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Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CT7742 is a 2000 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

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

Rated measurement current 2000 A AC/DC
Max. measurement current 2000 A
(requires derating at frequency)
Max. allowable peak input 2840 A peak
Bandwidth DC to 5 kHz (-3dB)
Typical accuracy ±2.3 deg. (DC < f ≤ 66 Hz)
Output rate 0.1 mV/A
Max. rated voltage to earth AC/DC 600 V (CAT IV)
AC/DC 1000 V (CAT III)
Core diameter φ 55 mm (2.17 in) or less
Output connectors HIOKI PL 14
Operating temperature range -25 °C to 65 °C (-13 °F to 149 °F)
Dimensions and mass 64 mm (2.52 in)W × 195 mm (7.68 in)H × 34 mm (1.34 in)D, 510 g (18.0 oz), Cable length 2.5 m (8.20 ft)
Accessories None

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Additional information