<br> Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life.<br> Features:<br> Measurement of wind speed, air volume and temperature.<br> Wind cold indicator.<br> It has a low battery indicator and data hold function.<br> Switch wind speed units (mph, km/h, m/s, ft/min, knot).<br> Real-time measurement of wind speed and average wind speed.<br> Measurement of maximum wind speed and minimum wind speed.<br> Switch between Fahrenheit and Celsius unit.<br> Timed automatic shutdown (automatic shutdown after 10 mins of no button operation).<br> With LED light for easy use in dark environments.<br> Widely used in electric power, meteorology, iron and steel, petrochemical, energy saving and other industries. And it is also suitable for sailing, rowing, heating, ventilation, air conditioning, agriculture, sea fishing industry, all kinds of fan manufacturing, the need for exhaust system industry and so on.<br> Specification:<br> Material: ABS<br> Color: black, black+red (optional)<br> Units: CFM, CMM, ℃/℉, mph, km/h, m/s, ft/min, knot<br> Wind velocity measurement:<br> Measurement range:<br> m/s: 0~30<br> ft/min: 0~5860<br> knot: 0~55<br> km/h: 0~90<br> mph: 0~65<br> Resolution:<br> m/s: 0.01<br> ft/min: 1.968<br> knot: 0.019<br> km/h: 0.036<br> mph: 0.022<br> Threshold:<br> m/s: 0.3<br> ft/min: 60<br> knot: 0.6<br> km/h: 1<br> mph: 0.7<br> Accuracy:<br> m/s: ±5±0.1<br> ft/min: ±5±20<br> knot: ±5±0.2<br> km/h: ±5±0.4<br> mph: ±5±0.2<br> Wind flow range:<br> CMM: 0-999900m³/min<br> CFM: 0-999900ft³/min<br> Range:<br> CFM (FT³/MIN): 0-999900<br> CMM (M³/MIN): 0-999900<br> Resolution:<br> CFM (FT³/MIN): 0.001-100<br> CMM (M³/MIN): 0.001-100<br> Area:<br> CFM (FT³/MIN): 0.001-9999<br> CMM (M³/MIN): 0.001-9999<br> Wind temperature measurement:<br> Measurement range:<br> ℃: -10℃~+45℃<br> ℉: 14℉~113℉<br> Resolution:<br> ℃: 0.1<br> ℉: 0.2<br> Accuracy:<br> ℃: ±2℃<br> ℉: ±3.6℉<br> Battery: 1 * 9V battery (not included)<br> Temperature sensor: negative temperature coefficient resistance<br> Operating temperature: -10℃~+45℃ (14℉~113℉)<br> Operating humidity: less than 90RH<br> Storage temperature: -10℃~+50℃ (14℉~122℉)<br> Current consumption: about 6mA<br> Item size: 165 * 85 * 39mm / 6.5 * 3.3 * 1.5in<br> Item weight: 148g / 5.2ounce<br> Package size: 175 * 125 * 50mm / 6.9 * 4.9 * 2.0in<br> Package weight: 240g / 8.5ounce<br> Package list:<br> 1 * Anemometer<br> 1 * User Manual<br>