CT6841A – AC/DC Current Probe

Hioki

High-precision Current Testing

Hioki

CT6841A – AC/DC Current Probe

Overview

Hioki’s clamp type AC/DC current sensors can be connected directly to Hioki Power Analyzers and Memory HiCorders. Also, it can be connected to Power Meters, Oscilloscopes, DMMs, etc. by using an optional sensor unit.

Use with an instrument with a high input impedance of 1 MΩ or higher.

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 1 MHz.
  • 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.
Category:
Rated current 20 A AC/DC
Max. allowable input 40 A rms (requires derating)
Frequency characteristics Amplitude: DC to 1 MHz
Phase: DC to 300 kHz
Amplitude and Phase accuracy DC ±0.3 % rdg. ±0.05 % f.s. (Phase: Not defined)
DC < f ≤ 100 Hz ±0.3 % rdg. ±0.01 % f.s. (Phase: ±0.1°) Defined to 1 MHz
Power consumption 5 VA max. (at 20 A/55 Hz, ±12 V power requirement)
Output voltage 0.1 V/A
(This device outputs AC+DC voltage via the Sensor Unit)
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, 350 g (12.3 oz), cord length: 3 m (9.84 ft)
Accessories Instruction manual ×1, Mark bands ×6, Carrying Case ×1

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