Best selling products

CL204 are ExTab Chlorine Reagent tablets (100pk-1000 tests) for the Extech CL200 Chlorine Meter. Foil packaging provides very stable environment wi...

This Portable Indoor Air Quality CO2 Meter measures Carbon Dioxide (C02), Temperature, Humidity, Dew Point, and Wet Bulb. Checks for Carbon Dioxide...

Model DV25 is a dual range NCV detector that combines two models into one. Low range measures down to 24 Volt and the high range measures up to 100...

The DVA30 is the only two-in-one current/voltage detector designed for electrical testing. It detects AC voltage from 12-Volt to 600V and AC curren...

The EC150 is a Conductivity/TDS/Temperature Meter. Waterproof meter with high-accuracy multi-ranging sensor. Features Auto Power off with disable, ...

The Extech EC400 ExStik® features six units of measure, internal memory that stores up to 15 labeled readings for easy recall, adjustable conductiv...

The EC500 is Conductivity/TDS/Temperature Meter. Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electro...

The 7-in-1 EC600 Kit measures Conductivity, TDS, Salinity, Resistivity, pH, mV and Temperature. It has automatic one button calibration of 4, 7 and...

The Extech EZ40 EzFlex Combustible Gas Detector has a 16 inch gooseneck for easy access into hard to reach locations. Detector has a high sensitivi...

The GRT300 measures earth ground in 4 ranges from 2 to 2000 Ohm. 4-wire, 3-wire, and 2-wire testing. Large dual line LCD. Automatic I (current) and...

The HD350 is a Pitot tube anemometer and differential manometer. Measures Differential pressure in 5 selectable units of measure and includes a Pit...

The HD500 Psychrometer with Infrared Thermometer combines 3 in 1 with humidity meter, type K thermometer and infrared thermometer functions. The HD...

Offering 11 selectable units of measure, the HD750 Differential Pressure Manometer can serve as a low range/high resolution Gauge or provide Differ...

Insufficient lighting can create security risks or result in OSHA crackdowns. The Extech LT300 light meter can determine whether you have adequate ...

The MN35 is a convenient mini size multimeter with protective rubber holster and tilt stand. Manual ranging, measures AC and DC Voltage to 600V, Re...

The MO290 is an 8-in-1 meter that combines a Pin/Pinless Moisture Meter with a built-in InfraRed Thermometer. Additional measurements include: Temp...

The MO290-EP is an Extension Moisture Probe with dual sharp pins. Pins measure 0.75 in.(8.5cm) long, product features a 30 in. cable length. Moistu...

The Extech MO750 Soil Moisture Meter has an integrated 8 in. heavy-duty moisture probe which monitors moisture levels in soil from 0 to 50-percent ...

Convenient, pre-measured pH calibration solutions for your meter. Rinsing solution used for cleaning off the pH electrode before and after taking m...

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

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

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