A. Kumar & Company
A. Kumar & Company


Digital pH Meters

Pioneers in the industry, we offer Digital pH Meters such as Resolution pH/mV/ISE/C Meter, Research Grade Calibration Check pH Meters and Graphic Display EC/Resistivity/ TDS/NaCl Meter from India.


Resolution pH/mV/ISE/C Meter
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Resolution pH/mV/ISE/C Meter

The HI 2216 is a pH, ORP, ISE meter with five point pH calibration, 0.001 pH resolution and two point ISE calibration. HI 2216 can perform measurements through the pH channel input using ORP electrodes in the mV scale and ISE electrodes in the ppm scale. A relative mV feature is also provided.

This instrument provides GLP capabilities that allows the storage and retrieval of all data regarding pH, ORP, and ISE calibration.


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Research Grade Calibration Check pH Meters
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Research Grade Calibration Check pH Meters

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HI 4521 and HI 4522 are research grade, benchtop instruments that feature 8 measurement ranges: pH, ORP (Oxidation Reduction Potential), ISE (HI 4522 only), conductivity, resistivity, TDS, salinity and temperature. These instruments incorporate dual channels with a separate temperature input and support the external reference electrodes required by half cell pH and ISE sensors.

HI 4221 and HI 4222 are research grade pH, ORP and temperature benchtop meters. HI 4222 also incorporates ISE measurements and dual channels.

These instruments are fully user customizable and offer a large logging space to fulfill the demands and versatility needed by research laboratories.


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Graphic Display EC/Resistivity/ TDS/NaCl Meter
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Graphic Display EC/Resistivity/ TDS/NaCl Meter

HI 98188 is a waterproof, portable conductivity meter that has an expanded conductivity range from 0.001 μS/cm to 400 mS/cm, as well as resistivity and three salinity scales. This meter automatically recognizes the probe type (two or four ring) and allows the user to adjust the nominal cell constant.

Choose from seven memorized standards and obtain up to a five point calibration. For salinity (% range), HI 7037 standard allows you to make a one point calibration. Both linear and natural water temperature compensation are available and the reference temperature is user adjustable.

Ten sets of measurement parameters (such as reference temperature, temperature compensation mode, TDS factor, calibration etc.) can be stored as a customized user profile and recalled for later use. HI 98188 is also USP <645> compliant with stages 1, 2 and 3.


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Contact Us

A. Kumar & Company
Mr. Vishal Shah / Vikas Shah (CEO)
No. 140/142, Princess Street, Govind Building, 3rd Floor, Room No. 29
Mumbai - 400002, Maharashtra, India



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