EXTECH INSTRUMENTS
2
FM300-en-GB_V1.9 3/17
Introduction
Thank you for selecting the Extech Instruments Model FM300, this meter was designed with
electrochemical vented ball sensor technology for quickly detecting HCHO or CH
2
O gas. 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) to check for the latest version of this User Guide,
Product Updates, and Customer Support.
Features
•
Large four-tiered LCD Simultaneously displays Formaldehyde concentration, Air Temperature,
and Relative Humidity with Date and Time
•
Desktop style with audible HCHO (CH
2
O) alarm
•
Three display (face) icons for HCHO (CH
2
O) concentration level (good , fair or poor)
•
Latest smart technology for measuring HCHO (CH
2
O) concentrations
•
Easy to use, intended for indoor air quality purposes
•
Bright LED representing Recording mode (Green light) and Alarm trip (Red light)
•
TWA (8-hour time-weighted average) and STEL (15-minute short term exposure limit)
•
99 data point memory (01-99) with recall and clear functions
•
Min/Max utility shows highest and lowest readings at a glance
•
User adjustable HCHO concentration Alarm limit (default 0.08 ppm)
•
Electrochemical HCHO sensor, measures concentrations up to 5.00 ppm
•
Includes Universal AC adaptor (100-240V) for US, EU, UK, and AUS plug types
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