SHIJIN Anemometer & Heat Stress Meter, Digital Handheld Wind Meter Measures Wind Speed, Wet Bulb Globe Temperature, Humidity, Wind Temp, Outdoor Heat Index Monitor with Alarm, HVAC Wind Gauge Gas Detector

Powerful 4-in-1 Anemometer：This isn't just a wind speed meter — it's a multi-function weather meter! Effortlessly measure wind velocity (0-30 m/s, ±5% accuracy), WBGT/black globe temperature, ambient temp (0-50℃, ±0.6℃ accuracy), and humidity (0.1%-99.9%RH) Smart Heat Index Monitoring Device：Equipped with advanced heat index tracking, this wet bulb thermometer's screen features four distinct levels of heat stroke danger indicators based on WBGT values, enabling you to prevent injuries in hot environments Instant Safety Alarm System：Easily customize your alarm temperature! When WBGT reaches the set limit, the heat stress meter triggers an instant audible beep and flashing red backlight, prompting you to act immediately against dangerous heat stress levels Multiple Unit Switching for Convenience: This cfm meter supports five wind speed units (m/s, ft/min, knots, km/h, mph) and two temp units (℃/℉). This flexibility makes it easy to use in different scenarios, catering to various measurement preferences User-Friendly Design: This hvac anemometer features a backlight that navigates any lighting condition, a portable bag for easy carrying, and an auto-power-off function to conserve battery life. It’s like having a thoughtful assistant that prioritizes your convenience and efficiency Endless Applications: Suitable for HVAC systems, iron/steel foundries, boiler rooms, marathons, beach activities, drone flying, hunting, sailing, and more. This airflow meter is an ideal tool to help you monitor wind speed or heat stress effectively