CLAMP ON PROBE 9018-50

Simply Connect to a Tester or Recorder to Easily Measure Large Currents

Hioki current sensors are best-in-class devices for accurately capturing a wide range of current levels. The 9018-50 is a multi-range 500 A AC voltage output clamp sensor with superior phase characteristics for capturing waveforms with DMMs and Memory HiCorders. Measure AC current on live power lines without needing to cut the wire.

Key Features

  • Choose from six general-purpose ranges
  • Accurately record and analyze waveforms and harmonic signals

Model No. (Order Code)

9018-50 Wide band, BNC output terminal
For 50 Hz/60 Hz commercial power lines; no external power supply required.

Recording of motor rush current

Motor power-on inrush current waveforms can be precisely recorded. The Clamp On Probe the 9018-50 is available for current measurement, as is the Clamp On Leak HiTester CM4003.

Basic specifications

Accuracy guaranteed: 1 year
Rated current 10 A to 500 A AC, 6 ranges
Accuracy ±1.5% rdg. ±0.1% f.s. (45 to 66 Hz)
Frequency characteristics Add to amplitude accuracy : ± 1% rdg.
Add to phase accuracy : ± 2.5° for frequencies from 40 Hz to 3 kHz
Output rate 0.2 V AC f.s. (f.s. = setting rage)
(Connect to a voltage input device providing a high input impedance of 1 MΩ)
Max. allowable input 150 A rms continuous (10/20/50 A ranges)
400 A rms continuous (100/200 A ranges)
650 A rms continuous (500 A range)
(For 40 Hz to 100 Hz: 100 %, and for 100 Hz to 1 kHz: within 50 % of derating)
Max. rated voltage to earth 600 V rms (50 Hz/60 Hz, CAT III)
Core diameter φ46 mm (1.81 in)
Dimensions and mass 78 mm (3.07 in) W × 188 mm (7.40 in) H × 35 mm (1.38 in) D, 420 g (14.8 oz), cord length: 3 m (9.84 ft)
Accessories Instruction manual ×1

Options (1)


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