Environmental sensors
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This document provides specifications for various environmental sensors that are compatible with NTI's ENVIROMUX systems for monitoring temperature, humidity, and other environmental conditions remotely. It describes sensors for measuring temperature alone or in combination with humidity in various applications and ranges. It also includes precision sensors for industrial use as well as transmitters for converting sensor outputs to signals compatible with ENVIROMUX systems.
Environmental sensors
- 1. © 2013, 2015 NTI. All rights reserved. R NETWORK TECHNOLOGIES INCORPORATED 3 3 0 . 5 6 2 . 7 0 7 0 International calls 1.800.RGB.TECH (800.742.8324) To l l F r e e : U S & C a n a d a 330.562.1999 Worldwide fax sales@ntigo.com www.networktechinc.com1 „„ Supports CAT5/5e/6/6a cable (24 AWG) up to 1,000 ft (305 m) (not included). •• Digital inputs support 22-AWG sensor cables to 1,000 ft (305 m). •• Cables not included. Environmental Sensors Sensors & Accessories Compatible with ENVIROMUX-2D/5D/16D ENVIROMUX® Temperature & Humidity Sensors ENVIROMUX-STS ENVIROMUX-SHS ENVIROMUX-STHS ENVIROMUX-STHS-99 „„ Temperature Sensor (ENVIROMUX-STS) •• Applications from 32° to 122°F (0° to 50°C). •• Accurate to within ±0.9°F (±0.5°C). „„ Humidity Sensor (ENVIROMUX-SHS) •• 20% to 80% relative humidity, ±5% ŠŠ For applications from 32° to 104°F (0° to 40°C) „„ Temperature/Humidity Sensor (ENVIROMUX-STHS) •• Applications from 32° to 122°F (0° to 50°C) and 20% to 80% relative humidity. •• Accurate to within ±0.9°F (±0.5°C) and ±5% relative humidity. „„ Temperature/Wide Range Humidity Sensor (ENVIROMUX-STHS-99) •• Applications from 32° to 176°F (0° to 80°C) •• Accurate to within ±2°F (±1°C) ŠŠ 20% to 80% relative humidity, ±3% ŠŠ 10% to 90% relative humidity, ±4% ŠŠ 0% to 99% relative humidity, ±5% •• Supports dew point measurement Temperature, Humidity & Combination Sensor Low-Cost Industrial Precision Temperature/Humidity Sensor ENVIROMUX-STHS-PRCIND-x „„ Applications from -40 to 185°F (-40 to 85°C) and 10 to 80% relative humidity. „„ Accurate to within ±0.4°F (±0.2°C) and ±1.8% relative humidity. „„ Available lengths for attached CAT5e cable: 10/25/50/100 feet. Precision Humidity & Temperature/Humidity Sensor ENVIROMUX-SHS-PLT ENVIROMUX-STHS-PLT-x „„ NIST traceable calibration accurate to within ±1% from 10 to 80% relative humidity at 77 to 95°F (25 to 35°C). „„ Available temperature ranges: •• ENVIROMUX-STHS-PLT-120: 20 to 120°F (-6 to 48°C). •• ENVIROMUX-STHS-PLT-140: -20 to 140°F (-28 to 60°C). •• ENVIROMUX-STHS-PLT-180: 30 to 180°F (-1 to 82°C). „„ Accuracy: •• ENVIROMUX-STHS-PLT-120: ±1.5°F (±0.9°C) •• ENVIROMUX-STHS-PLT-140: ±2.4°F (±1.4°C) •• ENVIROMUX-STHS-PLT-180: ±2.3°F (±1.3°C) „„ Sensing element: 1000 W platinum; 2 lead resistance thermometer, .00385 TCR. „„ Two-point field calibration. „„ Output: 4-20 mA DC = 0 to 100% RH. „„ Requires the ENVIROMUX-S420MA-24V to operate. ENVIROMUX-STHS-D Temperature/Humidity Sensor, DIN Mounted „„ Applications from 32 to 122°F (0 to 50°C) and 20 to 80% relative humidity. „„ Accurate to within ±0.9°F (±0.5°C) and ±5% relative humidity. „„ DIN mountable „„ Supports CAT5/5e/6/6a cable (24 AWG) up to 1,000 ft (305 m) (not included). ENVIROMUX-STHSD Temperature/Humidity Sensor with Two Digital Inputs „„ Applications from 32 to 122°F (0 to 50°C) and 20 to 80% relative humidity. „„ Accurate to within ±0.9°F (±0.5°C) and ±5% relative humidity. „„ Digital inputs support up to two dry contact sensors. •• DC power has to be provided separately. Probe-Style Temperature & Combination Sensor ENVIROMUX-STSM-E7 ENVIROMUX-STHSM-E7 „„ Temperature Sensor (ENVIROMUX-STSM-E7) •• Applications from -4 to 185°F (-20 to 85°C). •• Temperature accuracy: ŠŠ ±1.26°F (±0.70°C) for -4 to 41°F (-20 to 5°C). ŠŠ ±0.72°F (±0.40°C) for 41 to 140°F (5 to 60°C). „„ Temperature/Humidity Sensor (ENVIROMUX-STHSM-E7) •• Applications from -4 to 185°F (-20 to 85°C) and 0 to 90% relative humidity. •• Temperature accuracy: ŠŠ ±0.90°F (±0.50°C) for -4 to 14°F (-20 to -10°C). ŠŠ ±0.72°F (±0.40°C) for 14 to 185°F (-10 to 85°C). •• Humidity accuracy: ŠŠ 0 to 80% relative humidity, ±3% ŠŠ 80 to 90% relative humidity, ±4% „„ Length: 7 feet. „„ Includes an RJ45 coupler to extend the sensor up to 1000 feet (305 m) using CATx cable (minimum 24AWG).
- 2. © 2013, 2015 NTI. All rights reserved. R NETWORK TECHNOLOGIES INCORPORATED 2 3 3 0 . 5 6 2 . 7 0 7 0 International calls 1.800.RGB.TECH (800.742.8324) To l l F r e e : U S & C a n a d a 330.562.1999 Worldwide fax sales@ntigo.com www.networktechinc.com Industrial Temperature/Humidity Sensor, 32 to 176°F (0 to 80°C) „„ Supports CAT5/5e/6 cable up to 1,000 ft (305 m) (not included). •• Compatible with NTI’s Industrial CAT5e Shielded Super Flat Cables, CAT5E-SF-xx-SHLD-IND ŠŠ Available lengths: 3/5/7/10/25/50 feet. „„ Applications from 32 to 176°F (0 to 80°C) and 20 to 80% relative humidity. „„ Accurate to within ± 0.5°C(±0.9°F) and ±5% relative humidity at 0 to 176°F (0 to 80°C). ENVIROMUX-STHS-080IND Environmental Sensors Sensors & Accessories Compatible with ENVIROMUX-2D/5D/16D ENVIROMUX® Wall and Duct Mount Temperature/Humidity Sensors ENVIROMUX-STHS-WLM ENVIROMUX-STHS-DCT „„ Wall Mount ENVIROMUX-STHS-WLM: Applications from 23 to 131°F (-5 to 55°C) „„ Duct Mount ENVIROMUX-STHS-DCT: Applications from 14 to 140°F (-10 to 60°C) „„ Temperature accurate to within ±0.54°F (±0.3°C) „„ Relative Humidity accurate to better than ±3% from 10 to 90% relative humidity at 68°F (20°C). „„ Requires the ENVIROMUX-S420MA-24V to operate. Pipe Temperature Sensor ENVIROMUX-STSP-7 „„ Mount to the outside of a thin walled steel, copper, or aluminum pipe (up to 1/4" wall). „„ Copper contact transmits surface temperature to thermal sensor. „„ Weatherproof enclosure designed to IP65 specifications. „„ Applications from -40° to 185°F (-40° to 85°C). „„ Accurate to within ±1.0°F (±0.5°C). „„ Response time: <1 minute for temperature changes of ±2°F. „„ Length: 7 feet. „„ Includes an RJ45 coupler to extend the sensor up to 1,000 feet using CATx cable (minimum 24AWG). ENVIROMUX-STS-PRC ENVIROMUX-STHS-PRC „„ Temperature/Humidity Sensor (ENVIROMUX-STHS-PRC) •• Applications from 14 to 140°F ( -10 to 60°C) and 10 to 80% relative humidity. •• Accurate to within ±0.2°F (±0.1°C) and ±1.8% relative humidity. •• Supports dew point measurement Low-Cost Precision Temperature & Combination Sensor „„ Temperature Sensor (ENVIROMUX-STS-PRC) •• Applications from 14 to 140°F ( -10 to 60°C). •• Accurate to within ±0.2°F (±0.1°C). Strap-On Pipe Temperature Sensor, Spring-Loaded ENVIROMUX-STSP-SL-7 „„ Mount to the outside of an insulated metal pipe (up to 1/4” wall). „„ Copper contact transmits surface temperature to thermal sensor. •• Spring-loaded contact enables minimal removal of pipe insulation. „„ NEMA 1 and IP20 rated metal enclosure „„ Applications from -40 to 185°F (-40 to 85°C). „„ Accurate to within ±1.0°F (±0.5°C). „„ Response time: <1 minute for temperature changes of ±2°F. „„ Length: 7 feet. „„ Includes an RJ45 coupler to extend the sensor up to 1,000 feet using CATx cable (minimum 24AWG). Temperature & Humidity Sensors Industrial Temperature/Humidity Sensor -40 to 185°F (-40 to 85°C) ENVIROMUX-STHS-N4085IND-x „„ Applications from -40 to 185°F (-40 to 85°C) and 20 to 80% relative humidity. „„ Accurate to within ± 0.5°C (±0.9°F) and ±5% relative humidity at -4 to 185°F (-20 to 85°C). „„ Available lengths for attached CAT5e cable: 10/25/50/100 feet.
- 3. © 2013, 2015 NTI. All rights reserved. R NETWORK TECHNOLOGIES INCORPORATED 3 3 0 . 5 6 2 . 7 0 7 0 International calls 1.800.RGB.TECH (800.742.8324) To l l F r e e : U S & C a n a d a 330.562.1999 Worldwide fax sales@ntigo.com www.networktechinc.com3 Rugged Encapsulated 100 Ohm RTD Sensor, -30°F to 230°F ENVIROMUX-RTDS-ER230 „„ 0.18” round, 0.50” long housing. „„ Applications from -30°F to 230°F (-34°C to 110°C). „„ Accurate to within ±0.6°F (±0.33°C). „„ 100 Ohm Pt 385 curve. „„ 8 feet, 24 AWG 2-wire leads „„ Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX- S420MA-24V to operate with the ENVIROMUX-2D/5D/16D. All-Purpose 100 Ohm RTD Sensor, -58 to 392°F ENVIROMUX-RTDS-A392 „„ 6 ft (1.83 m) 3-wire lead with 13” (330 mm) lead wires and 1/3” (8 mm) stripped ends. •• One white, two red. „„ Requires the ENVIROMUX-RTDT-1562 to operate with the ENVIROMUX-2D/5D/16D. „„ Rugged, point-sensitive waterproof sensor with 0.25” (6.35 mm) round and 6” (152 mm) long stainless steel probe. „„ Applications from -58 to 392°F (-50 to 200°C). „„ Accurate to within ±1°F (±0.55°C). „„ 100 Ohm Pt 385 curve. „„ Includes 15 ft (4.6 m) extension wire. Environmental Sensors Sensors & Accessories Compatible with ENVIROMUX-2D/5D/16D ENVIROMUX® 100 Ohm Platinum RTD Transmitter ENVIROMUX-RTDT-140 ENVIROMUX-RTDT-240 „„ Available temperature ranges: •• ENVIROMUX-RTDT-140: -20 to 140°F (-28 to 60°C). •• ENVIROMUX-RTDT-240: 30 to 240°F (-1 to 115°C). „„ Accurate to within ±0.8°F (±0.45°C). „„ Configuration: 2-wire connection „„ Sensor Element: 100Ω platinum „„ Signal Output: 4-20 mA, loop-powered „„ Requires the ENVIROMUX-S420MA and an RTD sensor probe to operate with the ENVIROMUX-2D/5D/16D. High-Accuracy Platinum RTD Transmitter, -328° to 1562°F ENVIROMUX-RTDT-1562 „„ Temperature range: -328 to 1562°F (-200 to 850°C) „„ Accurate to within ±0.2°F (±0.1°C) „„ Configuration: 2, 3, or 4-wire connection „„ Signal Output: RS485 „„ Requires an RTD sensor probe to operate with the ENVIROMUX-2D/5D/16D. Encapsulated 100 Ohm RTD Sensor, 35°F to 140°F ENVIROMUX-RTDS-E140 „„ 0.17” round, 0.50” long housing. „„ Applications from 35°F to 140°F (2°C to 60°C). „„ Accurate to within ±0.6°F (±0.33°C). „„ 100 Ohm Pt 385 curve. „„ 8 feet, 24 AWG 2-wire leads „„ Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX- S420MA-24V to operate with the ENVIROMUX-2D/5D/16D. Duct 100 Ohm RTD Sensor, -67°F to 240°F ENVIROMUX-RTDS-D240 „„ Rugged, waterproof sensor with 9” (229 mm) 304 stainless steel probe with 4” (102 mm) electrical strap and a nylon fitting. •• Nylon fitting with 1/2” NPT female thread. „„ Applications from -67 to 240°F (-55 to 115°C). „„ Accurate to within ±0.27°F (±0.15°C). „„ 100 Ohm Pt 385 curve. „„ Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX- S420MA-24V to operate with the ENVIROMUX-2D/5D/16D. All-Purpose 100 Ohm RTD Sensor, -67°F to 221°F ENVIROMUX-RTDS-A221 „„ Rugged, point-sensitive waterproof sensor with 9” (229 mm) 304 stainless steel probe and brass fitting. •• Brass fitting with 1/2” NPT male thread. „„ Applications from -67 to 221°F (-55 to 105°C). „„ Accurate to within ±0.27°F (±0.15°C). „„ 100 Ohm Pt 385 curve. „„ Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX- S420MA-24V to operate with the ENVIROMUX-2D/5D/16D. Mini Probe 100 Ohm RTD Sensor, -67°F to 240°F ENVIROMUX-RTDS-MP240 „„ 0.19” (4.8 mm) round x 0.50” (13 mm) long stainless steel housing. „„ Applications from -67 to 240°F (-55 to 115°C). „„ Accurate to within ±0.27°F (±0.15°C). „„ 100 Ohm Pt 385 curve. „„ Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX- S420MA-24V to operate with the ENVIROMUX-2D/5D/16D. RTD Temperature Transmitters & Sensors
- 4. © 2013, 2015 NTI. All rights reserved. R NETWORK TECHNOLOGIES INCORPORATED 4 3 3 0 . 5 6 2 . 7 0 7 0 International calls 1.800.RGB.TECH (800.742.8324) To l l F r e e : U S & C a n a d a 330.562.1999 Worldwide fax sales@ntigo.com www.networktechinc.com Environmental Sensors Sensors & Accessories Compatible with ENVIROMUX-2D/5D/16D ENVIROMUX® ENVIROMUX-TLD-x „„ Uses a self-adhesive sensor tape with copper fiber electrodes and a durable netted cover for dependable detection of conductive liquids. „„ Continuous tape integrity self-check. „„ Floor or under-pipe mounting. „„ Minimum puddle: 0.125” (3 mm) diameter. „„ Available tape sensor lengths: 10/25/50/100 feet. Tape-Style Liquid Detector Spot Liquid Detector, Point Leak Detection Sensor ENVIROMUX-LD-SPDT „„ Features gold-plated probes and microchip technology for dependable detection of conductive liquids. „„ Adjustable detection level. •• Probe height adjustable 0” to 1.5” (0 to 38mm) ENVIROMUX-SLDO-14 „„ Use to detect fluids in confined areas. „„ One generic relay output „„ Adjustable detection level. •• Probe height adjustable 0” to 0.75” (0 to 19mm) „„ Cable length: 14 feet Compact-Size Spot Liquid Detector, Point Leak Detection Sensor ENVIROMUX-SLDO-A „„ Use to detect conductive fluids in confined areas „„ Water level detection range: 0.03 to 0.53" (0.79 to 13 mm). „„ Audible alarm signal: 85 dB at 1 foot distance. „„ Red LED for visual alarm signal. „„ Cable length: 4.9 ft (1.5 m). Spot Liquid Detector with Built-In Visual & Audible Alarm Chemical Detection Sensor ENVIROMUX-CDx-y „„ For detecting the presence of chemical liquid. •• Reliably senses acids, bases, and other conductive liquids. „„ Detects liquid depth >0.1” (2.5 mm). „„ Minimum puddle: 0.6” (15 mm) diameter. „„ Available chemical sensor cable (x) lengths: 1/10/50/100 feet. „„ Available 2-wire cable (y) lengths: 5/10/20/50/100 feet. Under Carpet Leak Detector ENVIROMUX-UCLD-x „„ Use to detect conductive fluids and moisture under carpets. „„ Available 2-wire plenum cable lengths: 10/25/50/100/200/400/600/1000 feet. Liquid & Chemical Detection Sensors Low-Cost Liquid Detection Sensor, Rope-Style ENVIROMUX-LD-LCx-y „„ Detects any conductive liquid or moisture. „„ Minimum puddle: 0.06” (1.5 mm) diameter. „„ Available water sensor cable (x) lengths: 1/10/50/100/200/400/600 feet. •• Material: PVC twisted pair with stainless 316 elements •• Diameter: 0.14” (3.5 mm) „„ Available 2-wire cable (y) lengths: 5/10/20/50/100 feet. Liquid Detection Sensor, Plenum Rope-Style ENVIROMUX-LDx-y „„ Detects any conductive liquid or moisture. „„ Minimum puddle: 0.6” (15 mm) diameter. „„ Detects liquid depth >0.1” (2.5 mm). „„ Available water sensor cable (x) lengths: 1/10/50/100/200/400/600/800/1000 feet. •• Plenum rating: CL2P (UL) •• Diameter: 0.25 in (6.35mm) „„ Available 2-wire plenum cable (y) lengths: 5/10/20/50/100 feet. ENVIROMUX-ULT „„ Compact sensor with 2” (51 mm) dead band and beam width optimized for small tanks 49” (1,245 mm) or less. „„ Provides two-wire 4-20 mA analog output. „„ Includes Fob USB interface tool for configuring the transmitter. „„ Requires the ENVIROMUX-S420MA- 24V to operate with ENVIROMUX- 2D/5D/16D. Ultrasonic Level TransmitterCapacitive Chemical Spot Leak Detector ENVIROMUX-SCD-CAP-5M „„ Use to detect liquids in confined areas, such as in drip pans. •• Capacitive sensor is ideal for monitoring liquids with low conductivity, such as pure water, diesel fuel, acetic acid, ethanol, methanol, liquid ammonia, and carbohydrate solution. „„ NPN output can be normally-open or normally-closed.„„ IP 67 rated. „„ Cable length: 16.4 ft (5 m).
- 5. © 2013, 2015 NTI. All rights reserved. R NETWORK TECHNOLOGIES INCORPORATED 3 3 0 . 5 6 2 . 7 0 7 0 International calls 1.800.RGB.TECH (800.742.8324) To l l F r e e : U S & C a n a d a 330.562.1999 Worldwide fax sales@ntigo.com www.networktechinc.com5 Hydrogen Sulfide Detector ENVIROMUX-H2S „„ Use to monitor the presence of Hydrogen Sulfide from failed UPS (uninterrupted power supply) lead acid batteries, in paper mills, refineries, waste disposable facilities, etc. „„ Measures H2S in a range of 0 to 50 ppm. „„ 5A SPDT fan relay controls exhaust fans, valves, or louvers. „„ Alerts are based solely on the measured H2S levels reported by the ENVIROMUX-H2S. Environmental Sensors Sensors & Accessories Compatible with ENVIROMUX-2D/5D/16D ENVIROMUX® Gas Detector/Sensors Carbon Monoxide Detector, CO „„ Continuous air monitoring. „„ Pre-set alarm points alert at: •• 70 ppm after 60 to 240 minutes •• 150 ppm after 10 to 50 minutes •• 400 ppm after 4 to 15 minutes ENVIROMUX-CMD Carbon Dioxide Sensor, CO2 ENVIROMUX-CO2 „„ Measures CO2 in a range of 0 to 2,000 ppm. „„ 0 to 5 VDC output. „„ Continuous automatic air pressure compensation. „„ Requires the ENVIROMUX-S5VDC sensor converter to operate. Gas Detector – Methane, Butane, Propane ENVIROMUX-GD-MBP „„ Use to detect leaks of combustible gas (methane, propane, butane, acetylene, etc.) „„ Continuous air monitoring. „„ Audible alarm signal: 94 dB at 1 foot. „„ Relay specifications: level selectable, normally open or normally closed, 250V AC, max 5A. Smoke Detection Sensor ENVIROMUX-SDS-120V „„ Ionization smoke detector. „„ Applications from 40°F to 100°F (4°C to 38°C). „„ Front loading battery door. „„ One button design for easy testing and HUSH mode activation control. „„ Voltage supply: 120VAC. „„ Audio alarm: 85dB at 10ft. „„ Links with up to 24 devices. „„ Use compatible relay (ENVIROMUX- RLY-SDS120V) for connection to the ENVIROMUX system. „„ Contact ratings: 10A at 120VAC, 5A at 30VDC. Smoke Detection Sensor – 120VAC Wire-In with Battery Backup ENVIROMUX-SDS „„ Photoelectric smoke detector. „„ Smoke sensitivity: 0.98-2.4%/ft. „„ Built-in 135° F (57° C) thermal heat sensor. „„ Operating temperature: 14 to 122°F (-10 to 50°C). Smoke Detection Sensor – UL Approved ENVIROMUX-SDS-CE „„ Photoelectric smoke detector. „„ Smoke sensitivity: 0.08-0.14 dB/m. „„ Applications from 32 to 122°F (0 to 50°C). „„ Operating temperature: 14 to 122°F (-10 to 50°C). Smoke Detection Sensor – CE Approved ENVIROMUX-SDS-TAA „„ Photoelectric smoke detector. „„ Smoke sensitivity: 0.98-2.4%/ft. „„ Built-in 135° F (57° C) thermal heat sensor. „„ Voltage supply: 8-35VDC. Smoke Detection Sensor – UL Approved, TAA Compliant Hydrogen Gas Detector ENVIROMUX-H2 „„ Use to detect leaks of hydrogen gas in battery monitoring/charging rooms, substations, uninterruptible power supplies (UPS), and hydrogen fueled back-up power systems. „„ Alarm set point: 10% LEL hydrogen gas. „„ SPDT Alarm and normally-closed output relay.
- 6. © 2013, 2015 NTI. All rights reserved. R NETWORK TECHNOLOGIES INCORPORATED 6 3 3 0 . 5 6 2 . 7 0 7 0 International calls 1.800.RGB.TECH (800.742.8324) To l l F r e e : U S & C a n a d a 330.562.1999 Worldwide fax sales@ntigo.com www.networktechinc.com Sensors & Accessories Compatible with ENVIROMUX-2D/5D/16D ENVIROMUX® Weather & Outdoor Sensors Outdoor Temperature Sensor „„ Applications from -40 to 185°F (-40 to 85°C). „„ Accurate to within ±0.9°F (±0.5°C). „„ Weatherproof enclosure. ENVIROMUX-STS-O Wind Speed Sensor/Anemometer „„ Rugged anemometer „„ 3-cup rotor pressed on a stainless steel shaft „„ Reed switch and magnet providing one pulse per rotation „„ Rotor diameter: 5 inches „„ Speed range: ~ 3 mph to 125+ mph (~5 kph to over 200 kph) „„ 100 feet of exterior grade wire ENVIROMUX-WSS Barometric Pressure Transmitter „„ Use for determining atmospheric air pressure. „„ Pressure range: 20.8 to 32 in Hg (10.2 to 15.7 psi) „„ Accuracy: ± 0.14 Hg (±0.07 psi) „„ Repeatability: ± 0.03 Hg (± 0.014 psi) „„ Pressure Hysteresis: ± 0.02 Hg (± 0.01 psi) „„ Long-Term Stability: ± .014 Hg/year (±0.007 psi/year) „„ Requires the ENVIROMUX-S420MA- 24V to operate with ENVIROMUX- 2D/5D/16D. ENVIROMUX-BPT Environmental Sensors Air Velocity Sensor ENVIROMUX-AV w/Converter ENVIROMUX-S5VDC „„ Measures air velocity. „„ Flow range: 0-2000 ft/min (0-10 m/s). „„ Accuracy: ±5% of measuring value at 68°F (20°C). „„ Requires the ENVIROMUX-S5VDC sensor converter to operate. Air Flow/Velocity Sensors Air Flow Sensor ENVIROMUX-AFM „„ Reacts to any condition causing insufficient flow of air. „„ Switch contact is closed when air flow is >8.2 ft/s. „„ Connection: 2x single strand AWG26, length 18 in. Low-Cost Air Velocity Sensor ENVIROMUX-AV-LC-7 „„ Reliable sensor for measurement of air velocity. „„ Flow range: 0-9843 ft/min (0-50 m/s). „„ Accuracy: ±98 ft/min (±0.5 m/s) from 0 to 2953 ft/min (0 to 15 m/s). „„ Length: 7 feet. „„ Includes an RJ45 coupler to extend the sensor up to 1,000 feet using CATx cable (minimum 24AWG). Air Flow/Velocity Sensors