Titrators

Labmen instrument Limited
Tel:00852-30623001, Fax:00852-31828558
Email: sale@lab-men.com Site: www.lab-men.com
1. Automatic Titrator
Order ID: DY-ZDJ-2
Picture:
Instrument functions:
 It can control titration endpoint according to preset potential.
 It can pre-control potential adjustment.
 It adopts solenoid valve for controlling dropping liquid.
 It has manual, automatic and constant pH (potential) titration modes.
 It is equipped with delay circuit of titration endpoint.
 It is suitable for potential titration for laboratory volumetric analysis.
 It is equipped with JB-1A stirrer.
Specifications:
1. Measuring range:
a) pH:(0.00~14.00)pH
b) mV:(-1400~1400)mV
2. Resolution
a) pH:0.01pH
b) mV:1mV
3. Accuracy:
a) pH:±0.03pH±1 bit
b) mV:±0.35%FS
4. Stability:±0.01pH/3h
5. Input impedance>=3×1011Ω
6. Power: AC(220±22)V,(50±1)Hz
7. Dimension(mm):300×235×100
8. Weight: 3kg

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2. Automatic Titrator
Order ID: LA-ZDY-500
Picture:
Instrument function:
 Analog display
 have a manual and automatic titration function
 have a polarization voltage selector, set the end of selection, detection sensitivity selection
function
 current measurement points 10-9A ,10-8A ,10-7A ,10-6A fourth gear, in order to adapt to
different chemical analysis
Main technical:
1, titration range:
(0 ~ 10) mL, (0 ~ 25) mL
Polarization voltage: 30,50,100 mV
2, the basic error:
Titration end-point control Sensitivity: ± 5% FS
Polarization current measurement error: ± 2.5% FS
Capacity analysis repeatability error: 0.2% of reading
3, the polarization current detection sensitivity: 2.0 × 10-9,2.0 × 10-8,2.0 × 10-7,2.0 × 10-6A /
cells
4 end configuration sub-file: 10,20,30,40,50,60,70,80,90,100
5, Power: AC (220 ± 22) V, (50 ± 1) Hz
6 Dimensions (mm): 280 × 210 × 120
7, Weight: 5 kg

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3. LS-411 Karl fisher Coulometrie Moisture Titrator
·large screen LCD display.
·Coulometry method, adopt non-membrane electrode, it is suitable for most of the samples,
especially moisture measurement of polluting samples.
·Has shift end point control function, can automatically determine the shift caused by leakage of
trace moisture.
· The reagent is a new-type K-F reagent, which is low toxic, less polluting and multi-use
disposable.
Specification LS-411
Measurement Range 10ug-20mg
Accuracy ±0.5%FS
Power Supply (220±22)V,(50±1)Hz
Size(mm)/N.W.(kg) 300*235*100/3kg

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4. Auto Potentiometric Titrator
Order ID: LA-ZDJ-4A
1. LCD display and Chinese operation interface which can show measuring parameters and
results.
2. It has pre-titration, preset endpoint titration, blank titration or manual titration functions. It
can form specific titration modes according to the user’s habit.
3. There are several different titration modes with different sensors: acid base titration, redox
titration, precipitation titration, complexometry titration and non-aqueous titration.
4. The stirring system adopts PWM modulation technique and applies software to reduce the
noise.
5. It has RS-232 communication port and can be connected with TP-16 printer to print
measuring data, titration curve and calculation results.
6. Specific Rex titration software can be used to connect with PC and the results can be shown
on the screen. Also, the titration modes can be edited and modified for remote control and
calculation of several statistics.
7. The titrator adopts the specific material which is against perchloric acid corrosion and can
conduct several titration reactions.
Specifications:
1. Measuring range:
pH: (0.00～14.00)pH
mV: (-1800～1800.0)mV
temp: (-5.0～105.0)°C
2. Resolution
pH: 0.01pH
mV: 0.1mV
temp: 0.1°C
3. Accuracy:

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pH: ±0.01pH±1 bit
mV: ±0.03%FS
Temp: ±0.3°C±1 bit
4. Accuracy of titration tube volume:
10ml titration tube: ±0.025ml
20mltitration tube: ±0.035ml
5. Resolution of titration tube:
10ml titration tube: 1/10000
20mltitration tube: 2/10000
6. The speed of transfusion or fluid infusion: (50±10)s(When the titration tube is full)
7. Titration analysis of repeatability: 0.2%
8. Titration control sensitivity:±2 mV
9. Stability: (±0.3mV±1 bit)/3h
10. Power: AC (220±22)V, (50±1)Hz
11. Dimension(mm): 340*400*400
12. Weight: 10 kg
5. Coulometric Titrator
Order ID: LA-ZDJ-5
1. LCD touch screen, Chinese operation interface and modular design
2. It can store titration curve and data.
3. It has RS-232 bi-directional port and has power failure protection function.
4. It can be connected with TP-16,TP-24 andTP-40 printer. Also, it can print measuring data,
titration curve and calculation results.
5. It uses specific titration software to achieve replacement of control device by computer, to
display titration curve and measuring data online. Also, It functions as titration modes
editing, calculation, storage of titration curve, database dealing and statistics.

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Specifications:
1. Measuring range
a) mV：(-1999.9～1999.9)mV
b) Electrolyte current：1、10、50mA
2. Electrolyte current Accuracy: ±0.25％(reading)。(the maximum load is 500Ω )
3. The repeatability of titration analysis: ≤0.5％(the minimum is 3s)
4. Power: AC (220±22)V，(50±1)Hz
5. Dimension(mm)：360×300×300
6. Weight：10kg
6. DY-502 Karl Fisher Poterotion Moisture Titrator
•Non-polluting analytic measurement process；Prevent leakage device and Prevent suck-back
waste device ； Automatic inflow and outflow solution, and automatic mixture of KF reagent,
Model DY-502
Moisture
measurement
Measuring Range
0.1mg~250mg(mg、mg/L、
%、ppm and many units)
Resolution 0.1mg
Polarization
current
Grade 1μA,50μA
Accuracy ±0.2μA,±10μA
Titration drive
Burette Permissible
Error
10ml burette:±0.025ml
Repeatability of
titration analysis
0.5%
Power AC(220±22)V；(50±1)Hz
Dimension& Weight 360×300×300mm,10kg

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which can prevent users from touching KF reagent directly and makes the operation secure and
convenient.
• Several titrating modes to meet analysis of different sample :Pre-titration, Auto-titration,
Manual titration, Constant titration, KF titer titration, etc.
•Conversational operation, complete the setup and operation of titration easily.
•Convenient automation titration system
a.Valve-burette integration design, which is easy replacement and effectively avoid interferences
between different solutions in different titration.
b.It can set system time, operator No., burette type, burette coefficient, stirrer speed, output
types, etc.
c.Titration end-point reminder.
•Firmware upgrades function which can reduce your titration cost.
• Control methods of titrator: dot matrix LED, Key operation, simultaneously or respectively
control though computer software
•Live display related test methods and measuring results.
• Several titrating modes: Pre-titration, Auto-titration, Manual titration, Constant titration, KF
titer titration, etc.
•Automatic inflow and outflow solution, and automatic mixture of KF reagent, which can prevent
users from touching KF reagent directly and makes the operation secure and convenient.
•Titrating solution overflow protection
•It has detecting and reminding functions of KF reagent failure
•USB and RS-232 printing interface. Realize communication through special titrating software by
connecting computer.
Food Water content in meat products
Medicine Water content in pharmaceutical intermediates
Daily Chemical Water analysis of cosmetic, organic solvent or surfactant
Petroleum Products Moisture content control
Agriculture Water analysis of fertilizer, pesticide emulsifier

Tel:00852-30623001, Fax:00852-31828558
7. AT-2A automatic potential titrator
Features:
1. High precision laboratory analyzer;
2. Volumetric analysis by potential titration in laboratory;
3.Measure PH value of sample solution in laboratory;
4.pH Value or electric potential controlled titration;
5.Volumetric analysis by manual;
6.Equipped with electrodes of different specifications.
Specifications:
Model AT-2A
Display LED digital display
Measuring range
pH 0-14.00 PH
mv (-1999.0-1999.0)mv
Measuring accuracy
pH ±0.01PH
mv ±0.1%(F.S)
Potential Control Accuracy ±0.03PH or ±0.03mv
Input Impedance ≥1×1012
Ω
Repeatability of titration analysis ≤0.3%(F.S)

Tel:00852-30623001, Fax:00852-31828558
8. AT-3A automatic potential titrator
Features:
1. With auto imbibition, injection and determination function.
2.Specially made precision metering pump to ensure the accuracy of titration results.
3.Three channel switch valve and the liquid road partly made of special material.
4.Well anti-corrosive, can ensure working for a long time and continously.
5. The system is well sealed, that ensure liquid road is no bubble.
Specifications:
Model AT-3A
Display LED double digital display
Measuring range
pH 0-14.00 PH
mv (-1999.0-1999.0)mv
Measuring accuracy
pH ±0.01PH
mv ±0.1%(F.S)
Potential Control Accuracy ±0.03PH or ±0.03mv
Input Impedance ≥1×1012
Ω
Repeatability of titration analysis ≤0.3%(F.S)

Tel:00852-30623001, Fax:00852-31828558
9. YT-1 automatic Ascertaining End-Point Titrator
Introduction
Ascertaining end-point titrimetry is a method ascertain the end-pointin volumetric
analysis, the automatic ascertaining end-point titrators a new instrument manufactured
according to requirement of Titrimetry recorded Chinese Codex(Edition:77) which can be used to
measure dia-zonium end-point indication. It has the advantages high precision, exact
measurement, convenient usage, stable performance compared with the methods of using
external indicator and watching Fischer liquid. It is an absolutely necessary instrument to analyze
solution for chemical labs, physic inspection organizations, hospitals, pharmaceutical factory and
so on.
Technical specifications:
1.polarization volatage:50, 100, (mv)
2.Sensitivity: 1.5*10-9
A, 1.5*10-
⁸A
3.Threshold value:10~90
4.End-Point delay:1” 30”
5.Power supply:220V 50Hz
6.Fast drip delay:7”
7.Power:18w

Tel:00852-30623001, Fax:00852-31828558
10.YT-2 Automatic Ascertaining End-Point Titrator
Introduction
YT-2 automatic ascertarining end-point titrator is the end point indication instrument which
inspects the content of medicine according to the ascertaining eng point titrimetry regulated in
Chinese codex. It isequipped with handtailor exact measuring pump and three-way crossover
valve. It can absorb and shot liquid automatically, measure the end-point automatically, and show
standard liquid dosage by LED digital display.
Technical specifications:
1.Pump pipe volume:＞25ml
2.Capacity precision:<0.2%
3.Threshold value:10~90
4.Polarization voltage:-50,-100(mv)
5.Distinguisha-bility:0.01(ml)
6.Power supply:220V 50Hz
7.sensitivity: 10-
⁸A, 10-9
A
8.End-point delay1” 30”
9.Power:20W

Tel:00852-30623001, Fax:00852-31828558
11.YT-2J Intelligent End-Point Titrator
Introduction
The instrument is designed according to Chinese Pharmacopoeia 2005 edition of the capacity
analysis requirements of the end-point titration .The apparatus has a large colored display, touch
screen operation. A variety of technical parameters can be set flexibly according to actual needs,
when in calibration or tests of samples, it show real-time titration curves in color at the same
time, the location of threshold and titration status and are also shown.
The instrument can be connected to special printers and also to desktop computers.
Technical Parameter
1.Polarization voltage:-30mv~-450mv stepless set
2.Sensitivity:10-6
; 10-7
; 10-8
; 10-9
stepless set in four columns
3.Threshold value:50~90 stepless set
4.Minimum feed:0.01,0.02,0.03ml/2 seconds in third grade
5.Titration delay:0 seconds~300 seconds stepless set
6.Mixing speed:001~999 stepless set

Tel:00852-30623001, Fax:00852-31828558
12.D-3A Automatic Electric Potential Titrator
Introduction
The instrument has the function of automatic titration, and shows the titration value by LED
digital display .It is the ideal instrument to have capacity analysis for chemical labs. It is suitable
to analyze the content in all kinds of electric potential titration such as acid and alkali titration,
oxidation and deoxidization titration.
Technical Parameter
1.Measuring range: 0~±1999mv, 0~14.00PH
2. Measuring precision: 0.1%F.Smv, ±0.01PH
3.Control precision: ±0.03PH, ±3mv
4. Input impedance:>1012
Ω
5.Ambient temperature:5-40℃
6.Relative humidity:<85%
7.Power supply:AC220V ±10%50Hz
8. Power:20W
9.Weight:6Kg

Tel:00852-30623001, Fax:00852-31828558
13.Water Measurement Instrument Series
Introduction
This series use kari-fischer method to measure the moisture.It use ascertaining end-point
titrimetry to measure the end-point.it can be used to measure the moisture content in chemical
fertilizer, medicine, foodstuff, chemical material and other industrial products.
Product Characteristics( F-1)
It is used for kari. Fischer moisture measurement. It can measure conveniently, rapidly and
accurately. The titration system use the standard air pressure to exhaust the reacting waste
liquid.
Technical Parameter
1.Meter range: 0.01%--100%
2.Resolution: 0.05ml
3.Display: Needle
4.Titration flow: 0.01ml/s
5.Endpoint delay: /
6.Display error: ≤3%
7.Power source: 220V/50Hz

Tel:00852-30623001, Fax:00852-31828558
Product Characteristics(F-1A)
1. Digital display, end-point potential;
2.Mixing speed can be adjust smoothly;
3.Discharge the waste liquid by pressed air, convenient;
4.Titration system uses special frictional connection ,it is convenient to exchange with other
titration system of different volumes or different samples.
Technical Parameter
1.Meter range: 0.01%--100%
3.Display: Digital
4.Titration flow: 0.01ml/s
5.Endpoint delay: /

Tel:00852-30623001, Fax:00852-31828558
Introduction
This series use kari-fischer method to measure the moisture. It use ascertaining end-point
titrimetry to measure the end-point.it can be used to measure the moisture content in chemical
fertilizer, medicine, foodstuff, chemical material and other industrial products.
Product Characteristics(SD-1)
It has two functions of manual operation and automatic operation. The blender is speed variation.
It is equipped with end-point indication light buzzer and automatic lock equipment.
Technical Parameter
1.Meter range: 0.01%--100%
3.Display: LED display
4.Titration flow: Automatic
5.Endpoint delay: 10±2s

Tel:00852-30623001, Fax:00852-31828558
Product Characteristics(SD-2)
It can absorb and transfuse liquid automatically, Measure the end-point automatically and show
titrimetry value by LED digital display.
Technical Parameter
1.Meter range: 0.001%--100%
3.Display: Digital(ml)
4.Titration flow: Automatic
5.Endpoint delay: 10±2s
Add: RM18W, 27/F,Ho King Comm CTR, 2-16 Fayuen ST,Mongkok Kowloon, Hong Kong
Tel:00852-30623001
Fax:00852-31828558
Email:
sale@lab-men.com(sale information & quotation)
info@lab-men.com (products information & visiting support)
service@lab-men.com(after sale service)
Site: www.lab-men.com
skype: lormanled

Tel:00852-30623001, Fax:00852-31828558

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