HT605 digital anemometer portable high-precision air volume tester anemometer handheld wind speed measurement toolDescription:This is a professional digital anemometer with stable performance, safety and reliability. Widely used in wind energy, meteorology, industry, agriculture, hydrology and water conservancy, environmental protection, highways, airports and ports, etc. Data retention; backlight switch; MAX/MIN/AVG function; temperature unit selection; wind speed unit selection; automatic shutdown function. Specifications:Material: ABSSize: 137*56*26mmDisplay: LCD display, maximum display 9999Wind speed measurement: Range: 0.70 - 30.00 m/sSampling Time: about 0.5 seconds/timeSensor: impeller + bearingData retention: lock display readingWorking environment: 0-40C, maximum relative humidity 80%, altitude