13
Appendix A
Specifications
Specifications are subject to change without notice.
Velocity Probe:
Range:
0 to 6000 ft/min (0 to 30 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)
Duct Size:
Range:
1 to 250 inches in increments of 0.1 in. (1 to 635 cm in
increments of 0.1 cm)
Volumetric Flow Rate:
Range:
Actual range is a function of actual velocity, and duct size
Temperature from Velocity Probe:
Range:
14 to 140°F (-10 to 60°C)
Accuracy
3
: ±0.5°F
(±0.3°C)
Resolution: 0.1°F
(0.1°C)
Relative Humidity from Velocity Probe:
Range:
0 to 95% RH
Accuracy
4
: ±3%
RH
Resolution: 0.1%
RH
Wet Bulb Temperature from Velocity Probe:
Range:
40 to 140°F (5 to 60°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
Data Storage Capabilities:
Range:
12,700+ samples and 100 test IDs (one sample can contain
fourteen measurement types)
Logging Interval:
Intervals:
1 second to 1 hour
