PCE Instruments 5855304 湿度计和湿度测量仪器

- Measures air flow velocity, volume flow, relative humidity, air temperature, dew point temperature and wet-bulb temperature- Air flow velocity range: 0.2 ... 30 m\/s (39.4 ... 5905.5 fpm)- Accuracy: ±(1.5% of measured value + 0.3 m\/s) when less than 20 m\/s, ±(3% of measured value + 0.3 m\/s) when more than 20 m\/s- Resolution: 0.1- Includes 2 x capture hoods (1 x round 210 mm \/ 8.3 in Ø, 1 x square 346 x 346 mm \/ 13.6 x 13.6 in) - 10 cm \/ 3.9 in Ø fan impeller- Easy-to-read backlit LCD- Display hold, average value, maximum value, minimum value, battery-saving automatic power off, low-battery indicator, and metric or imperial unit selection functions- incl. ISO Calibration Certificate