Extech Instruments

Exclusive Oyster design can be used in the lab or in the field. Large LCD built into adjustable "flip up" cover displays pH or mV and Temperature s...

10pH buffer solution Comes in convenient pint size plastic bottles

The Extech PH105 pH ExStik® Electrode Module is an easy to clean, rugged flat surface pH electrode. It is interchangeable with the ExStik® Chlorine...

The PH113 is Refill solution for Extech PH115 refillable pH electrode. Includes 1.5mL bottle KCl, 2 reference junctions and 2 removal tools. Inclu...

Easy to clean, rugged flat surface Refillable pH electrode Interchangeable with ExStik® Chlorine or ORP meters Provides an economical way to refi...

The Extech PH220-C pH Meter is a Palm pH with Cabled Electrode. Microprocessor provides for Automatic Buffer recognition. Memory stores 25 readings...

This pH/Temperature Kit measures pH, mV, and temperature at your workbench or in the field. It has automatic one button calibration of 4, 7 and 10 ...

The PH305 is an electrode capable of measuring pH,mV and Temperature. For use with Extech PH300 Waterproof pH/mV/Temperature Kit, EC600 Waterproof ...

4pH buffer solution Comes in convenient pint size plastic bottles

7pH buffer solution Comes in convenient pint size plastic bottles

Rugged waterproof (IP57) housing with Flat Surface Electrode for measuring pH in liquids, semi-solids, and solids. Does not break or get junctions ...

The PQ3450 is a 3-phase power analyzer/data logger capable of logging up to 30,000 sets of measurements in Excel format on a removable SD memory ca...

The PRC10 enables plant maintenance and electrical technicians to test and calibrate a wide variety of process control equipment, including transmi...

The PRC15 enables plant maintenance and electrical technicians to test and calibrate a wide variety of process control equipment, including transmi...

The PRC20 sources and measures eight thermocouple type devices (J, K, T, E, C, R, S and N) and provides precision output displayed as Centigrade/Fa...

The PRC30 is a Multifunction Process Calibrator. This calibrator provides precision sourcing and measurements for thermocouples (eight types), curr...

The PRT200 is a non-contact phase sequence tester that tests up to 1000 VAC with visual/audible indication. The tester has a 45 to 65Hz frequency r...

The Extech RE305 ORP ExStik® Electrode Module is an easy to clean, rugged flat surface ORP electrode that is interchangeable with ExStik® Chlorine ...

Refractometer measures the concentration of industrial fluids and sugar in fruit juice. Compact and easy to operate. Requires only 2 or 3 drops of ...

Refractometer measures the concentration of lubricants and cutting fluids. Compact and easy to operate. Requires only 2 or 3 drops of solution and ...

Measures the concentration of dissolved salt in fluids. Compact size, easy to operate. Automatic Temperature Compensation (ATC) from 10 to 30°C. Co...

This Combination Humidity meter plus Infrared Thermometer features a large backlit LCD with Primary and Secondary displays. Primary display is user...

Extech’s pocket-sized Heat Index Psychrometer Pen easily monitors Heat Index during hot humid days to prevent heat stroke during outdoor activities...

The RH300 is a compact meter that is ideal for field applications. Simultaneously displays relative humidity (10 to 90 percent RH), air temperature...