14
Appendix A
Time Constant:
User selectable
Response Time:
Velocity: 200
msec
Temperature:
2 minutes (to 66% of final value)
Humidity:
<1 minute (to 66% of final value)
External Meter Dimensions:
3.3 in.
×
7.0 in.
×
1.8 in. (8.4 cm
×
17.8 cm
×
4.4 cm)
Meter Probe Dimensions:
Probe length:
40 in. (101.6 cm)
Probe diameter of tip:
0.28 in. (7.0 mm)
Probe diameter of base: 0.51 in. (13.0 mm)
Articulating Probe Dimensions:
Articulating section length:
7.8 in (19.7 cm)
Diameter of articulating knuckle: 0.38 in (9.5 mm)
Meter Weight:
Weight with batteries:
0.6 lbs (0.27 kg)
Power Requirements:
Four AA-size batteries (included) or AC adapter (optional) 9 VDC, 300 mA,
4-18 watts (input voltage and frequency vary depending on which adapter is
used)
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 6000 ft/min (0.15 m/s through 30 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.
4 Accuracy with probe at 77°F (25°C). Add uncertainty of 0.1% RH/°F (0.2% RH/°C) for
change in probe temperature. Includes 1% hysteresis.
