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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.

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Extech manuals

Latest manuals from manuals+ curated for this brand.

EXTECH PH90 Waterproof pH-Temperature Meter User Manual

EXTECH PH90 Waterproof pH-Temperature Meter User Manual

January 29, 2023
Waterproof pH/Temperature Meter  Model PH90  USER MANUAL Introduction Thank you for selecting the Extech Model PH90 waterproof pH/Temperature meter. This instrument is equipped with a flat surface pH electrode (model pH95)…
EXTECH ET23B Low Voltage Tester User Manual

EXTECH ET23B Low Voltage Tester User Manual

January 23, 2023
ET23B Low Voltage Tester User Manual OPERATION To check a circuit for voltage, connect the test leads to the electrical contacts or conductor to be tested. If voltage is present,…
EXTECH PH220 Waterproof Palm pH Meter User Manual

EXTECH PH220 Waterproof Palm pH Meter User Manual

January 14, 2023
EXTECH PH220 Waterproof Palm pH Meter Introduction Congratulations on your purchase of the Extech PH220 waterproof pH/mV meter. This microprocessor-based device with tactile push-buttons is battery operated and ideal for…
EXTECH ET26B 4 Way Circuit Tester User Manual

EXTECH ET26B 4 Way Circuit Tester User Manual

January 13, 2023
EXTECH ET26B 4 Way Circuit Tester OPERATION To check a circuit for voltage, insert the test leads into outlet or carefully touch test leads to the electrical contacts or conductor…
EXTECH MO25 Moisture Meter User Guide

EXTECH MO25 Moisture Meter User Guide

December 8, 2022
MO25 MOISTURE METER USER GUIDE Introduction The MO25 measures moisture (%WME) in wood, brick, concrete, paper, & fabric and traces leakage inside walls, ceilings, and floors. Description Contact pins (replaceable)…
EXTECH 45158 Mini Hygro Thermo Anemometer User Manual

EXTECH 45158 Mini Hygro Thermo Anemometer User Manual

December 7, 2022
EXTECH 45158 Mini Hygro Thermo Anemometer User Manual Introduction Congratulations on your purchase of Extech’s Model 45158 Anemometer. The dual display indicates Air Velocity and Humidity, Dew Point, Ambient Temperature,…
EXTECH SL250W Sound Level Meter User Guide

EXTECH SL250W Sound Level Meter User Guide

November 16, 2022
EXTECH SL250W Sound Level Meter Introduction Thank you for selecting the Extech SL250W Sound Meter. This meter meas-ures sound level with its built-in microphone, situated at the top of the…