Introduction; Features; Meter Description - Extech Instruments FM100 User Manual

Introduction
Thank you for selecting the Extech Instruments Model FM100. The FM100 measures
Formaldehyde CH
feature alerts the user when the Formaldehyde 0.08ppm limit is exceeded.
The FM100 can be wall mounted or used as a table top device.
This device is shipped fully tested and calibrated and, with proper use, will provide years of
reliable service. Please visit our website (www.extech.com) for the latest version of this User
Guide, Product Updates, and Customer Care.
Features

Alternately displays Formaldehyde concentration, Air Temperature, and Relative
Humidity at 6‐second intervals

Bright multicolor LED displays green for safe HCHO levels, yellow for caution, and red for
danger

Alarm display icon and audible beeper alerts user when Formaldehyde concentration
limit of 0.08ppm is exceeded

Selectable Formaldehyde unit of measure ppm or mg/m

ZERO calibration function

Manual temperature and Relative Humidity compensation

Designed with electrochemical CH

Low battery indicator
Meter Description
1. Offset adjustment potentiometer
2. Control Button
3. AC Power Adaptor Port
4. LCD Display
5. Multi‐color LED Indicator
Note: Battery compartment, tilt stand,
and wall mount located on rear of
meter.
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O (HCHO) concentration, Air Temperature, and Relative Humidity. The alarm
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