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ISFET pH/Conductivity Store

The ISFET pH Source for Rugged Benchtop, Handheld and Pocket-sized pH Meters with Stainless Steel pH Probes.

Important: U.S. orders only. To order from this website, you must have the
billing address, zip code and security code for your credit card.
ALL orders will be subject to sales tax. Your total purchase amount will NOT include sales tax. It will be added after the purchase.


Waterproof Multi-Parameter
Handheld Meters
(ISFET & Traditional Glass)

Benchtop Multi-Parameter Meters
(ISFET & Traditional Glass)

Handheld Meters
(ISFET & Traditional Glass pH)

ISFET Waterproof MiniLab pH Meters

ISFET technology is completely different from glass. Additional details on ISFET technology


 IQ140 pH/mV/Temp/ORP System
 IQ140 pH/mV/Temp/ORP System

Rugged, yet economical meter for use with conventional glass pH testing applications where stainless steel probes are not needed -- optional ORP probe

A three year warranty on the meter and a six-month warranty on the probe, including glass breakage!