Sato Keiki Seisakusho Black Ball Type Portable Heatstroke Meter 122mm Co., Ltd. SK-181GT

---------------------------------------------------------------------- Measuring people, the earth, and the future. 《Specifications》 Measurement range: Heat index (WBGT) 0.0-50.0℃, Temperature 0.0-50.0℃, Humidity 10.0-95.0%rh, Black bulb temperature (not displayed) 0.0-60.0℃ Measurement accuracy: Heat index (WBGT) ±2.0℃ (20.0-40.0℃)/±3.0℃ (other), Temperature ±0.6℃(20.0-40.0℃)/±1.0℃(Others), Humidity ±5.0%rh(30-90%rh, at 20-30℃)/±7.0%rh(Others) Power source: Coin-type lithium battery (CR2032) 2 pieces (parallel connection) Dimensions: Main body (W x H x D) Approx. 60 x 122 x 25 mm/Black bulb φ40 mm Weight: Approx. 70g (including battery) ■Accessories: 1 instruction manual, 2 coin-type lithium batteries (CR2032) (for monitor), 1 neck strap, 1 carabiner, 1 belt attachment part, 1 key ring 《Features》 ●Electronic wet bulb globe temperature (WBGT) index meter This product complies with JIS B 7922:2023 Class 2. ●It measures radiant heat (heat due to sunlight and reflection from the ground) using a black bulb, and performs accurate environmental measurements that take into account "black bulb temperature," "temperature," and "humidity." ●Compatible with two heatstroke prevention guidelines, and displays the heatstroke caution level of the selected guideline in a bar graph.