Specifications of the test object and normal humidity, wind speed range of air flow under atmospheric pressure 0.05 ~ 30.0m / s precision 0.05 ~ 5.00m / s: ± (reading 3% +0.1) m / s; 5.0 ~ 30.0m / s: ± (reading of 3% +0.2) m / s resolution 0.01m / s responsiveness ≤3s display the remaining battery level, work status, display hold, unit selection Dimensions 210 × 97 × 57 mm Power 4 AAA alkaline AAA battery Temperature range -10 ℃ ~ 40 ℃ Humidity ≤90% RH Storage temperature range -10 ℃ ~ 50 ℃ weight ≯700g accessories Operating Instructions, seismic boxes, battery design is more ergonomic shape, with the appearance of patent probe plus black handle system, host integration leads anemometer probe Jinke professional equipment sales, not damaged; flexible digital front-end portable hot bulb anemometer, convenient hot bulb anemometer measurements, the probe tip is arranged dust pouches probe scalable, longest 120cm systems to improve system performance and stability anemometer hot bulb ZRQF-30J, a generation ago to solve the phenomenon of death, with the computer automatically error function combustible gas tester reaction time: 2 seconds Warm-up time: about 60 seconds (25 ℃ , 60% RH environment) Continuous working time: 8 hours (with a slight change in job status) Low power indication: 3 ± 0.2V Operating Temperature: 0 ~ 52 ℃ control probe reset function can detect power indicator, alarm indicator Features Power: 3 * 1.5V LR14 batteries Dimensions: 76 * 49 * 220MM TEUs Quantity: 20PCS Standard Carton Size: 51.1 * 37.4 * 28.5CM TEUs GW: 14.4KG anemometer Jinke professional instrument sales, Jinke instrumentation (certified), hot bulb anemometer provided by Qingdao Branch of the Instrument Co., Ltd.. Qingdao Branch of the Instrument Co., Ltd. (www.qdjk17.com) is Qingdao, a leader in analytical instruments, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Branch of the Instrument in leadership with the staff warmly welcome all inquiries negotiations to create Branch instrumentation a better future.