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 (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 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, 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 (one sample can contain
fourteen measurement types)
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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