Extech Instruments

Extech Instruments

Since 1971, Extech Instruments has focused on Test and Measurement tools built for the professionals, tradesperson and DIY’ers. Our single source strategy has made us the brand to turn to when it comes to tools that help prevent, identify and troubleshoot problems in a plethora of applications; whether it’s electrical, mechanical, maintenance, safety or environmental applications, our products are trusted by the professionals and are put to the test every day.


With over 45 years, Extech is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world. Sold in over 100 countries around the world, Extech’s success is supported by a far-reaching network of dedicated and knowledgeable distributors who introduce new users to Extech every day.

http://www.extech.com/resources/MO100.pdf


   Extech TM300  Type K/J Dual Input Thermometer

Extech TM300 Type K/J Dual Input Thermometer

Compact meter for differential temperature measurements:The TM300 is a compact meter for differentia..

   Extech TP400  High Temperature Type K Pipe Clamp (-4 to 450°F)

Extech TP400 High Temperature Type K Pipe Clamp (-4 to 450°F)

Hands-free superheat/subcooling temperature measurementThe Extech TP400 Type K High Temperature Pipe..

   Extech VT10  Multifunction Voltage Tester

Extech VT10 Multifunction Voltage Tester

Voltage, Continuity and Phase Tester with FlashlightThe Extech VT10 Multi-Function Voltage Tester ..

   Extech WB200 Wet Bulb Hygro-Thermometer Datalogger

Extech WB200 Wet Bulb Hygro-Thermometer Datalogger

Portable Hygro-Thermometer with Wet Bulb and Dew Point Temperature readings:Ideal for monitoring h..

  Extech RH305 Hygro Thermometer Psychrometer Kit

Extech RH305 Hygro Thermometer Psychrometer Kit

Includes a RH300 with 33% and 75% calibration bottles, PC cable, and caseKit includes RH300 humidi..

 Extech 412355A  Current and Voltage Calibrator/Meter

Extech 412355A Current and Voltage Calibrator/Meter

Precision source for calibrating process devices and measuring DC process signals412355A is a Curr..

 Extech 412440-S  Calibration Source Checker

Extech 412440-S Calibration Source Checker

Easy to use pocket checker for simulating Current LoopsThe 412440-S is a low-cost, pocket sized ca..

 Extech 42270  Temperature/Humidity Datalogger

Extech 42270 Temperature/Humidity Datalogger

Temperature/Humidity Datalogger for 42275 docking station kit The 42270 is an Additional Humidity a..

 Extech 42280  Temperature and Humidity Datalogger

Extech 42280 Temperature and Humidity Datalogger

Datalogs up to 16,000 readings with USB interface for downloading to a PCThe 42280 is an Extech Te..

 Extech 480826 Triple Axis EMF Tester

Extech 480826 Triple Axis EMF Tester

Three axis (X, Y, Z) electromagnetic field measurement (30Hz to 300Hz)480826 Triple Axis EMF Teste..

 Extech AN25  Heat Index Anemometer

Extech AN25 Heat Index Anemometer

Compact indoor/outdoor meter for measuring up to 7 environmental parametersExtech’s AN25 pocket-si..

 Extech AN300   Large Vane CFM/CMM Thermo-Anemometer

Extech AN300 Large Vane CFM/CMM Thermo-Anemometer

Measures Air Velocity, Air Flow and TemperatureThe AN300 is a Large Vane CFM/CMM Thermo-Anemometer..

 Extech AN300-C  Airflow Cone and Funnel Adapter Kit for AN300, AN310, AN320

Extech AN300-C Airflow Cone and Funnel Adapter Kit for AN300, AN310, AN320

Accessory Kit for Airflow Measurements for Common Large Size DuctsThe AN300-C is an airflow cone a..

 Extech AN310  Large Vane CFM/CMM Anemometer/Psychrometer

Extech AN310 Large Vane CFM/CMM Anemometer/Psychrometer

Measures Air Velocity, Air Flow, Relative Humidity, Wet Bulb and Dew PointThe AN310 is a Large Van..

 Extech AN340  CMM/CFM Anemometer/Psychrometer Datalogger

Extech AN340 CMM/CFM Anemometer/Psychrometer Datalogger

Includes Telescoping Probe with 18mm Diameter Vane SensorThe AN340 is a CMM/CFM Anemometer/Psychro..

 Extech AN500 Hot Wire CFM/CMM Thermo-Anemometer

Extech AN500 Hot Wire CFM/CMM Thermo-Anemometer

Thermo-Anemometer with Automatic Temperature Compensation and Telescoping ProbeThe AN500 is a Hot ..

 Extech AUT500  14 Function Automotive Digital Multimeter

Extech AUT500 14 Function Automotive Digital Multimeter

Automotive Multimeter with Temperature, RPM, Dwell Angle, Duty Cycle and Pulse WidthThe Extech AUT..

 Extech BR200  Video Borescope/Wireless Inspection Camera

Extech BR200 Video Borescope/Wireless Inspection Camera

17mm camera diameter and 3.5" Color TFT LCD Wireless MonitorBR200 is a Video Borescope Inspection ..

 Extech BR250  Video Borescope/Wireless Inspection Camera

Extech BR250 Video Borescope/Wireless Inspection Camera

9mm camera diameter and 3.5" Color TFT LCD Wireless MonitorBR250 is a Video Borescope Inspection C..

 Extech BR300  Waterproof Video Borescope Inspection Camera

Extech BR300 Waterproof Video Borescope Inspection Camera

Waterproof Video Borescope Inspection Camera 8mm camera diameter and 2.7" Color TFT LCD Monitor&nbs..

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