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Multirae user training_310a

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The document provides an overview and instructions for using the MultiRAE personal multigas monitor. It describes the MultiRAE's features such as its sensors, rugged design, internal pump, and alarm signals. It also outlines the recommended startup procedure including turning the unit on, checking sensor readings, and reviewing the different display modes and their screens. Alarms and calibration are also summarized.

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MultiRAE Using the MultiRAE personal multigas monitor Firmware v 3.10 (rev A)
Training Agenda: MultiRAE features Turning on the MultiRAE Recommended Daily Start-up Procedure User displays Alarm modes Programming displays Calibration
MultiRAE Features: Sensors Oxygen: 0-30% Combustibles: 0-100% of LEL Toxic sensors: select two from CO, H2S, SO2, NO, NO2, Cl2, HCN, NH3, PH3 VOC monitor: 0-2000 PPM
MultiRAE Features: Reliability Extremely rugged for extensive field use Weather Proof Case Temperature range of -4oF to 113oF (-20oC to 45oC) 4-Way power: Li-Ion(NiCad), Alkaline or run continuously on 110 VAC and 12 VDC Runs 10-12 hours with pump RFI protection against radio interference Intrinsically safe: Class I, Division I, Groups A, B, C, D LEL Over-Range Protection
MultiRAE Features: Rugged Case Display Charging Port Buzzer Exhaust Wrist Strap Serial Port
MultiRAE Features: Simple Faceplate Alarm LEDs Three buttons on a sealed membrane faceplate: Light Sensor • Y/+ (horn): clears tests alarms • N/- (light): turns on manual backlight for 90 seconds • MODE (on)
MultiRAE Features: Rugged Boot Liquid Trap Rugged Rubber Boot Belt Clip
MultiRAE Features: Internal Pump Makes remote sampling easy Sample draw over 100 feet! Liquid water trap for added protection Pump stall feature: when moisture is detected or when pump is blocked the pump will shut off, protecting the MultiRAE from potential damage ~150cc/min at Low flow, ~250cc/min at High flow Only use Teflon tubing when PID is installed
MultiRAE Features: External Prefilter Always use the prefilter Replace when it looks very dirty Replace when MultiRAE is in pump alarm with the filter on and you can clear the pump alarm with the filter off. You wouldn’t leave your house without putting on your pants so don’t use the MultiRAE without its external filter!
MultiRAE Start-up: Turning On Unplug MultiRAE from charger Hold “MODE” Key to turn on Alarm will beep once Watch display screen for messages such as: • Sensors installed their warranty expiration • Alarm limits • Last calibration date • User/Alarm/Datalog modes Warm-up will take approximately 90 seconds
MultiRAE Start-up: Warnings TOX1 VOC TOX2 Incorrect Year LEL Check Clock!!! OXY If this screen appears during the start-up just acknowledge it with the “Y” key and follow the procedure for setting the clock. The battery has gone dead and the MultiRAE has detected a mismatch between the date code on the sensors and its internal clock.
MultiRAE Start-up: Warnings TOX1 VOC TOX2 O2 Installed LELWarranty Expired OXY This is a warning screen. As long as the sensor calibrates properly it is valid to continue using it. Acknowledge by pressing the “Y” key to continue warm-up. For maximum MultiRAE availability, RAE Systems recommends replacing sensors at the end of their warranty period
Multi Start-up: Check Sensor Zero TOX1 VOC TOX2 0 0 0 LEL 0-3 20.6-21.2 OXY After 90 sec. warm-up, the MultiRAE should display for all of the installed sensors If there is no alarm, and the sensor readings are in the range shown above, then the MultiRAE is ready for use.
Multi Start-up: Check Sensor Zero TOX1 VOC TOX2 0 0 0 LEL 0-3 20.6-21.2 OXY If any reading is outside these limits, wait a few minutes then check again. • If readings are in limits use the unit • If readings are still outside these limits perform “Fresh air calibration”
MultiRAE Start-up: Lamp Alarm TOX1 VOC TOX2 0 0.0 0 LEL 0 Lamp 20.9 OXY “Lamp” display along with audible alarm indicates that PID lamp has failed to light Press “Y/+” key to clear alarm, if it clears MultiRAE is ready for use If alarm does not clear, wait a few minutes and check again
MultiRAE Start-up: Lamp Alarm TOX1 VOC TOX2 0 0.0 0 LEL 0 Lamp 20.9 OXY If after a few minutes the “Lamp” message remains, turn off MultiRAE and restart If after restart “Lamp” message disappears, MultiRAE is ready for use If after restart “Lamp” message remains, the PID Lamp needs service
3 Display Modes Program Mode: 12 screens for most advanced users (default mode) Display Mode: 7 screens and has password to get into programming Text Mode: 3 screens and has password to get into programming
Comparison of Display Modes Program (12) Display (8) Text (3) Sensor ID Sensor ID Sensor ID w/OK PEAK PEAK Battery MIN MIN PC Comm STEL STEL TWA TWA Battery Print Reading* Time/Date/Temp Battery Start Datalog* PC Comm LEL Gas * Can be turned VOC Gas off w/ProRAE Print Reading* Suite PC Comm
MultiRAE: 12 Program Mode Review Instantaneous rreeaaddiinngg//SSeennssoorr NNaammee PPeeaakk MMiinniimmuumm SSTTEELL TTWWAA BBaatttteerryy VVoollttaaggee DDaattee//TTiimmee//RRuunn TTiimmee// TTeemmppeerraattuurree DDaattaalloogg MMooddee//SSttaarrtt DDaattaalloogg DDiissppllaayy GGaass CC..FF.. LLEELL DDiissppllaayy GGaass CC..FF.. VVOOCC PPrriinntt RReeaaddiinngg?? CCoommmm.. PPCC??
Instantaneous Reading (Main Display) TOX1 VOC TOX2 0 0.0 0 LEL 0 20.9 OXY MultiRAE will return to this screen in 60 seconds if left in any subsequent screen This screen alternates between the instantaneous reading and the sensor name approximately every 3 seconds
Instantaneous Reading (Main Display) TOX1 VOC TOX2 CO VOC H2S LEL LEL OXY OXY CO: Carbon Monoxide Sensor VOC: Photo Ionization Detector (PID) H2S: Hydrogen Sulfide Sensor LEL: Combustible gas sensor OXY: Oxygen sensor Tap “MODE” key to proceed
Peak Reading Display TOX1 VOC TOX2 34 584 11 LEL 6 PEAK 20.9 OXY Holds Highest reading since MultiRAE was turned on Tap “MODE” key to proceed to next screen
Minimum Reading Display TOX1 VOC TOX2 0 0.0 0 LEL 0 MIN 13.5 OXY Holds Lowest reading since MultiRAE was turned on Tap “MODE” key to proceed to next screen
STEL Display TOX1 VOC TOX2 0 0.0 0 LEL STEL OXY Short Term Exposure Limit (average for the past 15 minutes) Displays “***” until MultiRAE has been on for 15 minutes STEL only is calculated for VOC toxics STEL alarm beeps once a second Tap “MODE” key to proceed
TWA Display TOX1 VOC TOX2 0 0.0 0 LEL TWA OXY Time Weighted Average is the accumulated reading of gas concentration divided by 8 hours since the MultiRAE was turned on TWA only is calculated for VOC toxics TWA alarm beeps once per second Tap “MODE” key to proceed to next screen
Battery Voltage Display TOX1 VOC TOX2 Battery = 5.1V LEL Shut off at 4.1V OXY MultiRAE shuts down when battery voltage drops below 4.2 volts Normal Full Charge is over 4.8 volts Tap “MODE” key to proceed to next screen
Date/Time/Run Time/Temp. Display TOX1 VOC TOX2 Feb 15, 01 12:00 LEL ON=01:22 25oC OXY Date Time of day Accumulated time in hours and minutes since the MultiRAE was turned on Temperature in Centigrade (operating range from -20oC to 45oC) Tap “MODE” key to proceed
Datalog Mode Display TOX1 VOC TOX2 Start Datalog? LEL OXY Manual: logs if “Y/+” key is pushed now Automatic: this screen is deleted and it logs data when as soon as the MultiRAE on Scheduled: logs data at a preset time Will datalog 20,000 points (64 hrs of data) Entering programming pauses datalogging
Datalog Mode Display TOX1 VOC TOX2 0 0.0 0 LEL 0 L 20.9 OXY a small “L” is displayed in the left center of the MultiRAE screen indicates datalogging Will datalog 20,000 points (64 hrs, 5 channels, 1 min interval) User can choose one of 4 datalog modes (Manual, Automatic, Periodic Scheduled in ProRAE Suite)
LEL Units Display TOX1 VOC TOX2 LEL gas = LEL Methane OXY Target Gas for LEL displayed here (MultiRAE is currently measuring LEL in units of methane) Correction Factor can only be changed in programming mode Tap “MODE” key to proceed to next screen
VOC Units Display TOX1 VOC TOX2 VOC gas = LEL Isobutylene OXY Target Gas VOC is displayed here (MultiRAE is currently measuring VOC in units of isobutylene) Correction Factor can only be changed in programming mode Tap “MODE” key to proceed to next screen
Print Reading Display TOX1 VOC TOX2 Print Reading? LEL OXY If the optional external printer is attached pressing the “Y/+” key will print out the current reading. If the optional printer is not installed it will display “wait” for 20 seconds and then return to the “Print Reading?” screen. This screen can be disabled in ProRAE Suite
Communicate with PC Display TOX1 VOC TOX2 Communicate LEL with PC? OXY If “Y/+” key is pushed then MultiRAE will display “Monitor will Pause. OK?” If “Y/+” key is pushed again the MultiRAE will display “Ready...” until it receives a signal from the computer or the “MODE” key is pressed. Tap “MODE” key to proceed
Communicate with PC Display TOX1 VOC TOX2 Ready... LEL OXY When the MultiRAE is in this communication standby mode it stops monitoring gas concentrations and stops datalogging. Datalogging must be manually restarted when exiting unless automatic datalogging is in use.
MultiRAE Alarm Signals The MultiRAE will provide audible and visual alarms to alert users to unsafe states It is extremely important to note that during the following conditions the alarm signals are disabled: When entering the “Communicate with PC?” standby mode. When entering the “Calibrate Monitor”” menu When viewing data in the “View or Change Datalog?” menu Momentarily when printing data to the optional serial printer.
MultiRAE Alarms: High TOX1 VOC TOX2 0 High 0 LEL 0 20.9 OXY “High” display along with 3 beat/second audible/visible alarm and flashing display backlight indicates that VOC sensor (PID) has exceeded high alarm setpoint (100 ppm VOC default). Press “Y/+” key to clear if latching alarm
MultiRAE Alarms: Low TOX1 VOC TOX2 0 0 0 LEL 0 Low OXY “Low” display along with 2 beat/second audible/visual alarm and flashing display backlight indicates that Oxygen sensor has gone into low alarm (less than 19.5% Oxygen default) Press “Y/+” key to clear if latching alarm
MultiRAE Alarms: STEL TOX1 VOC TOX2 0 STEL 0 LEL 0 20.9 OXY “STEL” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has exceeded STEL alarm setpoint (25 ppm VOC default) This alarm will only clear after 15 minutes in clean air or the MultiRAE is turned off!
MultiRAE Alarms: TWA TOX1 VOC TOX2 0 TWA 0 LEL 0 20.9 OXY “TWA” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has exceeded the TWA alarm setpoint (10 ppm VOC default) This alarm will only clear after moving to clean air and then turning off the MultiRAE
Alarms: LEL OFF TOX1 VOC TOX2 0 0 0 LEL OFF 20.9 OXY “OFF” display along with a 3 beat/second audible/visual alarm indicates that LEL sensor has been exposed to too much gas and has shut off to protect the sensor. Move the meter to clean air and press the “Y” key to reset.
Alarms: NEG TOX1 VOC TOX2 0 NEG 0 LEL 0 20.9 OXY “NEG” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has drifted negative (below zero) because the sensor was zeroed in an area containing VOCs. Perform “Fresh Air Calibration” in an area clear of all VOCs.
MultiRAE Alarms: Pump TOX1 VOC TOX2 0 0.0 0 LEL 0 Pump 20.9 OXY “Pump” display along with 3 beep audible alarm indicates that pump has stopped due to line clog Pump alarm is a latching alarm Press “Y/+” key to clear alarm and restart pump
MultiRAE Alarms: Low Battery TOX1 VOC TOX2 0 0.0 0 LEL 0 Bat 20.9 OXY A flashing “Bat” display along with a 1 beep alarm every 10 seconds indicates that the battery voltage has dropped below 4.35 V and it will shut down in 20-30 minutes Quickly complete confined space entry and charge MultiRAE or install alkaline battery
MultiRAE Alarms: Memory Full TOX1 VOC TOX2 0 0.0 0 LEL 0 MEM 20.9 OXY A flashing “MEM” display along with a 1 beat/second audible/tactile/visual alarm indicates that the datalog memory is full. Clear datalog in “View or Change Datalog?” If you get this alarm you might want to consider changing “Select memory full type?” to “Wrap around.”
Getting Into Programming Hold “MODE” aanndd ““NN//--”” kkeeyyss ffoorr 55 sseecc.. ttoo ggeett iinn PPrrooggrraammmmiinngg MMooddee IIff MMuullttiiRRAAEE aasskkss aa qquueessttiioonn ““??”” AAnnsswweerr ““YY”” oorr ““NN”” TToo AAcccceepptt oorr EEssccaappee UUssee ““MMOODDEE”” KKeeyy rreeppeeaatteeddllyy ppuusshhiinngg tthhee ““MMOODDEE”” kkeeyy wwiillll aallwwaayyss eevveennttuuaallllyy rreettuurrnn uusseerr ttoo mmaaiinn ddiissppllaayy
Programming Menus CCaalliibbrraattee MMoonniittoorr?? CChhaannggee AAllaarrmm LLiimmiittss?? VViieeww oorr CChhaannggee DDaattaalloogg?? CChhaannggee MMoonniittoorr SSeettuupp?? CChhaannggee SSeennssoorr CCoonnffiigguurraattiioonn?? CChhoooossee ((YY)) ttoo aacccceepptt oorr ((NN)) ttoo mmoovvee oonn rreeff.. AAppppeennddiixx AA--22 iinn MMuullttiiRRAAEE MMaannuuaall
Calibrate Monitor? FFrreesshh AAiirr CCaalliibbrraattiioonn?? MMaakkee ssuurree aaiirr iiss cclleeaann!! MMuullttiippllee SSeennssoorr CCaalliibbrraattiioonn?? SSiinnggllee SSeennssoorr CCaalliibbrraattiioonn?? MMooddiiffyy SSppaann GGaass VVaalluuee?? CChhaannggee LLEELL//VVOOCC SSppaann GGaass?? CChhoooossee ((YY)) ttoo aacccceepptt oorr ((NN)) ttoo mmoovvee oonn, MMOODDEE ttoo eessccaappee
Multiple Sensor Calibration TOX1 VOC TOX2 CO - - - H2S LEL LEL OK? OXY OXY At ““MMuullttiippllee SSeennssoorr CCaalliibbrraattiioonn”” pprreessss ““YY//++”” kkeeyy FFoorr CCOO//HH22SS//LLEELL//OOxxyyggeenn ““qquuaadd”” ggaass ccaalliibbrraattiioonn tthhee nneexxtt ssccrreeeenn sshhoouulldd aappppeeaarr aass aabboovvee
Multiple Sensor Calibration TOX1 VOC TOX2 Apply Mixed Gas LEL OXY pprreessss ““YY//++”” kkeeyy ttoo ddiissppllaayy tthhiiss ssccrreeeenn AAttttaacchh ccaalliibbrraattiioonn ggaass rreegguullaattoorr ttoo mmiixxeedd ggaass ccyylliinnddeerr aanndd aattttaacchh ccaalliibbrraattiioonn hhoossee ttoo MMuullttiiRRAAEE TTuurrnn oonn ccaalliibbrraattiioonn ggaass FFoollllooww iinnssttrruuccttiioonnss oonn ssccrreeeenn
Multiple Sensor Calibration TOX1 VOC TOX2 No Gas Flow... LEL OXY If you get this screen check for gas flow, the MultiRAE will not perform span calibrations unless it senses calibration gas
Multiple Sensor Calibration TOX1 VOC TOX2 Apply gas or hit LEL any key to start OXY Try again after you have verified that the gas is correct and it is flowing properly FFoollllooww iinnssttrruuccttiioonnss oonn ssccrreeeenn DDiissccoonnnneecctt rreegguullaattoorr ffrroomm ggaass ccyylliinnddeerr wwhheenn ccoommpplleettee ccaalliibbrraattiioonn
Single Sensor Calibration TOX1 VOC TOX2 CO VOC H2S LEL LEL pick OXY OXY VVOOCC ccaann oonnllyy bbee ccaalliibbrraatteedd iinnddiivviidduuaallllyy,, ootthheerr sseennssoorrss ccaann bbee ccaalliibbrraatteedd iinnddiivviidduuaallllyy iiff nneecceessssaarryy AAtt ““SSiinnggllee SSeennssoorr CCaalliibbrraattiioonn”” pprreessss ““YY//++”” kkeeyy UUssee ““MMOODDEE”” kkeeyy ttoo sseelleecctt VVOOCC
Single Sensor Calibration Attach calibration gas regulator to VOC (Isobutylene) cylinder Attach calibration hose to MultiRAE and make sure it is tight With cursor on VOC press “Y/+” key Turn on calibration gas Follow instructions on screen Repeat if necessary for other gases Disconnect regulator
Modify Span Value Calibration Allows you to change the calibration gas values to use other cal gases Do not change if you are using the RAE Systems cal gas supplied with your meter Change LEL/VOC Span Gas? Allows you to change the calibration gas from methane (LEL) isobutylene (VOC) Do not change if you are using the RAE Systems cal gas supplied
Change Alarm Limits? Change High alarm limit? 3 Beeps per second (“High”) Change Low alarm limit? 2 Beeps per second (“Low”) Change STEL alarm limit? 1 Beep per second (“STEL”) Change TWA alarm limit? 1 Beep per second (“TWA”) Choose (Y) to accept or (N) to move on, MODE to escape
View or Change Datalog? Reset Peak and Minimum? Clear All Data? Change Datalog Period? Select Data Type? View Datalog? Enable/Disable Datalog? Select memory full type? Choose (Y) to accept or (N) to move on, MODE to escape
Select Memory Full Type? Wrap around (default): after the memory becomes full the newest data is written over the oldest data (First in First Out or FIFO). This is an excellent feature to provide “background” datalogging that is only used in case of an incident. Stop: datalogging will stop when the memory is full and the “MEM” alarm will sound.
Change Monitor Setup? Change Site ID? Change ID Mode? If enabled the MultiRAE will pause on start-up until correct ID is entered Change User ID? Change Alarm Mode? Change User Mode? “Program” is most advanced “Display” less screens password “Text” 3 screens with “OK” password
Change Monitor Setup? Choose (Y) to accept or (N) to move on MODE to escape Change Real Time Clock? Change Backlight Mode? Change Password? Change Pump Speed? Change Averaging Method? Change Display Language? (English, Spanish) Set Temperature Unit? (Co or Fo)
Change Sensor Configuration? Change LEL/VOC Gas Selection (C.F.)? Enable/Disable Sensor? Change Dilution Ratio? Change PID Lamp? Choose (Y) to accept or (N) to move on, MODE to escape
MultiRAE: Power Off Hold Mode Key for full 5 seconds Audible alarm will beep and display will read “Power-down in ...5 seconds” Leave MultiRAE on charger when not in use
MultiRAE: Smart Charging TOX1 VOC TOX2 Start Battery LEL deep discharge? OXY Plug 12 VDC charger into charge port Displayed for Nicads only not Li-Ion • Pushing “N/-” MultiRAE will charge • Don’t push anything and MultiRAE will switch to charge in 10 sec. • Full charge can take up to 8 hours
MultiRAE: Charging TOX1 VOC TOX2 LEL Are you sure? OXY Pushing “Y/+” will get this screen Pushing “Y/+” again will get “Discharging...” screen for NiCad batteries only
MultiRAE: Charging TOX1 VOC TOX2 Discharging..... LEL Battery=4.5V OXY Discharging time depends on amount of battery charge left, up to 8 hours MultiRAE turns on to drain battery will automatically start charging at end of discharge Discharge Nicads monthly
MultiRAE: Trickle Charging TOX1 VOC TOX2 Charging..... LEL Battery=5.8V OXY High charge once plugged in When fully charged it will switch to trickle charge to maintain the battery Turning off and on power to charger will reset charge to high and may burn-out battery if done repeatedly
MultiRAE: Alkaline Adapter Accepts 4 AA alkaline batteries Provides 12-14 hours of duration Make sure that cable runs in groove between batteries or else the pack will not fit
MultiRAE: Battery Replacement Fig 7.1, Page 7-1, MultiRAE Manual
MultiRAE: Sensors Fig. 7.2, page 7-5 of MultiRAE Manual
MultiRAE: Sensor Replacement Make sure that sensors/dummy sensors fill all places to prevent gas leakage Replace gas plate and tighten screws Replace battery Turn on MultiRAE After warm up period, block pump inlet • If pump does not stall, inspect pump hose connections and reconnect if necessary • If pump stalls, replace MultiRAE cover and calibrate monitor
MultiRAE: When to Clean PID Sensor PID works but creeps up to 10+ ppm even in clean air after “Fresh Air Calibration” Rapid movements of MultiRAE sends PID into alarm due to dirt movement in sensor PID responds to moisture Always check for clean inlet filters and tubing prior to cleaning PID
MultiRAE: PID Sensor Clean/Replace Open MultiRAE Unplug battery Remove 4 screws holding gas plate Carefully lay gas plate back into battery compartment without disconnecting hoses to pump Remove silver shielding cap from PID sensor Gently pull out PID sensor (white Teflon)
MultiRAE: PID Sensor Clean/Replace Dip entire PID sensor into lamp cleaning solution for at least 3 minutes (an ultrasonic cleaner is recommended, but a shot glass is the perfect sized container) Dry sensor thoroughly (warm air will speed up this process) overnight is best
MultiRAE: PID Lamp Clean/Replace To remove lamp from MultiRAE, grasp lamp by sides and pull out. Try not to touch the flat lamp surface. If lamp works, use a cotton swab to clean the flat lamp surface with cleaning solution Replace lamp, DO NOT TOUCH FLAT! Install battery and turn on MultiRAE • If after warm-up, lamp lights proceed with reassembly • If lamp does not light, replace lamp
MultiRAE: PID Lamp Clean/Replace Replace white Teflon PID sensor Replace silver PID shielding cap Make sure that all sensors (in TOX1 and TOX2 spots) are in place to prevent gas leakage Replace gas plate and tighten screws Replace battery Turn on MultiRAE
MultiRAE: PID Lamp Clean/Replace After warm up period, block pump inlet • If pump does not stall, inspect pump hose connections and reconnect if necessary • If pump stalls, replace MultiRAE cover and calibrate monitor, do not overtighten screws
MultiRAE: Gas Plate Cleaning If PID still creeps after cleaning PID sensor it is recommended to clean the gas plate Follow instructions to remove pump from gas plate Immerse gas plate in lamp cleaning solution without pump attached (a ultrasonic cleaner will speed cleaning) Dry gas plate with warm air Follow instructions for pump replacement
Using ProRAE Suite Configuration from Computer Datalogging
Questions?

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Multirae user training_310a

  • 1. MultiRAE Using the MultiRAE personal multigas monitor Firmware v 3.10 (rev A)
  • 2. Training Agenda: MultiRAE features Turning on the MultiRAE Recommended Daily Start-up Procedure User displays Alarm modes Programming displays Calibration
  • 3. MultiRAE Features: Sensors Oxygen: 0-30% Combustibles: 0-100% of LEL Toxic sensors: select two from CO, H2S, SO2, NO, NO2, Cl2, HCN, NH3, PH3 VOC monitor: 0-2000 PPM
  • 4. MultiRAE Features: Reliability Extremely rugged for extensive field use Weather Proof Case Temperature range of -4oF to 113oF (-20oC to 45oC) 4-Way power: Li-Ion(NiCad), Alkaline or run continuously on 110 VAC and 12 VDC Runs 10-12 hours with pump RFI protection against radio interference Intrinsically safe: Class I, Division I, Groups A, B, C, D LEL Over-Range Protection
  • 5. MultiRAE Features: Rugged Case Display Charging Port Buzzer Exhaust Wrist Strap Serial Port
  • 6. MultiRAE Features: Simple Faceplate Alarm LEDs Three buttons on a sealed membrane faceplate: Light Sensor • Y/+ (horn): clears tests alarms • N/- (light): turns on manual backlight for 90 seconds • MODE (on)
  • 7. MultiRAE Features: Rugged Boot Liquid Trap Rugged Rubber Boot Belt Clip
  • 8. MultiRAE Features: Internal Pump Makes remote sampling easy Sample draw over 100 feet! Liquid water trap for added protection Pump stall feature: when moisture is detected or when pump is blocked the pump will shut off, protecting the MultiRAE from potential damage ~150cc/min at Low flow, ~250cc/min at High flow Only use Teflon tubing when PID is installed
  • 9. MultiRAE Features: External Prefilter Always use the prefilter Replace when it looks very dirty Replace when MultiRAE is in pump alarm with the filter on and you can clear the pump alarm with the filter off. You wouldn’t leave your house without putting on your pants so don’t use the MultiRAE without its external filter!
  • 10. MultiRAE Start-up: Turning On Unplug MultiRAE from charger Hold “MODE” Key to turn on Alarm will beep once Watch display screen for messages such as: • Sensors installed their warranty expiration • Alarm limits • Last calibration date • User/Alarm/Datalog modes Warm-up will take approximately 90 seconds
  • 11. MultiRAE Start-up: Warnings TOX1 VOC TOX2 Incorrect Year LEL Check Clock!!! OXY If this screen appears during the start-up just acknowledge it with the “Y” key and follow the procedure for setting the clock. The battery has gone dead and the MultiRAE has detected a mismatch between the date code on the sensors and its internal clock.
  • 12. MultiRAE Start-up: Warnings TOX1 VOC TOX2 O2 Installed LELWarranty Expired OXY This is a warning screen. As long as the sensor calibrates properly it is valid to continue using it. Acknowledge by pressing the “Y” key to continue warm-up. For maximum MultiRAE availability, RAE Systems recommends replacing sensors at the end of their warranty period
  • 13. Multi Start-up: Check Sensor Zero TOX1 VOC TOX2 0 0 0 LEL 0-3 20.6-21.2 OXY After 90 sec. warm-up, the MultiRAE should display for all of the installed sensors If there is no alarm, and the sensor readings are in the range shown above, then the MultiRAE is ready for use.
  • 14. Multi Start-up: Check Sensor Zero TOX1 VOC TOX2 0 0 0 LEL 0-3 20.6-21.2 OXY If any reading is outside these limits, wait a few minutes then check again. • If readings are in limits use the unit • If readings are still outside these limits perform “Fresh air calibration”
  • 15. MultiRAE Start-up: Lamp Alarm TOX1 VOC TOX2 0 0.0 0 LEL 0 Lamp 20.9 OXY “Lamp” display along with audible alarm indicates that PID lamp has failed to light Press “Y/+” key to clear alarm, if it clears MultiRAE is ready for use If alarm does not clear, wait a few minutes and check again
  • 16. MultiRAE Start-up: Lamp Alarm TOX1 VOC TOX2 0 0.0 0 LEL 0 Lamp 20.9 OXY If after a few minutes the “Lamp” message remains, turn off MultiRAE and restart If after restart “Lamp” message disappears, MultiRAE is ready for use If after restart “Lamp” message remains, the PID Lamp needs service
  • 17. 3 Display Modes Program Mode: 12 screens for most advanced users (default mode) Display Mode: 7 screens and has password to get into programming Text Mode: 3 screens and has password to get into programming
  • 18. Comparison of Display Modes Program (12) Display (8) Text (3) Sensor ID Sensor ID Sensor ID w/OK PEAK PEAK Battery MIN MIN PC Comm STEL STEL TWA TWA Battery Print Reading* Time/Date/Temp Battery Start Datalog* PC Comm LEL Gas * Can be turned VOC Gas off w/ProRAE Print Reading* Suite PC Comm
  • 19. MultiRAE: 12 Program Mode Review Instantaneous rreeaaddiinngg//SSeennssoorr NNaammee PPeeaakk MMiinniimmuumm SSTTEELL TTWWAA BBaatttteerryy VVoollttaaggee DDaattee//TTiimmee//RRuunn TTiimmee// TTeemmppeerraattuurree DDaattaalloogg MMooddee//SSttaarrtt DDaattaalloogg DDiissppllaayy GGaass CC..FF.. LLEELL DDiissppllaayy GGaass CC..FF.. VVOOCC PPrriinntt RReeaaddiinngg?? CCoommmm.. PPCC??
  • 20. Instantaneous Reading (Main Display) TOX1 VOC TOX2 0 0.0 0 LEL 0 20.9 OXY MultiRAE will return to this screen in 60 seconds if left in any subsequent screen This screen alternates between the instantaneous reading and the sensor name approximately every 3 seconds
  • 21. Instantaneous Reading (Main Display) TOX1 VOC TOX2 CO VOC H2S LEL LEL OXY OXY CO: Carbon Monoxide Sensor VOC: Photo Ionization Detector (PID) H2S: Hydrogen Sulfide Sensor LEL: Combustible gas sensor OXY: Oxygen sensor Tap “MODE” key to proceed
  • 22. Peak Reading Display TOX1 VOC TOX2 34 584 11 LEL 6 PEAK 20.9 OXY Holds Highest reading since MultiRAE was turned on Tap “MODE” key to proceed to next screen
  • 23. Minimum Reading Display TOX1 VOC TOX2 0 0.0 0 LEL 0 MIN 13.5 OXY Holds Lowest reading since MultiRAE was turned on Tap “MODE” key to proceed to next screen
  • 24. STEL Display TOX1 VOC TOX2 0 0.0 0 LEL STEL OXY Short Term Exposure Limit (average for the past 15 minutes) Displays “***” until MultiRAE has been on for 15 minutes STEL only is calculated for VOC toxics STEL alarm beeps once a second Tap “MODE” key to proceed
  • 25. TWA Display TOX1 VOC TOX2 0 0.0 0 LEL TWA OXY Time Weighted Average is the accumulated reading of gas concentration divided by 8 hours since the MultiRAE was turned on TWA only is calculated for VOC toxics TWA alarm beeps once per second Tap “MODE” key to proceed to next screen
  • 26. Battery Voltage Display TOX1 VOC TOX2 Battery = 5.1V LEL Shut off at 4.1V OXY MultiRAE shuts down when battery voltage drops below 4.2 volts Normal Full Charge is over 4.8 volts Tap “MODE” key to proceed to next screen
  • 27. Date/Time/Run Time/Temp. Display TOX1 VOC TOX2 Feb 15, 01 12:00 LEL ON=01:22 25oC OXY Date Time of day Accumulated time in hours and minutes since the MultiRAE was turned on Temperature in Centigrade (operating range from -20oC to 45oC) Tap “MODE” key to proceed
  • 28. Datalog Mode Display TOX1 VOC TOX2 Start Datalog? LEL OXY Manual: logs if “Y/+” key is pushed now Automatic: this screen is deleted and it logs data when as soon as the MultiRAE on Scheduled: logs data at a preset time Will datalog 20,000 points (64 hrs of data) Entering programming pauses datalogging
  • 29. Datalog Mode Display TOX1 VOC TOX2 0 0.0 0 LEL 0 L 20.9 OXY a small “L” is displayed in the left center of the MultiRAE screen indicates datalogging Will datalog 20,000 points (64 hrs, 5 channels, 1 min interval) User can choose one of 4 datalog modes (Manual, Automatic, Periodic Scheduled in ProRAE Suite)
  • 30. LEL Units Display TOX1 VOC TOX2 LEL gas = LEL Methane OXY Target Gas for LEL displayed here (MultiRAE is currently measuring LEL in units of methane) Correction Factor can only be changed in programming mode Tap “MODE” key to proceed to next screen
  • 31. VOC Units Display TOX1 VOC TOX2 VOC gas = LEL Isobutylene OXY Target Gas VOC is displayed here (MultiRAE is currently measuring VOC in units of isobutylene) Correction Factor can only be changed in programming mode Tap “MODE” key to proceed to next screen
  • 32. Print Reading Display TOX1 VOC TOX2 Print Reading? LEL OXY If the optional external printer is attached pressing the “Y/+” key will print out the current reading. If the optional printer is not installed it will display “wait” for 20 seconds and then return to the “Print Reading?” screen. This screen can be disabled in ProRAE Suite
  • 33. Communicate with PC Display TOX1 VOC TOX2 Communicate LEL with PC? OXY If “Y/+” key is pushed then MultiRAE will display “Monitor will Pause. OK?” If “Y/+” key is pushed again the MultiRAE will display “Ready...” until it receives a signal from the computer or the “MODE” key is pressed. Tap “MODE” key to proceed
  • 34. Communicate with PC Display TOX1 VOC TOX2 Ready... LEL OXY When the MultiRAE is in this communication standby mode it stops monitoring gas concentrations and stops datalogging. Datalogging must be manually restarted when exiting unless automatic datalogging is in use.
  • 35. MultiRAE Alarm Signals The MultiRAE will provide audible and visual alarms to alert users to unsafe states It is extremely important to note that during the following conditions the alarm signals are disabled: When entering the “Communicate with PC?” standby mode. When entering the “Calibrate Monitor”” menu When viewing data in the “View or Change Datalog?” menu Momentarily when printing data to the optional serial printer.
  • 36. MultiRAE Alarms: High TOX1 VOC TOX2 0 High 0 LEL 0 20.9 OXY “High” display along with 3 beat/second audible/visible alarm and flashing display backlight indicates that VOC sensor (PID) has exceeded high alarm setpoint (100 ppm VOC default). Press “Y/+” key to clear if latching alarm
  • 37. MultiRAE Alarms: Low TOX1 VOC TOX2 0 0 0 LEL 0 Low OXY “Low” display along with 2 beat/second audible/visual alarm and flashing display backlight indicates that Oxygen sensor has gone into low alarm (less than 19.5% Oxygen default) Press “Y/+” key to clear if latching alarm
  • 38. MultiRAE Alarms: STEL TOX1 VOC TOX2 0 STEL 0 LEL 0 20.9 OXY “STEL” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has exceeded STEL alarm setpoint (25 ppm VOC default) This alarm will only clear after 15 minutes in clean air or the MultiRAE is turned off!
  • 39. MultiRAE Alarms: TWA TOX1 VOC TOX2 0 TWA 0 LEL 0 20.9 OXY “TWA” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has exceeded the TWA alarm setpoint (10 ppm VOC default) This alarm will only clear after moving to clean air and then turning off the MultiRAE
  • 40. Alarms: LEL OFF TOX1 VOC TOX2 0 0 0 LEL OFF 20.9 OXY “OFF” display along with a 3 beat/second audible/visual alarm indicates that LEL sensor has been exposed to too much gas and has shut off to protect the sensor. Move the meter to clean air and press the “Y” key to reset.
  • 41. Alarms: NEG TOX1 VOC TOX2 0 NEG 0 LEL 0 20.9 OXY “NEG” display along with a 1 beat/second audible/visual alarm indicates indicates that VOC sensor has drifted negative (below zero) because the sensor was zeroed in an area containing VOCs. Perform “Fresh Air Calibration” in an area clear of all VOCs.
  • 42. MultiRAE Alarms: Pump TOX1 VOC TOX2 0 0.0 0 LEL 0 Pump 20.9 OXY “Pump” display along with 3 beep audible alarm indicates that pump has stopped due to line clog Pump alarm is a latching alarm Press “Y/+” key to clear alarm and restart pump
  • 43. MultiRAE Alarms: Low Battery TOX1 VOC TOX2 0 0.0 0 LEL 0 Bat 20.9 OXY A flashing “Bat” display along with a 1 beep alarm every 10 seconds indicates that the battery voltage has dropped below 4.35 V and it will shut down in 20-30 minutes Quickly complete confined space entry and charge MultiRAE or install alkaline battery
  • 44. MultiRAE Alarms: Memory Full TOX1 VOC TOX2 0 0.0 0 LEL 0 MEM 20.9 OXY A flashing “MEM” display along with a 1 beat/second audible/tactile/visual alarm indicates that the datalog memory is full. Clear datalog in “View or Change Datalog?” If you get this alarm you might want to consider changing “Select memory full type?” to “Wrap around.”
  • 45. Getting Into Programming Hold “MODE” aanndd ““NN//--”” kkeeyyss ffoorr 55 sseecc.. ttoo ggeett iinn PPrrooggrraammmmiinngg MMooddee IIff MMuullttiiRRAAEE aasskkss aa qquueessttiioonn ““??”” AAnnsswweerr ““YY”” oorr ““NN”” TToo AAcccceepptt oorr EEssccaappee UUssee ““MMOODDEE”” KKeeyy rreeppeeaatteeddllyy ppuusshhiinngg tthhee ““MMOODDEE”” kkeeyy wwiillll aallwwaayyss eevveennttuuaallllyy rreettuurrnn uusseerr ttoo mmaaiinn ddiissppllaayy
  • 46. Programming Menus CCaalliibbrraattee MMoonniittoorr?? CChhaannggee AAllaarrmm LLiimmiittss?? VViieeww oorr CChhaannggee DDaattaalloogg?? CChhaannggee MMoonniittoorr SSeettuupp?? CChhaannggee SSeennssoorr CCoonnffiigguurraattiioonn?? CChhoooossee ((YY)) ttoo aacccceepptt oorr ((NN)) ttoo mmoovvee oonn rreeff.. AAppppeennddiixx AA--22 iinn MMuullttiiRRAAEE MMaannuuaall
  • 47. Calibrate Monitor? FFrreesshh AAiirr CCaalliibbrraattiioonn?? MMaakkee ssuurree aaiirr iiss cclleeaann!! MMuullttiippllee SSeennssoorr CCaalliibbrraattiioonn?? SSiinnggllee SSeennssoorr CCaalliibbrraattiioonn?? MMooddiiffyy SSppaann GGaass VVaalluuee?? CChhaannggee LLEELL//VVOOCC SSppaann GGaass?? CChhoooossee ((YY)) ttoo aacccceepptt oorr ((NN)) ttoo mmoovvee oonn, MMOODDEE ttoo eessccaappee
  • 48. Multiple Sensor Calibration TOX1 VOC TOX2 CO - - - H2S LEL LEL OK? OXY OXY At ““MMuullttiippllee SSeennssoorr CCaalliibbrraattiioonn”” pprreessss ““YY//++”” kkeeyy FFoorr CCOO//HH22SS//LLEELL//OOxxyyggeenn ““qquuaadd”” ggaass ccaalliibbrraattiioonn tthhee nneexxtt ssccrreeeenn sshhoouulldd aappppeeaarr aass aabboovvee
  • 49. Multiple Sensor Calibration TOX1 VOC TOX2 Apply Mixed Gas LEL OXY pprreessss ““YY//++”” kkeeyy ttoo ddiissppllaayy tthhiiss ssccrreeeenn AAttttaacchh ccaalliibbrraattiioonn ggaass rreegguullaattoorr ttoo mmiixxeedd ggaass ccyylliinnddeerr aanndd aattttaacchh ccaalliibbrraattiioonn hhoossee ttoo MMuullttiiRRAAEE TTuurrnn oonn ccaalliibbrraattiioonn ggaass FFoollllooww iinnssttrruuccttiioonnss oonn ssccrreeeenn
  • 50. Multiple Sensor Calibration TOX1 VOC TOX2 No Gas Flow... LEL OXY If you get this screen check for gas flow, the MultiRAE will not perform span calibrations unless it senses calibration gas
  • 51. Multiple Sensor Calibration TOX1 VOC TOX2 Apply gas or hit LEL any key to start OXY Try again after you have verified that the gas is correct and it is flowing properly FFoollllooww iinnssttrruuccttiioonnss oonn ssccrreeeenn DDiissccoonnnneecctt rreegguullaattoorr ffrroomm ggaass ccyylliinnddeerr wwhheenn ccoommpplleettee ccaalliibbrraattiioonn
  • 52. Single Sensor Calibration TOX1 VOC TOX2 CO VOC H2S LEL LEL pick OXY OXY VVOOCC ccaann oonnllyy bbee ccaalliibbrraatteedd iinnddiivviidduuaallllyy,, ootthheerr sseennssoorrss ccaann bbee ccaalliibbrraatteedd iinnddiivviidduuaallllyy iiff nneecceessssaarryy AAtt ““SSiinnggllee SSeennssoorr CCaalliibbrraattiioonn”” pprreessss ““YY//++”” kkeeyy UUssee ““MMOODDEE”” kkeeyy ttoo sseelleecctt VVOOCC
  • 53. Single Sensor Calibration Attach calibration gas regulator to VOC (Isobutylene) cylinder Attach calibration hose to MultiRAE and make sure it is tight With cursor on VOC press “Y/+” key Turn on calibration gas Follow instructions on screen Repeat if necessary for other gases Disconnect regulator
  • 54. Modify Span Value Calibration Allows you to change the calibration gas values to use other cal gases Do not change if you are using the RAE Systems cal gas supplied with your meter Change LEL/VOC Span Gas? Allows you to change the calibration gas from methane (LEL) isobutylene (VOC) Do not change if you are using the RAE Systems cal gas supplied
  • 55. Change Alarm Limits? Change High alarm limit? 3 Beeps per second (“High”) Change Low alarm limit? 2 Beeps per second (“Low”) Change STEL alarm limit? 1 Beep per second (“STEL”) Change TWA alarm limit? 1 Beep per second (“TWA”) Choose (Y) to accept or (N) to move on, MODE to escape
  • 56. View or Change Datalog? Reset Peak and Minimum? Clear All Data? Change Datalog Period? Select Data Type? View Datalog? Enable/Disable Datalog? Select memory full type? Choose (Y) to accept or (N) to move on, MODE to escape
  • 57. Select Memory Full Type? Wrap around (default): after the memory becomes full the newest data is written over the oldest data (First in First Out or FIFO). This is an excellent feature to provide “background” datalogging that is only used in case of an incident. Stop: datalogging will stop when the memory is full and the “MEM” alarm will sound.
  • 58. Change Monitor Setup? Change Site ID? Change ID Mode? If enabled the MultiRAE will pause on start-up until correct ID is entered Change User ID? Change Alarm Mode? Change User Mode? “Program” is most advanced “Display” less screens password “Text” 3 screens with “OK” password
  • 59. Change Monitor Setup? Choose (Y) to accept or (N) to move on MODE to escape Change Real Time Clock? Change Backlight Mode? Change Password? Change Pump Speed? Change Averaging Method? Change Display Language? (English, Spanish) Set Temperature Unit? (Co or Fo)
  • 60. Change Sensor Configuration? Change LEL/VOC Gas Selection (C.F.)? Enable/Disable Sensor? Change Dilution Ratio? Change PID Lamp? Choose (Y) to accept or (N) to move on, MODE to escape
  • 61. MultiRAE: Power Off Hold Mode Key for full 5 seconds Audible alarm will beep and display will read “Power-down in ...5 seconds” Leave MultiRAE on charger when not in use
  • 62. MultiRAE: Smart Charging TOX1 VOC TOX2 Start Battery LEL deep discharge? OXY Plug 12 VDC charger into charge port Displayed for Nicads only not Li-Ion • Pushing “N/-” MultiRAE will charge • Don’t push anything and MultiRAE will switch to charge in 10 sec. • Full charge can take up to 8 hours
  • 63. MultiRAE: Charging TOX1 VOC TOX2 LEL Are you sure? OXY Pushing “Y/+” will get this screen Pushing “Y/+” again will get “Discharging...” screen for NiCad batteries only
  • 64. MultiRAE: Charging TOX1 VOC TOX2 Discharging..... LEL Battery=4.5V OXY Discharging time depends on amount of battery charge left, up to 8 hours MultiRAE turns on to drain battery will automatically start charging at end of discharge Discharge Nicads monthly
  • 65. MultiRAE: Trickle Charging TOX1 VOC TOX2 Charging..... LEL Battery=5.8V OXY High charge once plugged in When fully charged it will switch to trickle charge to maintain the battery Turning off and on power to charger will reset charge to high and may burn-out battery if done repeatedly
  • 66. MultiRAE: Alkaline Adapter Accepts 4 AA alkaline batteries Provides 12-14 hours of duration Make sure that cable runs in groove between batteries or else the pack will not fit
  • 67. MultiRAE: Battery Replacement Fig 7.1, Page 7-1, MultiRAE Manual
  • 68. MultiRAE: Sensors Fig. 7.2, page 7-5 of MultiRAE Manual
  • 69. MultiRAE: Sensor Replacement Make sure that sensors/dummy sensors fill all places to prevent gas leakage Replace gas plate and tighten screws Replace battery Turn on MultiRAE After warm up period, block pump inlet • If pump does not stall, inspect pump hose connections and reconnect if necessary • If pump stalls, replace MultiRAE cover and calibrate monitor
  • 70. MultiRAE: When to Clean PID Sensor PID works but creeps up to 10+ ppm even in clean air after “Fresh Air Calibration” Rapid movements of MultiRAE sends PID into alarm due to dirt movement in sensor PID responds to moisture Always check for clean inlet filters and tubing prior to cleaning PID
  • 71. MultiRAE: PID Sensor Clean/Replace Open MultiRAE Unplug battery Remove 4 screws holding gas plate Carefully lay gas plate back into battery compartment without disconnecting hoses to pump Remove silver shielding cap from PID sensor Gently pull out PID sensor (white Teflon)
  • 72. MultiRAE: PID Sensor Clean/Replace Dip entire PID sensor into lamp cleaning solution for at least 3 minutes (an ultrasonic cleaner is recommended, but a shot glass is the perfect sized container) Dry sensor thoroughly (warm air will speed up this process) overnight is best
  • 73. MultiRAE: PID Lamp Clean/Replace To remove lamp from MultiRAE, grasp lamp by sides and pull out. Try not to touch the flat lamp surface. If lamp works, use a cotton swab to clean the flat lamp surface with cleaning solution Replace lamp, DO NOT TOUCH FLAT! Install battery and turn on MultiRAE • If after warm-up, lamp lights proceed with reassembly • If lamp does not light, replace lamp
  • 74. MultiRAE: PID Lamp Clean/Replace Replace white Teflon PID sensor Replace silver PID shielding cap Make sure that all sensors (in TOX1 and TOX2 spots) are in place to prevent gas leakage Replace gas plate and tighten screws Replace battery Turn on MultiRAE
  • 75. MultiRAE: PID Lamp Clean/Replace After warm up period, block pump inlet • If pump does not stall, inspect pump hose connections and reconnect if necessary • If pump stalls, replace MultiRAE cover and calibrate monitor, do not overtighten screws
  • 76. MultiRAE: Gas Plate Cleaning If PID still creeps after cleaning PID sensor it is recommended to clean the gas plate Follow instructions to remove pump from gas plate Immerse gas plate in lamp cleaning solution without pump attached (a ultrasonic cleaner will speed cleaning) Dry gas plate with warm air Follow instructions for pump replacement
  • 77. Using ProRAE Suite Configuration from Computer Datalogging