User Manual
Formaldehyde Thermo-Hygrometer
Model FM200
Additional User Manual Translations available at www.extech.com
EXTECH INSTRUMENTS
Introduction
Thank you for selecting the Extech Instruments Model FM200. The FM200 measures
Formaldehyde CH2O (HCHO) concentration, Air Temperature, and Relative Humidity. The alarm
feature alerts the user when the Formaldehyde 0.08ppm limit is exceeded.
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,
Features
• Measures Formaldehyde, Temperature, and Relative Humidity
• Built-in fan to quickly intake gas via pliable tube
• Pliable tube available for restricting samples
• Triple line, large LCD display
• Display Backlight function for working in dimly lit areas
• Automatic temperature compensation
• Hold function freezes current readings
• Store and recall maximum and minimum readings
• Self-calibration feature
• Auto power off after 15 minutes of inactivity conserves battery energy
• HCHO high alarm threshold setting with audible beeper
• Electrochemical sensor, capable of measuring up to 5ppm of HCHO
• Tripod mount on sensor and meter
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EXTECH INSTRUMENTS
Meter Description
1. LCD Display
2. HOLD/
3. MODE/ Left Arrow Button
4. SET Button
5. AC adaptor jack
6. Tripod mount (detachable probe also has a
Tripod mount)
7. Probe connection
8.
9. MAX-MIN/ Right arrow
10. UNIT Button
11.
12. Inlet/Outlet ports for tubing
13. Detachable Probe
14. Probe LED indicators
: Battery compartment located on back of the meter. A tripod mounting port is available on
Note
the back of the external probe.
Up Arrow Button
(Power) Button
Down Arrow / Backlight Button
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