Lutron Electronics EM-1900 Manual page 5

2-2 Electrical Specification ( 23 ±5℃ )
Air velocity
Unit Range
ft/min 80 to 3937 ft/min
m/s 0.4 to 20.0 m/s
km/h 1.4 to 72.0 km/h
MPH 0.9 to 44.7 mile/h
knots 0.8 to 38.8 knots
Temp. 0 to 50 ℃
32 to 122 ℉
Remark :
ft/min : feet per minute
m/s : meters per second
km/h : kilometers per hour
Humidity/Temp.
Unit Range
% RH 10 to 95 %RH
Temp. 0 to 50 ℃
32 to 122 ℉
Light
* auto range
Unit Range
Lux 0 to 2,200 Lux
1,800 to 20,000 Lux
Ft-cd 0 to 204.0 Fc
170 to 1,860 Fc
Remark : Ft-cd : feet candle
Resolution
1 ft/min
0.1 m/s
0.1 km/h
0.1 MPH
0.1 knots
0.1 ℃
0.1 ℉
MPH : miles per hour
knots : nautical miles per hour
Resolution Accuracy
0.1 %RH < 70% RH :
±4 %RH
≧
±( 4 % rearding +1.2 %RH)
0.1 ℃ ±1.2 ℃
0.1 ℉ ±2.5 ℉
Resolution
1 Lux
10 Lux
0.1 Ft-cd
1 Ft-cd
3
Accuracy
≦ 20 m/s : ±3% F.S.
Max. : 25 m/s
70% RH :
Accuracy
±5% readding ±8 dgt