Extech Instruments

Measure humidity and temperature simultaneously with the RH390 Precision Psychrometer from Extech. A dual-illuminated readout can be alternated to ...

The RH300-CAL is a kit which contains 33% and 75% humidity calibration bottles. Used for verifying calibration of the 445815 humidity meter. Bottle...

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

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

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

Refractometer measures the Propylene/Ethylene Glycol freezing point from -50 to 0°C and the Specific Gravity of battery acid from 1.11 to 1.30 and ...

This portable battery coolant/glycol Refractometer is easy to operate refract meters provide accurate and repeatable measurements on easy to read s...

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

The Extech RF15 measures the concentration of sugar in fruit juice and industrial fluids from 0 to 32 percent Brix, with a maximum resolution of 0....

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

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

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

Measures ORP/Redox from -999 to 999mV Automatic electronic self calibration Simulated analog bargraph displays change in ORP reading High resolut...

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

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

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

Complete with 1200A 12" flexible current clamp probes. Datalogging of single and 3-phase/3-wire or 3-phase/4-wire systems (up to 52,428 single phas...

The PQ2071 is a 1-/3-Phase 1000 Amp True RMS AC Power Clamp Meter. Extech's multifunctional PQ2071 Power Clamp meter operates as a True RMS Clamp M...

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

7pH buffer solution Comes in convenient pint size plastic bottles

4pH buffer solution Comes in convenient pint size plastic bottles

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