ACR Electronics PowerWatch Reference Manual page 15

Surge, Sag & Outage Measurement
Model number:
Hot to Neutral
Range:
Accuracy:
Resolution:
Neutral to ground
Range:
Accuracy:
Resolution:
Model number:
Hot to Neutral
Range:
Accuracy:
Resolution:
Neutral to ground
Range:
Accuracy:
Resolution:
* sags less than 70V for >1 sec will be reported
as øV
** sags less than 140V for >1 sec will be reported
as øV
Impulse Measurement
Model number:
Range
Hot to Neutral:
Neutral to Ground:
Accuracy:
Resolution: 10V
Width Detection:
Phase Angle
Accuracy:
Resolution:
Frequency Measurement
Range:
Accuracy:
Resolution:
Time Measurement
Events <1 second
Accuracy
Hot to Neutral:
2007 ACR Systems Inc.
The PowerWatch Voltage Disturbance Recorder
PWV-001
0 to 200Vrms
±2Vrms*
1Vrms
3 to 150Vrms
±2Vrms
1Vrms
PWV-002
0 to 270Vrms
±4Vrms**
2Vrms
3 to 150Vrms
±2Vrms
1Vrms
PWV-001 & PWV-002
100 to 2500Vpeak
50 to 2500Vpeak
±10% of reading
1 µsec minimum
±1° (20° to 180°, 200° to 360°)
1°
45 to 65Hz
±0.1Hz (3 cycles minimum)
0.1Hz
±0.5 cycle*
8