Extech Instruments 407412 User Manual page 3

Range Specifications
Air velocity
Measurement
ft/min (feet/min)
m/s (meters/sec)
km/h (kilometers/hour)
mph (miles/hour)
knots (nautical miles/hour )
Temperature
Range
o o o
32 F to 122 F (0 C to 50
Relative Humidity
Range
10 to 70% RH
70 to 95% RH
Range
80 - 4921 ft/min
0.4 - 25.00 m/s
1.4 - 90.0 km/h
0.9 - 55.9 mph
0.8 to 48.6 knots 0.1 knots
Resolution
o o o
C) 0.1 F/ C
Resolution
0.1%
0.1%
3
Resolution Accuracy (% of reading)
1 ft/min ± (2% + 20 ft/min)
0.01 m/s ± (2% + 0.2 m/sec)
0.1 km/h ± (2% + 0.2 km/hr)
0.1 mph ± (2% + 0.2 mph)
± (2% + 0.2 knots)
Accuracy
o o
±1.5 F (±0.8 C)
Accuracy
±3% RH
±4% RH
Model 407412 Version 2.1 July 2006