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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 PT150 is a Pressure Transducer for 150 PSI measurements with Extech Models SDL700 Pressure Meter/Datalogger and 407495 Heavy Duty Pressure Mete...

The PT30 is a Pressure Transducer for 30 PSI measurements with Extech Models SDL700 Pressure Meter/Datalogger and 407495 Heavy Duty Pressure Meter ...

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

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 ...

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....

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

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

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 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...

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

Extech's RH35 monitors Humidity, Temperature, and Dew Point for the previous 24 hours and alerts users to indoor mold hazard conditions starting wi...

The RH350 displays humidity, dew point, wet bulb, temperature and temperature differential. The triple backlit LCD can be changed to display humidi...

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

Anyone whose job relies on calculating humidity levels will appreciate the Extech Hygro-Psychrometer. In addition to measuring relative humidity in...

The RHM15 is a mini hygro-thermometer monitor which measures humidity and temperature and displays it simultaneously. The RHM15 has a built in memo...

The RHT10 datalogs Humidity and Temperature readings (up to 16,000 each) with user programmable sample rates from 2 seconds up to 24 hours for days...

The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample ...

The RHT3 is an EzSmart Hygro-Thermometer for use with Android or iOS Smart Devices. The RHT3 comes with a free app from iTunes and Google Play for ...

RHT35 uses a standard USB connection to transfer up to 48,000 readings to a PC with data/time stamp in PDF or spreadsheet format. Additional featur...