• Sound level measurement range: 35 to 130dB
• Sound level measurement accuracy: +/- 1dB@1kHz (Class 2)
• Air temperature measurement range: 32 to 122°F (0 to 50°C)
• Type K temperature measurement range: -58 to 2372°F (-50 to 1300°C)
• Relative humidity measurement range: 10 to 95%RH

The Triplett Model EM400 8-in-1 Environmental Meter measures Air Temperature, Humidity, Type K Temperature, Wet Bulb, Dew Point, Heat Index, Sound, and Light. Readings are displayed on the dual backlit LCD that automatically reverses when taking Light measurements. It features a concise and compact button arrangement for easy one-hand operation. Sound level readings meet IEC 61672-2013 class 2 sound level accuracy (±1dB@1kHz and the high precision humidity sensor has a fast response time. Temperature readings are °F/°C switchable. Min/Max records highest and lowest readings. Data Hold freezes the reading on the display. Auto power off with disable conserves battery life. The built-in tripod mount can be used to free-up your hands when taking measurements over an extended amount of time. Includes Type K Temperature bead probe, windscreen, (3) AAA batteries, and wrist strap. 1-year warranty.