General Tools FD08

Product Features:

• The electrochemical sensor measures real-time formaldehyde gas concentration with accuracy and resolution that meet the U.S. National Institute for Occupational Safety and Health's (NIOSH's) acceptance criterion
• Also tracks, calculates and displays three cumulative formaldehyde gas metrics: the 8-hour TWA (time-weighted average), the 1-hour average, and the 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
• Manually offsettable long-term drift of temperature and RH accuracy
• Min/Max memory and data hold
• Large backlit dual-readout LCD
• °F/°C switch
• Auto power off (can be disabled)
• Tripod mount