EXTECH Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for EXTECH products.

Tip: include the full model number printed on your EXTECH label for the best match.

EXTECH manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

EXTECH 407123 Hot Wire Thermo Anemometer User Manual

September 6, 2023
EXTECH 407123 Hot Wire Thermo Anemometer Product Information The Hot Wire Thermo-Anemometer Model 407123 is a device used to measure air velocity and temperature. It features a sensor tip with an air velocity sensor, air direction indentation, and a temperature…

EXTECH VB300 3 Axis G Force Datalogger User Manual

September 5, 2023
User Manual 3-Axis G-Force Datalogger Model VB300 Introduction Congratulations on your purchase of the VB300 G-Force Datalogger. The Model VB300 can measure and record shock and vibration (acceleration) readings over its ± 18g measurement range. This device will record 3-axis…

Extech RPM33 Laser Photo Contact Tachometer User Manual

September 5, 2023
USER MANUAL Model RPM33 Laser Photo / Contact Tachometer Additional User Manual translations available at www.extech.com Introduction Congratulations on your purchase of the Extech Laser Photo / Contact Tachometer, Model RPM33. The RPM33 digital tachometer offers fast and accurate measurements…

Extech BR90 Compact Borescope User Manual

September 5, 2023
Extech BR90 Compact Borescope Product Information The Extech BR90 Compact Borescope is a portable device that provides real-time video monitoring. It is designed for inspecting the interior of pipelines, conduits, and other narrow spaces. The BR90 is useful for various…

EXTECH RH520A Temperature Humidity Chart Recorder User Manual

September 5, 2023
EXTECH RH520A Temperature Humidity Chart Recorder Product Information Model RH520A Description Paperless Humidity/Temperature Chart Recorder Features The RH520A measures and displays Temperature, Humidity, and Dew Point. The remote (detachable) probe senses the ambient conditions while the LCD display graphs and…

EXTECH BR80 Video Borescope Inspection Camera User Manual

September 5, 2023
EXTECH BR80 Video Borescope Inspection Camera Product Information The Extech BR80 Video Borescope is a remote inspection device designed for various applications such as HVAC inspection, automotive inspection, cable routing, and boat/aircraft inspection. It comes with a camera tube connector,…

EXTECH SD200 3-Channel Temperature Datalogger User Manual

September 5, 2023
EXTECH SD200 3-Channel Temperature Datalogger User Manual Introduction Congratulations on your purchase of the Extech SD200 3-Channel Temperature Datalogger. Thismeter displays and stores temperature readings from one to three type k thermocouple temperature probes. Data is stored on a SD…

EXTECH AN300 AN300 Vane Airflow Anemometer User Manual

September 5, 2023
EXTECH AN300 AN300 Vane Airflow Anemometer User Manual Introduction Congratulations on your purchase of the Extech AN300 Vane Airflow Anemometer. This instrument measures Air Velocity, Air Flow (volume), and Air Temperature. The large, easyto-read backlit LCD includes primary (upper) and…

Extech UV505 UV-AB Light Meter User Manual

User Manual • September 26, 2025
This user manual provides comprehensive information for the Extech UV505 UV-AB Light Meter. Learn about its features, specifications, safe operation, maintenance, and customer support for accurate UV-AB light measurement.

Extech UV505 UV-AB Light Meter User Manual

User Manual • September 26, 2025
User manual for the Extech UV505 UV-AB Light Meter. This document provides detailed information on the device's features, operation, specifications, safety precautions, and maintenance for measuring UVA and UVB light.

Extech MG320 Insulation Tester User Manual

MG320 • August 4, 2025 • Amazon
Comprehensive user manual for the Extech MG320 Insulation Tester, covering setup, operation, maintenance, troubleshooting, and detailed specifications for this True RMS multimeter and insulation tester.

Extech EX330 Autoranging Mini Multimeter User Manual

EX330 • July 28, 2025 • Amazon
The Extech EX330 is a compact autoranging multimeter featuring an extra-large 4000 count display and a built-in non-contact AC voltage detector. It includes advanced functions such as Frequency, Duty Cycle, Capacitance, and Temperature measurement, along with Diode test and Continuity. Designed for…

Extech RH300 Digital Psychrometer User Manual

RH300 • July 28, 2025 • Amazon
The RH300 is a compact meter that is ideal for field applications. Simultaneously displays relative humidity (10 to 90 percent RH), air temperature (-4 to 122 degrees F /-20 to 50 degrees C) and dew point (-90.4 to 122 degrees F /-68.0…