VAD and VQD
DC-Powered, AC Voltage Monitor
NAI’s VAD and VQD are DC-Powered, AC Voltage Monitors used to monitor voltage characteristics of single- or three-phase power lines. This allows normal operation of system loads when the power-line characteristics are within pre-determined limits. These voltage monitors are ideally suited for rugged defense and industrial applications.
- 50/60/400 Hz
- Accuracy ±0.5%
- Repeatability 0.5%
- Hysteresis 0.25% typical
- Time delay (pick-up & drop-out) 250 ms to 10 seconds
- High reliability
- Versatile design allows for many variations
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