Professional handheld anemometer has good size, durable, high sensitivity, high accuracy and so on. Multiple units of measure can be converted freely, to help you perform well wind speed, air flow, air temperature measurements. With a 45 m / s wind speed measurement. It can be widely used in scientific experiments, environmental monitoring, marine operations, flight operations, manufacturing all kinds of fans, ventilation and air conditioning systems. Features a high quality meter anemometer, high sensitivity and accurate measurement of 2, simple design 3, wind speed measurements can be separated from the handle body to facilitate the measurement of 4, 5 dual display LCD readout, wind speed measured by two meters extendable spiral Line 6, 7 low power consumption, data retention anemometer, maximum and minimum hold function 8, low battery indicator 9, bearing: sapphire bearing 10, the temperature sensor: K-type thermocouple 11, Operating Temperature: 0 to 50 ℃ (32 ~ 122 ℉) 12, Operating Humidity: <80% RH13, Storage temperature: -40 ℃ ~ 60 ℃ (-40 ℉ ~ 140 ℉) 14, Battery Type: 9V15, battery life: 50 hours (300mA- hrs battery) 16, the average wind speed measured time: m / s about 0.6secknots about 1.2seckm / hr about 2.2sec17, size: anemometer: 150 × 72 × 35 (mm) fan: 66 × 132 × 29.2 (mm) 18 , Weight: 350g (battery included) 19, Accessories: Instructions 1, 9V battery a wind anemometer abacus, NTC temperature sensor, infrared temperature probe, leather case and box Qingdao DT-8880 is a thermal anemometer a complex and sophisticated instruments, will make a new step towards your field of precision measurement step. Accuracy and slender probes, so your measurement is more handy. 1, thermal anemometer for measuring wind speed 2 low, slender probe is suitable for measuring 3 grid or small space, thermal and standard assembly thermal resistance, even at low wind speed can still maintain fast and accurate measurement of 4, record and recall the maximum and minimum reading 5, the microprocessor ensure the greatest possible accuracy and provides special functions and features 6, large backlit LCD display, you can read wind speed, air flow and temperature 7 functions wind speed: m / s, km / h smart pressure anemometer, ft / min, MPH anemometer, Knots; 2 种 Flow: CFM, CMM8, built-in thermal resistance temperature sensor for measuring the temperature of fast response, selectable units ℃, ℉ hand-held anemometer, anemometer Golden Section instruments provided by the Qingdao Branch of the Instrument Co., Ltd. Qingdao Branch of the Instrument Co., Ltd. (www.qdjk17.com) strong, credible, in Qingdao, Shandong analytical instruments industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinke instrument into the brilliant and you work for a better future!