1012 & 1013 Microprocessor pH Meter

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Microprocessor Based pH Meter Model 1013 & 1012 is a high performance microcontroller based system for accurate, reliable & precise pH, mV and Temperature measurements. The microprocessor technology and advanced engineering techniques used, give enhanced accuracy and reproducibility. The system has user friendly prompts which guide you through out the measurement process.


The instrument has in-built error codes which alert you to incorrect buffers, over range and procedural errors. It has auto buffer recognition facility. Both auto and manual temperature compensation facility is available. It has 8 soft touch membrane type keys for ease of operation. Storage facility for 1000 samples has been provided, which are retained in the system’s memory. It also has the provision for the attachment of any dot matrix / thermal printer with serial Rs232 interface.


The instrument is extremely useful for Chemical and Pharmaceutical industries, Agriculture and Soil Analysis laboratories, Swimming pools, Water quality control in boiler feed water, water works department, Fertilizer plants, Petroleum Refineries, breweries, water purification plants etc.



  • Measures pH, mV and Temperature
  • 128 x 64 dots Graphical LCD Display
  • Soft Touch Membrane Keys
  • Auto Buffer Recognition Facility
  • Storage for 1000 samples
  • Attachment for Serial Dot Matrix /  Thermal Printer


Parameter pH mV Temperature
Range -2 to 20.00 pH (Model – 1012)
-2 to 20.000 pH (Model – 1013)
0 to 1999.9 mV -5 to 110 oC
Resolution 0.01 pH (Model – 1012)
0.001 pH (Model – 1013)
0.1 mV 0.1 oC
Accuracy ±0.01 pH, ±1 Digit (Model – 1012)
±0.001 pH, ±1 Digit (Model – 1013)
± 0.1 mV,
± 1 Digit
± 0.1 oC
0 – 100 oC Auto/Manual
Auto Buffer
4.00, 7.00 and 9.20 pH
Calibration Auto/Manual
Display 128 x 64 dots Graphical LCD Display
Keyboard 8 Keys, Soft Touch Membrane Type
External Serial RS 232 Dot Matrix/Thermal Printer Interface
Storage Upto 1000 Samples
Power 12V DC using 230±10% AC Adaptor
(L x B x H)
270 x 202 x 80
Weight 0.8 Kg (Approx.)
Accessories Combination pH Electrode, Temperature Probe, pH Electrode Stand, Buffer Tablets (7.0 and 4.0 pH), Operation Manual and
Dust Cover.

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