B-5
APPENDIX B/ Technical Specifications
Phase
All channels are sampled simultaneously to preserve phase relationship.
Accuracy
: Voltage and Current phase accuracy dependent on Current Probe.
Power
Watts and PF accuracy dependent on type of current probe and amplitude level of
signal of current
Accuracy (at measuring inputs)
: ±0.2% of reading over ANSI C12.1 / C12.20 operating
range
Frequency
User selectable based on nominal frequency selection.
For Dranetz models HDPQ Xplorer, HDPQ Guide, HDPQ Visa:
• 30 - 70 Hz default, with up to 30% Vthd, 60-1000Vrms
• 15 - 30 Hz
Accuracy
: ±10 mHz of reading
For Dranetz model HDPQ Xplorer-400:
• 30 - 70 Hz default, with up to 25% Vthd
• 380 - 440 Hz (reduced accuracy with 32 samples/cycle)
Accuracy
: ±0.2% of reading
Environmental
All specifications are met over the operating range with influence factors as per IEC
61000-4-30 Class A.
Shop for Power Metering products online at:
1.877.766.5412
www.PowerMeterStore.com
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