Best selling products

The SDL350 records data on an SD card in Excel format. Air Velocity/Air Flow meter with telescoping probe designed to fit into HVAC ducts and other...

The SDL500 records data on an SD card in Excel format. Relative Humidity, Temperature, Dew Point, and Wet Bulb measurements. Adjustable data sampli...

The SL125 is for use with Extech’s SL130G Sound Level Monitor. Extends microphone up to 15ft (5m) for remote operation.

Featuring a temperature range of -40 to 158 degrees F (-40 to 70 degrees C) with an accuracy of ±1 degree C/1.8 degrees F, the Extech TH10 captures...

The datalogger is designed with a rugged housing and a standard USB connector where stored readings (up to 48,000 data) are conveniently transferre...

The THD5 are portable, one-time use USB Temperature Data loggers with USB Connection. Convenient credit card-sized housing with USB 2.0 connector...

The Extech TL708 Alligator Clip Set has toothed jaws for the solid gripping of fine wires. They are heavy duty alligator clips with a 1000V, 6A CAT...

The Extech TL805 Double Injected Test Leads have a non-slip comfort grip. These are professional grade test leads which are compatible with most mu...

The TL807C is a set of insulated alligator clips. These insulated alligator clips are for use with Extech TL803 Test Leads. The TL807C alligator cl...

The TL809 is an 8-piece Professional Test Lead Kit. Includes 3-compartment sealable nylon pouch to organize/protect your test leads. Has a CAT III ...

The Extech TL810 Electrical Test Lead Kit is double insulated with a CAT III-1000V rating for your protection. The eight piece electrical test lead...

The Extech TL831 Master Electrical Test Lead Kit is an industrial grade ten piece kit. This kit includes the TL726 double molded silicone test lead...

The Extech TL833 Industrial Test Lead Set is a 12 piece kit with a CAT III-1000V rating. This set includes the TL726 double molded silicone test le...

The Extech TL841 Test Lead Kit is a test lead set with straight probes that are CAT III-1000V rated with a capacity of 16A. This kit comes with an ...

The Extech TP400 Type K High Temperature Pipe Clamp Probe produces a hands-free, super heat and sub cooling temperature measurement. The spring-loa...

The Extech EMF510 measures energy from electromagnetic fields (EMF) and electrical signals and is sensitive to extremely low frequency levels (ELF)...

Extech’s Big Digit Thermometer simultaneously displays indoor and outdoor temperatures plus it has a user programmable High and Low alarm for outdo...

Extech’s SP505 measures solar power level from outdoor sunlight to determine the best location of solar panel and solar water heater installations....

Combines a portable 20GΩ/1000V Insulation Tester with a True RMS MultiMeter. Insulation tester includes PI/DAR modes, programmable timer, and a com...

The TG275 is the first FLIR camera specifically designed for automotive maintenance and repair professionals. Featuring IGM™ (Infrared Guided Measu...

The DG800 redefines the entry level waveform generator by bringing advanced capabilities like 16 bit high resolution, intuitive touch screen contro...

The EX355 is a professional DMM loaded with advanced features and functions. Low Impedance (LoZ) mode eliminates false readings caused by ghost vol...

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...