Total Meter HT-9819 CFM/CMM风速气流计量表，数字LCD显示器

Type: Digital anemometer
Material: ABS
Power Supply: 1 x 9V Battery ( not included)
Display:Dual function 0.5" 4-digit LCD
Measuring range: 0.4-30.00m/s
Resolution: 0.01m / s
Accuracy: ± (3% + 0.20m / s)
Response time: 1S
Operating temperature:32°F~122°F(0°C~50°C)
Storage temperature:14°F~140°F(-10~60°C)
Operating humidity:<80%RH
Operating altitude: 2000 meters (7000ft) max
Dimensions: 50 x 8.5 x4cm (L x W x H)