Delivering High Accuracy Performance Over a
Measurement Band 40 Times Broader than Legacy
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Hioki pull-through AC/DC current sensors are best-in-class devices
for use with power analyzers,, Memory HiCorders and high performance
oscilloscopes. The CT6904 is a DC to 4 MHz/500A sensor, ideal for
capturing current signals from switching power supplies, inverters,
power conditioners, etc.

Model No. (Order Code)

CT6904500 A AC/DC Rated, ME15W terminal

CAT III 1000 V
Key Features

• 500 A (rms) rated for measurement of large currents
• DC to 4 MHz (±3 dB) wide measurement frequency range
• ±10 ppm excellent linearity
• 120 dB (100 kHz) high Common-Mode Rejection Ratio (CMRR)
• ±0.077% power accuracy in combination with the Hioki PW6001 Power Analyzer

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

Rated current500 A AC/DC
Max. allowable input550 A (requires derating at frequency, However, up to ±1000 A peak is allowable if within 20 ms (design value)
Frequency characteristicsAmplitude: DC to 4 MHz
Phase: DC to 1 MHz
Linearity±10 ppm Typical (23°C (73°F))
Offset voltage±10 ppm Typical (23°C (73°F), no input)
Amplitude and Phase accuracyDC (±0.025 % rdg. ±0.007 % f.s.)
45 Hz ≤ f ≤ 65 Hz (±0.02 % rdg. ±0.007 % f.s., Phase: ±0.08°) Defined to 1 MHz
Output voltage rate4 mV/ A (2 V / rated current value)
Core diameterφ 32 mm (1.26 in)
Operating temperature, humidity-10°C to 50°C (14°F to 122°F)
80% RH or less (with no condensation)
Power supplyPower supplied from PW6001, PW3390, and CT9555
Power consumption7 VA Max. (500 A/55 Hz measurement, with a power supply of ±12 V)
Dimensions and mass139 mm (5.47 in)W × 120 mm (4.72 in)H × 52 mm (2.05 in)D, 1 kg (35.3 oz), cord length: 3 m (9.84 ft) (excluding protrusions and cables)
AccessoriesInstruction manual ×1, Carrying case ×1, Color labels (for channel identification) ×1
Catalog: AC/DC CURRENT SENSOR CT6904Download PDF  [2MB]English

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