Sanko Techno Black Globe Heatstroke Index Meter with Heatstroke Alarm, TT-562ST-N (JIS B 7922:2023 Compliant)

・Compliant with JIS B 7922 ・Informs you of heatstroke prevention guidelines with an alarm sound and numerical values ​​・Black globe design measures both solar radiation and radiant heat ▶Can be used indoors as well as outdoors, even in direct sunlight *Automatic indoor/outdoor switching function [Patent No. 6047801] ▶Displays WBGT values ​​even in the blazing sun ・Backlight makes it easy to see in dark places ・Includes ①Carabiner, ②Hanging attachment, ③Helmet battery cover, ④Tripod battery cover, ⑤Neck strap, ⑥Screwdriver for versatile portability Heatstroke prevention guidelines: 11 levels in 4 heatstroke prevention guidelines ("Caution," "Alert," "High Alert," "Danger") WBGT measurement range: 0.0 to 50.0°C in 0.1°C increments (0.0 and 50.0 will flash when out of measurement range) WBGT accuracy: 15.0 to 40.0°C ±2.0°C Ambient temperature (air temperature) measurement range: 0.0 to 50.0°C 0.1°C increments (0.0 and 50.0 flash when out of measurement range) Ambient temperature (air temperature) accuracy: 0.0 to 50.0°C (0±0.6°C) Humidity (relative humidity) measurement range: 20.0 to 90.0% 0.1% increments (20.0 and 90.0 flash when out of measurement range) Humidity (relative humidity) accuracy: 20.0 to 90.0% ±5.0% WBGT, ambient temperature, temperature measurement range interval: approximately once every 30 seconds Operating range: ambient temperature: 0°C to 50°C Operating range: humidity: 20% to 90% Operating range: wind speed: 0.3 to 3 m/s Warning alarm alarm duration: up to approximately 15 seconds (sound quality and duration vary for each warning level) Warning alarm alarm volume: 3 levels: 75 dB (loud), 65 dB (low), off Backlight: Yes (lights up for approximately 5 seconds) Power supply: 3 VDC (CR2032 coin-type lithium battery) Battery life: Approximately 3 months (when used 4 hours a day) *Designed for use at heights ranging from 90cm (waist) to 180cm (helmet). Outside this range, WBGT errors may be significant. *A helmet ben holder (sold separately) is required for helmet attachment. Dimensions and weight: D36 x W58 x H108mm, approximately 65g (including battery, hanging attachment, and carabiner) Main materials: Black ball, body: heat-resistant ABS, lens: PMMA, sensor cover: PP Accessories: Hanging attachment, carabiner, tripod battery cover, helmet battery cover, neck strap, screwdriver, trial battery (CR2032 x 1)