Best selling products

The MO280 provides Non-invasive moisture measurements in wood and other building materials with virtually no surface damage. Meter uses electro-mag...

Moisture Hammer Probe for select Extech Moisture Meters. Hammer probe has 2 sharp pins for penetrating hard surfaces. Pins are 1.6 in.(4 cm) long. ...

The Extech MO297 is an 8-in-1 pin/pinless Moisture Psychrometer with a built-in infrared (IR) thermometer and MeterLink (Bluetooth) transmitter tha...

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...

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...

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...

Now you can test pH on the spot easily and accurately with the ExStik® PH110 Waterproof pH Meter. The durable ExStik® meter features a flat surface...

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 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...

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-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...