| iVS-3S |
| INPUTS | AC Voltage | 0 to 600 VACcontinuous |
| AC Current | 200 Amps RMS (Forms 12S, 14S, 15S, 16S, 17S) 25 Amps (Forms 6S, 8S, 9S) |
| Sample Rate | 128 samples/cycle/channel |
| CHANNELS | Voltage | 2 or 3 channels, depending on form |
| Current | 2 or 3 channels, depending on form |
MEASURED QUANTITIES PER CYCLE | RMS Voltage | Volts |
| RMS Current | Amps |
| Real Power | Watts |
| Apparent Power | VAs |
| Reactive Power | VARS |
| Phase Angle | Degrees |
| Power Factor | Watts/VA |
| Displacement PF | cos (phase angle) |
| Power Usage | kWh, kVARh, kVAh |
| ACCURACY | Voltage | 0.33% of full scale |
| Current | 1.0% of full scale |
| Power | 1.0% of full scale |
| Phase Angle | 1.0° |
| Power Factor | ±0.02 |
| Displacement PF | ±0.02 |
| HARMONICS | Voltage | to the 31st |
| Current | to the 31st |
| Measures | magnitude, THD |
| COMMUNICATIONS | Type | RS232 port |
| Remote | n/a |
| Data Rate | 4,800 to 38,000 baud |
| INFORMATION STORAGE | Interval Graphs | 2.1 MB |
| Significant Change | 1000 records |
| Flicker | 1000 records |
| Waveform Capture | 384 KB |
RECORD SETTINGS | Interval Graphs | User selected, stop-when-full, or wrap around memory modes Significant Change |
| Significant Change | 1V to 8V in 1V steps |
| Flicker Settings | User-defined, or conform to IEEE Std. 141. |
| Waveform Capture | Voltage and current threshold |
| POWER SUPPLY | Power Consumption | Less than 2.5 watts |
| Operating Temp | -20°F to +135°F |
| Shock | 60 Hz to 2kHz, Acceleration 25G |
| PHYSICAL DIMENSION | Vibration | 10 Hz to 60 Hz, Amplitude 1.8 mm |
| Size | 4.625” x 6.75” |
| Weight | 3.6 lbs |
| POWER FAIL OPERATION | Can operate without any input voltage for up to 30 minutes. This allows it to record down to 0 volts on all channels during power outages. |