Electrical Safety Testers

High contrast OLED display. Microprocessor-controlled. Tests insulation resistance up to 10TΩ. 4 Insulation test voltages: 500V, 1000V, 2500V, 50...

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

The 380320 is an Analog Insulation Tester with a large, easy to read analog display. Featuring a live circuit warning which displays the actual AC ...

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

With the 380396 measure Insulation Resistance to 60GΩ with test voltages of 500V, 1000V, 2500V, and 5000V. Featuring polarization Index measurement...

380462 is a Precision Milliohm Meter (220V). Performance for low resistance measurements. Equipped with a large 18mm 1999 count LCD screen. Featuri...

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 380580 is a Battery Powered Milliohm Meter. This milliohm meter features a high accuracy, a high resolution, portable milliohm meter battery op...

The 380926 is a category IV, 2000-Amp, TRMS AC/DC Clamp Meter which has a rugged 2 in. jaw that accommodates two 500MCM cables. A built-in full-fun...

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 compact Extech 380947 is a 400 Amp True RMS mini clamp meter. This meter has a small diameter jaw designed to reach in small areas while provid...

The 382100 is a 3-Phase Power Analyzer/Datalogger that saves data (up to 30,000 sets of measurements) on an SD card in Excel format for easy transf...

The 382252 is an Earth Ground Resistance Tester Kit which includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000 omega...

The 382357 is a Clamp-On Ground Resistance Tester that enables non-contact measurements of ground conductors. True RMS AC Leakage current range of ...

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 ...

The 480400 Phase Sequence Tester has a 40 to 600-Volt rated range for testing phase orientation of 3-phase power sources over a 15 to 400Hz frequen...

The 480403 Phase Sequence and Motor Rotation Tester has a 40 to 600-Volt rated range for testing phase orientation of 3-phase power sources over a ...

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...

The EX655 is a 600A True RMS AC/DC Clamp meter. This clamp meter also measures AC/DC voltage, resistance, capacitance, frequency, temperature, cont...

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

The EX820 True RMS clamp meter features a built-in IR thermometer with laser pointer for non-contact surface measurements from -58 to 518 degrees F...