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Extech Manuals & User Guides

Extech Instruments is a leading manufacturer of handheld test and measurement tools, including multimeters, clamp meters, thermometers, and environmental testers.

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

Extech Support

Official site: https://www.extech.com
General support: https://support.flir.com
Warranty & registration: Warranty info · Register a product
Support phone: +1 781-890-7440 — Monday–Friday, 9:00 AM – 5:00 PM EST
Support email: support@extech.com
Contact form: Contact manufacturer support

Extech manuals

Latest manuals from manuals+ curated for this brand.

Extech CO210 CO2 Monitor and Datalogger User Manual

user manual

Comprehensive user manual for the Extech CO210 Carbon Dioxide Monitor and Datalogger, covering operation, setup, calibration, specifications, troubleshooting, and CO2 level guidelines.

Extech CO100 Desktop Indoor Air Quality Monitor User Manual

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User manual for the Extech CO100 Desktop Indoor Air Quality Monitor, detailing its features, operation, specifications, and maintenance for measuring CO2, temperature, and humidity.

Extech 445713 Big Digit Indoor/Outdoor Hygro-Thermometer User Guide

User Guide

User guide for the Extech 445713 Big Digit Indoor/Outdoor Hygro-Thermometer, detailing specifications, operation, maintenance, warranty, and support services.

Extech PQ3470 User Guide: 3-Phase Power and Harmonics Analyzer

User Guide

Comprehensive user guide for the Extech PQ3470, detailing its features, specifications, and operation for 3-phase power and harmonics analysis and data logging.

Extech UM200 Micro-Ohmmeter User Manual - Features and Specifications

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User manual for the Extech UM200 Micro-Ohmmeter, detailing its features, operation, specifications, and maintenance. Ideal for measuring low resistances in various materials.

Extech 445703 Big Digit Hygro-Thermometer User Manual

User Manual

User manual for the Extech 445703 Big Digit Hygro-Thermometer, detailing operation, specifications, and battery replacement for accurate temperature and humidity monitoring.

EXTECH RHT20 Humidity & Temperature Datalogger User Manual

User Manual

User manual for the EXTECH RHT20 Humidity & Temperature Datalogger, covering meter description, operation, software installation, maintenance, specifications, and warranty information.

EXTECH 45170 4-in-1 Humidity, Temperature, Airflow, and Light Meter User Manual

User Manual

User manual for the EXTECH 45170, a 4-in-1 meter measuring humidity, temperature, airflow, and light. Includes operation, specifications, and warranty information.

Extech CO220 User Manual: CO2 Monitor and Datalogger Guide

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Comprehensive user manual for the Extech CO220 Carbon Dioxide Monitor and Datalogger. Learn about features, operation, specifications, troubleshooting, and CO2 guidelines for indoor air quality monitoring.

Extech DT40M, DT60M, DT100M Laser Distance Meter User Manual

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Comprehensive user manual for Extech DT40M, DT60M, and DT100M Laser Distance Meters, covering features, operation, safety, specifications, and troubleshooting.

Extech CO10 Carbon Monoxide Meter User's Guide

User's Guide

User's guide for the Extech CO10 Carbon Monoxide Meter, detailing its features, operation, safety information, and specifications for measuring CO concentrations from 0 to 1000 ppm.

Extech 407790A Real Time Octave Band Analyzer User Manual

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Comprehensive user manual for the Extech 407790A Real Time Octave Band Analyzer and Sound Level Meter. Covers features, operation, setup, measurement procedures, data logging, specifications, and calibration for accurate noise…