Arbiter Systems Portable Power Sentinel 933A, Руководство по эксплуатации

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Accuracy, continued
Phase Angle, φ 0.01
◦
, phase-to-phase or voltage-to-current
1
Under range 0.05
◦
(current 10 to 50 mA rms)
VA, VAh 0.05% of reading
1
0.1% (current 10 to 50 mA rms)
VAR, VARh Same as W, Wh except replace PF with
√
1
−
P F
2
Power Factor 0 . 0002
×
sin ( φ )
1
0 . 001
×
sin ( φ ) (current 10 to 50 mA rms)
Harmonics 0.1% THD or 5% of reading, whichever is greater
Frequency < 1 ppm (0.0001%) of reading, 50 or 60 Hz
nominal, plus timebase error
System Phase 0 . 03
◦
+ [timebase error
×
360
◦
×
frequency]
2
System Time 1 µ s + [timebase error]
2
Event Inputs
±
10 µ s (typical)
1
For voltage 50 to 650 Vrms and current 50 mA to 20 Arms.
2
With GPS option.
Phasors
Standard Per IEEE Standard 1344 or PSCSV
Rate 20 Measurements/second
8.8 General
Physical
Size 205 x 305 x 225 mm (8 x 12 x 8.8 in.)
Weight 5.8 kg (12.8 lbs), maximum
Environment
Temperature -10
◦
to + 50
◦
C, Operating
-40
◦
to +75
◦
C, Nonoperating
Humidity Noncondensing
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