PowerMetrix PowerMaster 3 Series - Page 152

Measurements
Calibrated Range
15W to 36kW
Power Quantities
Watts, VA, VAR, PF (multiple user selectable calculations)
Note: There is no US standard definition for VARs. We certify that
our measurements of VARs match the definitions in our
documentation to the specified accuracy.
Watts Accuracy (Direct)
± 0.05%
Watts Accuracy (Probes)
± 0.1% + E
probe
Energy Quantities
Whr, VAhr, VARhr (multiple user selectable calculations)
Whr Accuracy (Direct)
± 0.05%
Whr Accuracy (Probes)
± 0.1% + E
probe
Power Factor
-1.00 to 1.00
Harmonics
Up to 50th harmonic, user selectable
CT Ratio
0.3% with 0.3° phase error + E
probe
CT Burden
Range
Accuracy
20mV-500mV
500mV-5V
0.5% + 2mV noise
0.5%
PT Ratio
0.2% (no phase error specified) + E
probe
PT Burden
Range
Accuracy
1mA-10mA
10mA-20A
0.1%+ 200μA noise
0.1%
Definitions
System can calculate each quantity using a variety of user
selectable definitions. Either full spectrum or fundamental only
calculations are available.
Environmental
Temperature (Operating)
-20°C to +50°C (-4°F to 122°F)
Humidity
0% to 95% at 23°C, non-condensing
Communication
Meter Pulse Input
1 input; <12V
Standard Pulse Input
1 input; max 1MHz, <12V
Calibration Pulse Output
1 input; 1MHz max, 5V TTL
USB to PC Port
1 (for connectivity to PC/Laptop)
USB Ports for Peripherals
2 (for keyboard, mouse, barcode reader, memory
devices, etc.)
Ethernet Port
1 (for high speed connectivity)
RS232 Port
1 (for legacy devices)
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