AC/DC AUTO-ZERO CURRENT SENSOR

CT7731

100 A AC/DC Detachable Current Sensor System that Delivers Stable, Long-term, and Accurate Measurements in Dramatically Changing Environments

Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CT7731 is a 100 A AC/DC Current Sensor that pairs with the detachable Display Unit CM7290 for convenient field testing, while delivering an extended temperature range and auto-zero adjustment to minimize drift due to wide temperature changes that occur during long-term testing.  Further extend the functionality of this system by connecting the Display Unit with a Hioki memory recorder or logger. CAT IV 600 V Key Features • Accurately measure and record even when the temperature changes • Ideal for site inspections by using detachable Display Unit • Four output formats to output data to loggers or other devices (via Display Unit) WAVE, RMS, PEAK, Hz



Model No. (Order Code)

CT7731 100 A AC/DC, φ33 mm (1.30 in)

Note: CT7700 series cannot be used alone. Use with the Display Unit CM7290, CM7291 to connect with Data Loggers and Memory HiCorders.

Guarantee3years
CE

Connect to Recorders, Data loggers, and Oscilloscopes

The CT7000 series cannot be used alone. Use with the Display Unit CM7290, CM7291 to connect with Data Loggers and Memory HiCorders.


Basic specifications (Accuracy guaranteed for 3 years, Post-adjustment accuracy guaranteed for 3 years)

Rated measurement current100 A AC/DC
Max. measurement current100 A
(requires derating at frequency)
Max. allowable peak input150 A peak
BandwidthDC to 5 kHz (-3dB)
Typical accuracy±1.8 deg. (DC < f ≤ 66 Hz)
Output rate1 mV/A
Max. rated voltage to earthAC/DC 600 V (CAT IV)
Core diameterφ 33 mm (1.30 in) or less
Output connectorsHIOKI PL 14
Operating temperature range-25 °C to 65 °C (-13 °F to 149 °F)
Dimensions and mass58 mm (2.28 in)W × 132 mm (5.20 in)H × 18mm (0.71 in)D, 250 g (8.8 oz), Cable length 2.5 m (8.20 ft)
AccessoriesNone

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Seminar Videos On Demand

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Seminar Schedule

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Catalogs

Catalog: AC/DC CURRENT SENSOR CT7000 Series, DISPLAY UNIT CM7290, CM7291 Download PDF  [3MB]
e-BOOK
English

User Guides

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Manuals

Operating Precautions Japanese
English
Simplified Chinese  Korean  Traditional Chinese  Spanish  German  French  Italian 
Ver.01
Instruction Manual English
Ver.01
Instruction Manual Simplified Chinese  Ver.00

Outline Drawings


Ver.00
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Drivers, Firmware

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Others

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Options

Display, Output

DISPLAY UNIT CM7290

• Use with CT7000 series • DCA, ACA, (DC+AC)A, frequency • WAVE, RMS, PEAK, Hz output

Learn more

EXTENSION CABLE L0220-01

2 m (6.56 ft) length

EXTENSION CABLE L0220-02

5 m (16.41 ft) length

EXTENSION CABLE L0220-03

10 m (32.81 ft) length

EXTENSION CABLE L0220-04

20 m (65.62 ft) length

EXTENSION CABLE L0220-05

30 m (98.43 ft) length

EXTENSION CABLE L0220-06

50 m (164.06 ft) length

EXTENSION CABLE L0220-07

100 m (328.11 ft) length

DISPLAY UNIT CM7291

• Built in Bluetooth®wireless technology • Use with CT7000 series • DCA, ACA, (DC+AC)A, frequency • WAVE, RMS, PEAK, Hz output

Learn more

Case

CARRYING CASE C0220

For storing sensor ×1, CM7290 ×1, AC adapter ×1, and output cord

CARRYING CASE C0221

For storing sensor ×3, CM7290 ×1, AC adapter ×1, output cord, and 30 m extension cable

Output cord

OUTPUT CORD L9094

3.5 mm (0.14 in) dia. mini plug to banana, 1.5 m (4.92 ft) length

OUTPUT CORD L9095

Connect to BNC terminal, 1.5 m (4.92 ft) length

OUTPUT CORD L9096

Connect to terminal block, 1.5 m (4.92 ft) length

Gallery

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