11
Appendix A
Specifications
Specifications are subject to change without notice.
Velocity:
Range:
0 to 9999 ft/min (0 to 50 m/s)
Accuracy
1&2
:
±3% of reading or ±3 ft/min (±0.015 m/s),
whichever is greater
Resolution:
1 ft/min (0.01 m/s)
Temperature:
Range:
14 to 140°F (-10 to 60°C)
Accuracy
3
: ±0.5°F
(±0.3°C)
Resolution: 0.1°F
(0.1°C)
Instrument Temperature Range:
Operating (Electronics): 40 to 113°F (5 to 45°C)
Operating (Probe):
14 to 140°F (-10 to 60°C)
Storage:
-4 to 140°F (-20 to 60°C)
Instrument Operating Conditions:
Altitude up to 4000 meters
Relative humidity up to 80% RH, non-condensing
Pollution degree 1 in accordance with IEC 664
Transient over voltage category II
External Meter Dimensions:
4.2 in.
×
7.2 in.
×
1.5 in. (10.7 cm
×
18.3 cm
×
3.8 cm)
Meter Weight:
Weight With Batteries:
0.6 lbs (0.27 kg)
Meter Display Dimensions:
4-digit LCD, 0.6 inches (15 mm) digit height
Power Requirements:
Four AA-size batteries (included)
1
Temperature compensated over an air temperature range of 40 to 150°F (5 to 65°C).
2
The accuracy statement of ±3.0% of reading or ±3 ft/min (±0.015 m/s), whichever is greater,
begins at 30 ft/min through 9999 ft/min (0.15 m/s through 50 m/s).
3
Accuracy with instrument case at 77°F (25°C), add uncertainty of 0.05°F/°F (0.03°C/°C) for
change in instrument temperature.