TK286PLUS Handheld WBGT Meter, Wet Bulb Globe Temperature Meter, Heat Stroke Prevention Meter

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Specifications: Measurement Range Air Temperature: 0~50°C (32~122°F) Globe Temperature: 0~80°C (32~176°F) WBGT Temperature: 0~50°C (32 ~ 122°F) Humidity: 0~100%RH Accuracy Air Temp erature: ±0.6°C Globe Temperature: Indoor: ±1°C (15~40°C) ±1.5°C (others) Outdoor: ±1.5°C (15~40°C) ±2°C (others) Humidity: ±3% (10~90%RH) ±5% (other range) Resolution: 0.1°C / °F, 0.1%RH Response Time: 15 minutes typical Memory Size: 12000 records WBGT Formula Indoor/Outdoor and no sun: WBGT=0.7WB + 0.3TG Outdoor and full sun: WBGT=0.7WB + 0.2TG + 0.1TA WBGT Indicator No backlight: below 26.7°C (80.06°F) Green backlight / Caution: 26.7~29.4°C (80.06~84.92°F) Yellow backlight / Extreme caution: 29.4~31°C (84.92~87.8°F) Red backlight / Danger: 31 ~ 32.2°C (87.8~89.96°F) Red Flashing backlight / Extreme danger: Above 32.2°C (89.96°F) Black Ball Size: approx. 75 (D) x 75 (H) mm Meter Size: approx. 75 (H) x 75 (W) 278.2 (L) mm Battery life: approx. 1000 hours (Alkaline) without beep/backlight/logging. Set comes with: 1 x Heat Stress Meter 4 x AAA Size 1 x Mini USB Instruction Manual Standard Factory Packaging Show more