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0.75 ppm
0.80 ppm
2.00 ppm
KEY FEATURES
• Electrochemical sensor measures real-time formaldehyde
gas concentration from 0 to 5 ppm with ±5% accuracy and
0.01 ppm resolution
• Also tracks, calculates and displays three cumulative
formaldehyde gas metrics: 8-hour TWA (time-weighted
average), 1-hour average, and 15-minute STEL (short-term
exposure limit)
• One-button calibration to 0 ppm in fresh air
• User-adjustable high concentration audible alarm threshold
• Also measures relative humidity (RH) and temperature in
°F or °C
• Manually offsetable long-term drift of temperature and RH
accuracy
• Min/Max memory and data hold
• Large backlit dual-readout LCD
• 15-minute Auto Power Off (can be disabled)
• Low battery indication
• Tripod mount
• Powered by (4) "AAA" batteries
• CE and RoHS approved
• 2 year limited warranty
OSHA's 15-minute time-weighted average
(TWA) limit
Level at which most people first detect odor
OSHA's STEL limit
7
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