AC/DC CURRENT PROBE
CT6843-05

Consistent, High-precision Current Testing Across a
Wide Temperature Range
Exclusive Academic Offer

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.

A comment from the Good Design Award 2016
“The ergonomic design of these products appropriately reflects conditions in the field as well as worker needs through features such as one-handed operation and a grip that can be easily opened and closed in any orientation. In addition, they exhibit a high level of overall finish, including through the effective use of visual cues, for example use of yellow and gray to prompt the user to interact with the instrument in a way that avoids its inherent hazards.”

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

Model No. (Order Code)

CT6843 200 A AC/DC, PL23 terminal
CT6843-05 200 A AC/DC, ME15W terminal

Note: These products cannot be used alone. The optional SENSOR UNIT is required in order to supply power and connect the clamp to a Memory HiCorder or other instrument. Products can be directly connected to the compatible Power Meters and Power Analyzers.

GOOD DESIGNCEDC

High-accuracy current sensors ideal for use with oscilloscopes and power meters

Compared to current sensors that use Hall elements, flux gate type current sensors are not prone to measurement error caused by variations in the external temperature. In addition, they can measure extremely low input (current values) and current waveforms with phase that lags by 90° with a high degree of precision. The CT6840 Series AC/DC Current Probes are ideal for measuring power waveforms with a digital oscilloscope and power meters.

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