HIOKI CT6844 / CT6845 / CT6846 AC/DC Current Sensor
CT6844-05 500 A AC/DC, ME15W terminal
CT6845 500 A AC/DC, PL23 terminal
CT6845-05 500 A AC/DC, ME15W terminal
CT6846 1000 A AC/DC, PL23 terminal
CT6846-05 1000 A AC/DC, ME15W terminal
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CT6844,CT6844-05 |
CT6845,CT6845-05 |
CT6846,CT6846-05 |
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Rated current |
500 A AC/DC |
500 A AC/DC |
1000 A AC/DC |
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Max. allowable input |
720 A peak (requires derating) |
1000 A rms (requires derating) |
1700 A peak (requires derating) |
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Frequency characteristics |
DC to 200 kHz Phase: DC to 200 kHz |
DC to 100 kHz Phase: DC to 100 kHz |
DC to 20 kHz Phase: DC to 20 kHz |
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Amplitude and phase accuracy |
DC ±0.3 % rdg. ±0.02 % f.s. (Phase: Not defined) DC < f ≤ 100 Hz ±0.3 % rdg. ±0.01 % f.s. (Phase: ±0.1°) Defined to 200 kHz |
DC ±0.3 % rdg. ±0.02 % f.s. (Phase: Not defined) DC < f ≤ 100 Hz ±0.3 % rdg. ±0.01 % f.s. (Phase: ±0.1°) Defined to 100 kHz |
DC ±0.3 % rdg. ±0.02 % f.s. (Phase: Not defined) DC < f ≤ 100 Hz ±0.3 % rdg. ±0.01 % f.s. (Phase: ±0.1°) Defined to 20 kHz |
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Output voltage |
4 mV/A (voltage output with the Sensor Unit use with a device having a 1 MΩ input resistance or higher) |
4 mV/A (voltage output with the Sensor Unit use with a device having a 1 MΩ input resistance or higher) |
2 mV/A (voltage output with the Sensor Uni use with a device having a 1 MΩ input resistance or higher) |
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Core diameter |
φ 20 mm (0.79 in) |
φ 50 mm (1.97 in) |
φ 50 mm (1.97 in) |
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Operating temperature, humidity |
-40 °C to +85 °C (-40 °F to 185 °F), 80% RH or less (with no condensation) |
-40 °C to +85 °C (-40 °F to 185 °F), 80% RH or less (with no condensation) |
-40 °C to +85 °C (-40 °F to 185 °F), 80% RH or less (with no condensation) |
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Power supply |
±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC) |
±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC) |
±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC) |
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Power consumption |
7 VA max. (at 500 A/55 Hz, ±12 V power requirement) |
7 VA max. (at 500 A/55 Hz, ±12 V power requirement) |
7 VA max. (at 1000 A/55 Hz, ±12 V power requirement) |
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Dimensions and mass |
153 mm (6.02 in)W × 67 mm (2.64 in)H × 25 mm (0.98 in)D, 400 g (14.1 oz), cord length: 3 m (9.84 ft) |
238 mm (9.37 in)W × 116 mm (4.57 in)H × 35 mm (1.38 in)D, 860 g (30.3 oz), cord length: 3 m (9.84 ft) |
238 mm (9.37 in)W × 116 mm (4.57 in)H × 35 mm (1.38 in)D, 990 g (34.9 oz), cord length: 3 m (9.84 ft) |
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Accessories |
Instruction manual ×1, Mark bands ×6, Carrying Case×1 |
Instruction manual ×1, Mark bands ×6, Carrying Case |
Instruction manual ×1, Mark bands ×6, Carrying Case |
• Ideal for use in environmental testing with broad -40˚C to 85˚C temperature range
• High precision with a clamp-type design, ±0.3% amplitude accuracy, ±0.1° phase accuracy
• Wide-bandwidth from DC to 200 kHz(CT6844)
• Single-handed operation and robust locking mechanism
• Reduced effects from magnetic fields, conductor position, and noise from nearby wires
• For EV/HEV battery charge and discharge efficiency testing and inverter and power conditioner conversion efficiency evaluations