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WBGT, black ball temperature (TG), dry bulb temperature (TA), humidity (%RH), dew point (DEW), wet bulb temperature (WET) measurements.
Maximum, minimum, average, and read lock (HOLD). Low voltage indication.
°C or °F unit selection adn WBGT alarm settings.
Auto power off function and automatic power off cancel function.
Brass black balls are 50mm in diameter and Manual data recording (50 pens) and reading.
This instrument is ideal for the athletic trainers, military, occupational (Industrial) hygienists, outdoor worker and the sports medicine specialists; and it\'s designed according to the regulations mentioned below.(Use WBGT heat and heat meter to monitor the heat index) - Pay attention to the WBGT value of work/drilling/sports environment, prevent people from heatstroke, syncope, fainting accidents, and affect people's health. - Suitable for monitoring in hot workplaces, factories/worksites/playgrounds/sports/drilling grounds. - With WBGT alarm value setting function and reading value / maximum value / minimum value locking function. In order to correctly measure the WBGT value. Comprehensive Thermal Index (WBGT): Indoor & Outdoor No Sunlight: 0°C~59°C ±1.0 (32°F~138°F ±1.8) Resolution 0.1. Outdoor sunlight: 0°C~56°C ±1.5 (32°F~132°F ±2.7) resolution 0.1. Indoor & Outdoor No Sunlight: WBGT = (0.7xWET) + (0.3xTG). Outdoor sunlight: WBGT = (0.7xWET) + (0.2xTG) + (0.1xTA). Dry bulb humidity (TA): 0°C ~ 50°C ± 0.8 (32°F ~ 122°F ± 1.5) resolution 0.1. Black ball humidity (TG): 0°C ~ 80°C ± 0.6 (32°F ~ 176°F ± 1.1) resolution 0.1. Dew point temperature (DEW): -35.3°C ~ 48.9°C (-31.5°F ~ 120.1°F ) resolution 0.1. Wet bulb temperature (WET): -21.6°C ~ 50°C (-6.9°F ~ 122°F) resolution 0.1,The value is calculated from the RH and air temperature. In order to measure the WBGT index, you should refer to the following regulations: ISO7243:Environmental Thermal Stress Assessment of the operator's thermal load according to the WBGT Index. ISO7726:Ergonomics of the Thermal Environment - Physical Measurement Instruments. OSHA:US Occupational Safety and Health regulations. JISHA:International standards such as the Japanese Occupational Health Association. Display update rate:1 time per second. Power:1x9V battery (not included) or AC100~240V to DC9V/0.5A (9mm).