13
Appendix A
Specifications
Specifications are subject to change without notice.
Static / Differential Pressure:
Range
1
:
-15 to +15 in. H
2
O (-28.0 to +28.0 mm Hg, -3735 to
+3735 Pa)
Accuracy:
±1% of reading ±0.005 in. H
2
O (±0.01 mm Hg, ±1 Pa)
Resolution:
0.001 in. H
2
O (0.1 Pa, 0.01 mm Hg)
Velocity From a Pitot Tube:
Range
2
:
250 to 15500 ft/min (1.27 to 78.7 m/s)
Accuracy
3
:
±1.5% at 2000 ft/min (10.16 m/s)
Resolution:
1 ft/min (0.1 m/s)
Duct Size:
Range:
1 to 500 inches in increments of 0.1 in.
(2.5 to 1270 cm in increments of 0.1 cm)
Volumetric Flow Rate:
Range:
Actual range is a function of actual velocity, pressure,
duct size, and K factor
Instrument Temperature Range:
Operating:
40 to 113°F (5 to 45°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
Logging Interval:
Intervals:
1 second to 1 hour
Time Constant:
Intervals:
User selectable
External Meter Dimensions:
3.3 in.
7.0 in.
1.8 in. (8.4 cm
17.8 cm
4.4 cm)
Meter Weight:
Weight with batteries:
0.6 lbs (0.27 kg)
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