CT6844A – AC/DC Current Probe

Hioki

High-precision Current Testing

Hioki

CT6844A – 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

  • Frequency bandwidth DC to 500 kHz, Rated current 500 A AC/DC.
  • High-precision measurement of charge and discharge efficiency of EV batteries.
  • High-precision measurement of DC power of PV power generation systems.
  • Ideal for use in environmental testing with broad -40°C to 85°C temperature range.
  • Single-handed operation and robust locking mechanism.
  • High accuracy (amplitude): [DC]±0.22%, [50/60 Hz]±0.21%
  • High accuracy (phase): [50/60 Hz]±0.1°
Category:
Rated current 500 A AC/DC
Frequency bandwidth DC to 500 kHz
Diameter of measurable conductors Max. φ 20 mm (0.79 in.)
Max. allowable input ±800 Apeak
(Within 20 ms in an environment of 40°C/104°F or less)
Output voltage 4 mV/A
Output resistance 50 Ω ± 10 Ω
Accuracy (amplitude)
±(% of reading + % of full scale)		 DC: 0.2% + 0.02%
DC < f ≤ 100 Hz: 0.2% + 0.01%
Linearity ±20 ppm Typical
Common-Mode Voltage Rejection Ratio
(CMRR)		 DC to 1 kHz：150 dB or greater
1 kHz to 10kHz：135 dB or greater
10 kHz to 100 kHz：120 dB or greater
100 kHz to 300 kHz：100 dB or greater
(effect on output voltage and common mode voltage)
Automatic phase correction Automatically performs phase correction when connected to PW8001
Operating temperature, humidity -40°C to 85°C (-40°F to 185°F), 80% RH or less
Standards Safety IEC 61010-2-032:2012/EN 61010-2-032:2012　Type D
EMC IEC 61326-1:2012/EN 61326-1:2013
Withstand voltage AC 4,260 V
Rated power supply voltage ±11 V to ±15 V
Max. rated power 7 VA or less (When measuring 500 A/55 Hz with ±12 V power supply)
Dimensions and mass Approx. 153 mm W × 67 mm H × 25 mm D
(approx. 6.02 in. W × 2.64 in. H × 0.98 in. D), 400 g (14.1 oz.)
Cable length Approx. 3 m (9.84 ft.)
Included accessories ・Markup bands（×6）
・Carrying case
・Instruction manual

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