| Measurement lines | Single-phase 2-wires, single-phase 3-wires, 3-phase 3-wires, 3-phase 4-wires (voltage / current measurement range set for each wiring mode) |
| Measurement items | Voltage, Current, Active power, Apparent power, Reactive power, Power factor, Phase angle, Frequency, Efficiency, Current integration, Active power integration, Integrated time, Voltage waveform peak value, Current waveform peak value, Voltage crest factor, Current crest factor, Time average current, Time average active power, Voltage ripple factor, Current ripple factor |
| Harmonic parameters | Synchronization frequency range: 10 Hz to 640 Hz, Analysis order up to 50th
Harmonic voltage RMS value, Harmonic current RMS value, Harmonic active power, Total harmonic voltage distortion, Total harmonic current distortion, Voltage fundamental waveform, Current fundamental waveform, Active power fundamental waveform, Apparent power fundamental waveform, Reactive power fundamental waveform, Power factor fundamental waveform (displacement power factor), Voltage current phase difference fundamental waveform, Interchannel voltage fundamental wave phase difference, Interchannel current fundamental wave phase difference, Harmonic voltage content % , Harmonic current content % , Harmonic active power content %
(The following parameters can be downloaded as data during PC communication but not displayed: Harmonic voltage phase angle, Harmonic current phase angle, Harmonic voltage current phase difference) |
| Measurement range (*1) | [Voltage] 0.15 V to 1000 V AC/DC
[Current]
Direct input: 2 mA to 65 A AC/DC
For AC/DC measurement using the CT6877A as an example: 4 A to 2000 A AC/DC (typical accuracy ±0.348%)
For AC measurement using the CT9667-01 as an example: 10 A to 5000 A AC (typical accuracy ±2.6%) |
Integration measurement
(Integration time up to 10,000 hours) | [Current] No.of displayed digits: 6 digits (from 0.00000 mAh, Polarity-independent integration and Sum value)
[Active power] No.of displayed digits: 6 digits (from 0.00000 mWh, Polarity-independent integration and Sum value) |
| Input resistance (50/60 Hz) | [Voltage] 2 MΩ, [Current] 1 mΩ or less (direct input) |
Basic accuracy
(Active power) | ±0.1% rdg. ±0.1% f.s. (DC)
±0.1% rdg. ±0.05% f.s. (45 Hz to 66 Hz, at Input < 50% f.s.)
±0.15% rdg. (45 Hz to 66 Hz, at 50% f.s. ≤ Input) |
| Display refresh rate | 5 times/s to 20 seconds (depends on average times settings) |
| Frequency characteristics | DC, 0.1 Hz to 100 kHz |
D/A output
(-02/-03 model only) | 16 channels (selectable from following items), Level output DC ±2 V, Waveform output 1 V f.s.
Level output, instantaneous waveform output (voltage, current, active power)
Level output (apparent power, reactive power, power factor, or other)
High-speed active power level output |
| Functions | [Rectification method] AC+DC, AC+DC Umn, AC, DC, FND, Auto-range, Average, VT or CT ratio settings, Synchronized control, MAX/MIN, or other functions |
| Interfaces | RS-232C / LAN standard, (-01/-03 model also includes GP-IB) |
| Power supply | 100 to 240 V AC, 50/60 Hz, 40 VA max. |
| Dimensions and mass | 305 mm (12.01 in) W × 132 mm (5.20 in) H × 256 mm (10.08 in) D, 5.6 kg (197.5 oz) |
| Included accessories | Instruction manual × 1, Measurement guide × 1, Power cord × 1 |