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 RPM33 Laser Photo Contact Tachometer User Manual

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…
Brand: EXTECH
Extech BR90 Compact Borescope User Manual

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…
Brand: EXTECH
EXTECH RH520A Temperature Humidity Chart Recorder User Manual

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…
Brand: EXTECH
EXTECH BR80 Video Borescope Inspection Camera User Manual

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,…
Brand: EXTECH
EXTECH SD200 3-Channel Temperature Datalogger User Manual

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…
Brand: EXTECH
EXTECH AN300 AN300 Vane Airflow Anemometer User Manual

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…
Brand: EXTECH
EXTECH EA80 Indoor Air Quality Meter Datalogger User Manual

EXTECH EA80 Indoor Air Quality Meter Datalogger User Manual

September 5, 2023
EXTECH EA80 Indoor Air Quality Meter Datalogger User Manual www.extech.com Introduction Congratulations on your purchase of the Extech EA80 Indoor Air Quality Meter. This meter measures Carbon Dioxide (CO2, ppm) levels, ambient Temperature and Relative Humidity (%RH). 16,200 readings can…
Brand: EXTECH
EXTECH RH101 Hygro Thermometer Plus InfraRed Thermometer User Manual

EXTECH RH101 Hygro Thermometer Plus InfraRed Thermometer User Manual

September 5, 2023
EXTECH RH101 Hygro Thermometer Plus InfraRed Thermometer User Manual Introduction Congratulations on your purchase of the Extech Hygro-Thermometer plus InfraRed Thermometer. This device measures relative humidity, air temperature (with probe), and surface temperature (with the InfraRed function). The large, easy-to-read…
Brand: EXTECH
Extech UV505 UV-AB Light Meter User Manual

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.
Brand: Extech
Extech UV505 UV-AB Light Meter User Manual

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.
Brand: Extech
Extech Electromagnetic Field Meter Model 480823 User Manual

Extech Electromagnetic Field Meter Model 480823 User Manual

User Manual • September 24, 2025
User manual for the Extech Electromagnetic Field Meter, Model 480823. This document details the meter's specifications, operation, battery replacement, EMF exposure information, warranty, and calibration services. It measures EMF in Gauss and Tesla units with a frequency bandwidth of 30 to 300Hz.
Brand: Extech
Extech EX330 Autoranging Mini Multimeter User Manual

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…
Brand: Extech
Extech RH300 Digital Psychrometer User Manual

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…
Brand: Extech
Extech HD400 Light Meter User Manual

Extech HD400 Light Meter User Manual

HD400 • July 11, 2025 • Amazon
The HD400 is a rugged light meter that measures a wide range to 4,000 Fc or 40,000 Lux using a precision silicon photo diode and spectral response filter with cosine and color corrected measurements. Peak mode (10 mS) captures highest reading, and…
Brand: Extech
Extech TB400 Portable Turbidity Meter User Manual

Extech TB400 Portable Turbidity Meter User Manual

TB400 • July 4, 2025 • Amazon
TB400 is a Portable Turbidity Meter that tests water, food, beverages and other aqueous solutions. Meter comes complete with all the accessories to conveniently test the turbidity of municipal water, food and beverage water, and other aqueous solutions where fluid clarity is…
Brand: Extech
Extech MO55 Combination Pin/Pinless Moisture Meter User Manual

Extech MO55 Combination Pin/Pinless Moisture Meter User Manual

MO55 • June 30, 2025 • Amazon
The MO55 is a combination pin/pinless moisture meter. Take quick moisture measurements on wood and building materials with choice of pin or pinless (non-invasive) Method. Easy-to-operate with display icons that indicate the levels of moisture content Plus audible alert feature. Ideal for…
Brand: Extech
Extech EC500 Waterproof ExStik II pH/Conductivity Meter User Manual

Extech EC500 Waterproof ExStik II pH/Conductivity Meter User Manual

EC500 • June 20, 2025 • Amazon
The Extech EC500 is a versatile, waterproof ExStik II meter designed for precise measurement of multiple water quality parameters. This single device integrates the functionality to measure Conductivity, Total Dissolved Solids (TDS), Salinity, pH, and Temperature. Its robust design and high-accuracy multi-ranging…
Brand: Extech