India’s Largest Manufacturer and Exporter of Magnet based high precision electronic balances.


Contech Instruments Ltd.

Company was awarded
ISO 9001 : 2008,
ISO 14001:2004,
OHSAS 18001:2007
Management Systems in
the year 2014.  

Contech Instruments Ltd.

is a leading manufacturer and exporter of high precision Electronic Balance that has for the past few years provided the industry with quality products like electronic balances, weighing machines



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  LAB pH METER, PRECISION                                 pH, mv,oC

CpH-102 & CpH-103

Contech CpH -102, an advanced Bench top pH Meter is the perfect combination of the state of the art electronic design coupled with advanced software & reliable electro chemical sensor higher uses a combination plastic pH electrode with inbuilt temperature sensor for the simultaneous measurements of pH & temperature & automatic temperature correction. CpH-103, a higher end bench pH Meter incorporates a glass electrode & seperate temperature sensor for high accuracy pH measurement & automatic temperature compansation.

These pH Meters cover innumerable applications in Research, Education, Chemical, Pharmaceutical, Food processing, Cosmetic, Biological & Agricultural fields.

pH, mV and temperature measurement.
Automatic or Manual temperature Compensation
3 point pH calibration, Automatic buffer recognition.
Buffers selectable from 1.68pH, 4.00pH, 4.01pH, 6.86pH, 7.00pH, 9.18pH, 9.20pH.
10.01pH and 12.45pH
Bi directional RS232 interface. Baud rate selectable from 1200,2400,4800 and 9600.
Single and continuous print out of measuring parameters.
Multiple Printout types. Combinations selectable from Sr. No., pH, mV, Date, time and temperature.
Real Time Clock. Calibration report as per GLP requirements.
Electrode Slope and mV offset display.
Memory storage of 100 pH measurements.
Data logging facility up to 500 results. Data logging interval selectable from 5S, 10S, 20S, 30S, 1M, 2M and 5M.
Temperature calibration with respect to solution of known temperature.
   Model     CpH-102   CpH-103
   pH Range    0-14pH   -2.0000~19.999pH
   pH Resolution    0.01pH   0.001pH
   pH Accuracy   +0.002pH   +0.002pH
   Temperature compensation    Automatic or Manual   Automatic or Manual
   Temperature range    0~100oC    0~100oC
   mV Range    +1999mV   +1999.9mV 
   mV Resolution    1mV    0.1mV
   mV Accuracy     +1mV   +0.5mV
   Electrode   pH combination electrode with
  built in temperature sensor
  - Plastic-EpHP02
  pH combination electrode
  - Glass -EpHG03
  Temperature Electrode   Built in   Temperature sensor electrode

Power :                             9V/ 500 mA External adaptor
Operating Temperature : 15~45oC
Meter Dimensions (mm) : 165 (L) x 190 (D) x 60 (H)
Meter Weight :                 700 g
Optional Accessories : Magnetic Stirrer MS-01,
                                    Battery backup unit BBEC-01
                                    Calibration Standards









Our Product Range :



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