CT6843 AC/DC Current Clamp

Product enquiry for CT6843 AC/DC Current Clamp

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Hioki AC/DC clamp sensors are best-in-class current sensors for use with power meters, Memory HiCorders and high performance oscilloscopes.

The CT6843 is DC to 500 kHz/200 A sensors, ideal for capturing signals during the efficiency testing of batteries, inverters and power conditioners.

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

Rated current 200 A AC/DC
Max. allowable input 400 A rms (requires derating)
Frequency characteristics Amplitude: DC to 500 kHz
Phase: DC to 300 kHz
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 500 kHz
Power consumption 6 VA max. (at 200 A/55 Hz, ±12 V power requirement)
Output voltage 0.1 V/A (CT6841), 0.01 V/A (CT6843)
(voltage output with the Sensor Unit, use with a device having a 1 MΩ input resistance or higher)
Core diameter φ 20 mm (0.79 in)
Operating temperature, humidity -40 °C to +85 °C (-40 °F to 185 °F), 80% RH or less (with no condensation)
Power supply ±11 V to ±15 V DC (Power suppled via the Sensor Unit, which supports 100 to 240 V AC)
Dimensions and mass 153 mm (6.02 in)W × 67 mm (2.64 in)H × 25 mm (0.98 in)D, 370 g (13.1 oz), cord length: 3 m (9.84 ft)
Accessories Instruction manual ×1, Mark bands ×6, Carrying Case ×1

Compatible models…CT6843 (-05)

Compatible models CT6843 CT6843-05
Power Analyzer PW6001, PW3390 △ (Requires CT9900) OK
Power Analyzer 3390 OK △ (Requires CT9901)
Power HiTester 3193 series OK △ (Requires CT9901)
Current Unit 8971 △ (Requires the 9318) △ (Requires the 9318, CT9901)
F/V Unit 8940 △ (Requires the 9318, 9705) △ (Requires the 9318, 9705, CT9901)

Key Features

  • 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 DC to 500 kHz
  • 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 measurement and inverter and power conditioner conversion efficiency evaluation

Application Notes