Best selling products

This autoranging megohmmeter measures insulation resistance up to 2000MΩ. Choice of 250, 500 or 1000VDC test voltages. The large backlit dual displ...

This Extech insulation tester measures up to 10GΩ with 250V, 500V and 1000V Test Voltages. Features include: Lo-Ohms for testing connections, analo...

Compact and precise, the Extech 380562 Milliohm Meter has 7 ranges and measures down to 0.01mΩ using 4-wire Kelvin clip test leads. Measurements ar...

The compact Extech 380941 is a 200 Amp mini AC/DC clamp meter with a small diameter jaw designed to reach in small areas while providing 10mA resol...

The compact Extech 380942 is a 30 Amp mini AC/DC clamp meter. The clamp meter has a remarkable 0.1mA resolution (AC), very low-current sensitivity,...

The Extech 381676A is a Pen Styled Multimeter with a Built in NCV detector. The 381676A features nine functions including AC/DC voltage to 600V, AC...

Extech’s Multi-Channel Hygro-Thermometer, with easy-to-read 1.3" (33mm) digits, displays indoor Temperature and Humidity levels. You can connect up...

The 382202 is a DC power supply which provides an adjustable 0 to 30 Volts and 0 to 1 Amp output. Features dual backlit LCD display for current and...

Ideal for a wide range of applications including bench testing, field service, hobby and telecommunication equipment, the solid state, compact Exte...

The Extech 382275 power supply is an easy-to-configure, highly stable, lab grade DC power supply with maximum output power of 600 Watts. The new DC...

The 407113 CFM Metal Vane Anemometer measures Air Velocity from 100 to 6890 ft./min, 0.5 to 35 m/sec, 1.8 to 126 km/hr, 1.1 to 78.3 mph, and 1.0 to...

This 1kHz, 94dB professional sound calibrator for 0.5" or 1.0" microphones calibrates and verifies sound level meter operation. Battery test positi...

The 42270 is an Additional Humidity and Temperature Datalogger for use with Extech 42275 and 42276 Kits. Datalogger measures temperature from -40 t...

A tachometer is a device that measures the angular speed of a rotating shaft in terms of revolutions per minute (RPM). The Extech 461750 Tachometer...

Perform Tachometer RPM measurement, Stroboscopic speed and motion analysis with the 461825 Combination Photo Tachometer and Stroboscope. Unique dis...

The 461937 is a set of Spare Reflective Tape. Comes in a pack of 10. For use with any non-contact tachometer.

This Extech 480172 Line Splitter provides a fast and easy way to “open” standard 120 Volt AC electrical lines, eliminating the need to cut off the ...

480826 Triple Axis EMF Tester is designed to provide a quick, reliable and easy way to measure electromagnetic field radiation levels around power ...

This RF EMF Strength Meter monitors high frequency radiation in the 50MHz to 3.5GHz range. Ideal for mobile phones, cell phones, base stations, loc...

This 480846 RF EMF Strength Meter monitors high frequency radiation in the 10MHz to 8GHz range. Ideal for mobile phones, cell phones, base stations...

Ruggedly designed and waterproof to IP67 standards, the EX530 is ideal for use in the outdoors, on boats, and in any harsh industrial environment. ...

The 60120B is a pH Electrode. This electrode fits virtually any pH meter that accepts a BNC connector. Features a 0 to 80°C operating temperature, ...

The Extech 804010A is a polymer conductivity cell probe. For use with Extech Model 341350A-P Oyster pH/Conductivity/TDS/ORP/Salinity meter. 39-Inch...

The EX810 Clamp meter features a built-in IR thermometer with laser pointer for non-contact surface measurements from -58 to 518 degrees Fahrenheit...