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e) Air temperature measurements
Measurement range ......................................... -30 to +60 °C
-22 to +140 °F
Resolution
.........................................................0.1 °C or °F
Accuracy ........................................................... 10 to +30 °C (50 to +86 °F): ±1 °C (±1.8 °F)
-30 to +9.99 °C (-22 to +50 °F): ±2 °C (±3.6 °F)
31 to +60 °C (88 to +140 °F): ±2 °C (±3.6 °F)
Units .................................................................°C/°F
f) Humidity measurements
Measurement range .........................................
0 % to 100 % (relative humidity)
Resolution
.........................................................
0.1 % (relative humidity)
Accuracy ...........................................................
±3.5 % (relative humidity)
g) Wind speed measurements (anemometer)
Measurement range ......................................... 0.40 - 30.00 m/s || 80-5900 ft/min || 1.4 - 108.0 km/h || 0.9 - 67.0 mph
|| 0.8 - 58.0 knots
Resolution
.........................................................0.01 m/s || 1 ft/min || 0.1 km/h || 0.1 Mph || 0.1 knots
Accuracy ...........................................................
± 3 % ± 0.20 m/s || ± 3 % ± 40 ft/min || ± 3 % ± 0.8 km/h
|| ± 3 % ± 0.4 mph || ± 3 % ± 0.4 knots
h)
Air flow rate measurements (CFM/CMM)
Measurement range .........................................0 - 999.900 CFM || 0 - 999.900 CMM
Resolution
.........................................................0.001 - 100 CFM || 0.001 - 100 CMM
Accuracy ...........................................................As a function of speed and surface area
