The Triplett HS10 Heat Stress WBGT (Wet Bulb Globe Temperature) Meter monitors indoor/outdoor heat index to help limit the danger of heat-related injury. It simultaneously displays Air Temperature, Humidity, and Wet Bulb Globe Temperature (WBGT) or Heat Index and updates every 20 seconds. Read More > DESCRIPTION The Triplett HS10 Heat Stress WBGT (Wet Bulb Globe Temperature) Meter monitors indoor/outdoor heat index to help limit the danger of heat-related injury. It simultaneously displays Air Temperature, Humidity, and Wet Bulb Globe Temperature (WBGT) or Heat Index and updates every 20 seconds. Features programmable audible and visual WBGT and Heat Index alarms with an adjustable audible alarm volume (75dB/60dB/mute)and 4 indicators that display heat stress alert level (Caution, Extreme Caution, Danger, Extreme Danger). An In/Out function switch measures WBGT with or without the effects of direct sunlight. °F/°C switchable. Wall mount for placing meter in a permanent position and tripod mount can be used to free-up your hands when taking measurements over an extended amount of time. Includes (2) AAA batteries and armstrap . 1-year warranty. For outdoor athletic training and events, construction, iron and steel foundries, brick firing plants, glass facilities, boiler rooms, mining sites, and other areas where heat index levels should be monitored. CATEGORY: ANEMOMETERS, DIGITAL LIGHT METERS, HUMIDITY METERS, SOUND METERS Features Monitors indoor/outdoor heat index to help limit the danger of heat-related injury Simultaneously displays Air Temperature, Humidity, and Wet Bulb Globe Temperature (WBGT) or Heat Index Display updates every 20 seconds Programmable audible and visual WGBT and Heat Index alarms Adjustable audible alarm volume (75dB/60dB/mute) 4 Indicators display heat stress alert level (Caution, Extreme Caution, Danger, Extreme Danger) In/Out function switch for measuring WGBT with or without the effects of direct sunlight °F/°C switchable Wall and Tripod mount Includes (2) AAA batteries and armstrap Tripod sold seperatly Specifications HS10 Air Temperature 32 to 122°F (0 to 50°C) Accuracy ±1°F/0.6°C Relative Humidity 0.1 to 99.9%RH Accuracy ±5%RH (10 to 90%RH) Globe Temperature 32 to 158°F (0 to 70°C) WBGT Temperature 32 to 122°F (0 to 50°C) WBGT Alarm range 68 to 122°F (20 to 50°C) Heat Index 32 to 140°F (0 to 60°C) Heat Index Alarm range 68 to 140°F (20 to 60°C) Black Ball diameter 1.6" (40mm) Power 2 AAA Batteries Dimensions 2.8 x 2.4 x 0.9" (70 x 60 x 22mm) Weight 3.2oz (90g) Downloads DatasheetUser Manual FAQs Q. Can the Triplett HS10 heat stress meter be used in zone 1/ex-zone?A. This product is not intrinsically safe and will not work in Zone 1/Ex-zone Q. Is there a specific calibration procedure for the HS10?A. NO. None of the parameters in the HS10 are adjustable Q. The specifications state the operating RH% is