💖【Multifunctional】Not Just a digital anemometer, but also a handheld heat stress meter to check black ball temperature, ambient temperature and humidity. One-button to switch it into an anemometro or heat stess monitor mode.BT-881W could measure windspeed 0~30m/s, test wind temperature 0~50℃，monitor relative humidity 0.1%~99.9%RH, check WBGT temperature 32~122°F(Celsius Fahrenheit Switchable) 💖【High Accuracy】With built-in upgraded wind monitor and temp sensor, this portable WBGT heat stress monitor could test air flow with high accuracy of ±5%, 0.1%RH resolution for humidity, ±0.6℃ accuracy and 0.1℃/℉ resolution for temperature.Supports MAX/MIN wind speed measurement modes, smart anemometro for HVAC maintenance, drone driving and dust collection system etc. 💖【Portable WBGT monitor】Not only test Wet Bulb Globe Temperature (WBGT),but also alert you with WBGT alarms when black globe temperature (TG) level reaches 20~50℃. Supports Indoor/ Outdoor WBGT measurement modes, to avoid temperature, humidity and direct or radiant sunlight difference and get more accurate heat stress index. Available in boiler room, mining area, military training and marathon outdoor activities etc. 💖【Easy to Use】Supports 5 air velocity units(m/s, Ft/min, Knots, Km/h, Mph) and 2 temperature units(Celsius Fahrenheit degree)option. Data hold button to lock and freeze measurement data. Backlit LCD display and auto power off thoughtful features to help you get use of this wind speed gauge WBGT tester easily. 💖【Calibrated Anemometre】All BTMETER electrical products have been strictly calibrated before shipment. Quality wbgt thermometer wind meter BT-881W comes with 365 days warranty quality and lifetime technical supports. Just feel relax to place order and get it for your outdoor hiking camping or household AC system air vent balance :)

• 💖【Easy to Use】Supports 5 air velocity units(m/s, Ft/min, Knots, Km/h, Mph) and 2 temperature units(Celsius Fahrenheit degree)option. Data hold button to lock and freeze measurement data. Backlit LCD display and auto power off thoughtful features to help you get use of this wind speed gauge WBGT tester easily.
• 💖【Calibrated Anemometre】All BTMETER electrical products have been strictly calibrated before shipment. Quality wbgt thermometer wind meter BT-881W comes with 365 days warranty quality and lifetime technical supports. Just feel relax to place order and get it for your outdoor hiking camping or household AC system air vent balance :)

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