Description
Analyze power-system signals with precision voltage, current and phase measurements.
The 931A combines electrical measurements, power calculations and waveform analysis in a portable instrument. It supports troubleshooting of metering, protection and power-system circuits using the selected input configuration.
Key specifications
- Voltage input: 1.5–750 V rms
- Current input: 0.04–20 A rms
- Voltage/current accuracy: 0.05% of reading
- Phase accuracy: 0.05°





