HIOKI – 3157-01 AC

  • Evaluation of contact status using large currents
  • Feedback control system that is capable of applying a stable current even with a fluctuating load
  • Soft-start function that checks the connection to the device under test before applying the current

The Hioki 3157 is an AC ground bond tester designed for protection circuit testing of a wide range of electrical equipment, including industrial machinery, medical equipment, and measuring instruments using a constant current system, enabling it to provide stable output current.

Features

  • Easily perform protective continuity testing in compliance with international safety standards and laws
  • Protective continuity resistance measurement for medical devices and general electrical devices
  • Ground connectivity testing when installing electrical machine tools and distribution panels
  • Testing of protective grounding and isopotential grounding work for medical equipment
  • Evaluation of contact status using large currents
  • Feedback control system that is capable of applying a stable current even with a fluctuating load
  • Soft-start function that checks the connection to the device under test before applying the current
Need more information?

Please contact +6221-5467618, +6221-54212399 or email [email protected]

Specification

Measurement items Low resistance, AC 4-terminal method
Generator section Current generator principle: PWM constant current control, Current setting range: 3.0 A to 31.0 A (0.1 A resolution), into 0.1 Ohm load, Maximum output power: 130 VA*1 (at output terminals)
*1 Subject to derating according to ambient temperature (80 % at 40 °C)
Frequency: 50 Hz or 60 Hz sine wave, Soft start function: Apply current only after checking load connection
Monitor section Resistance measurement: 0 to 1.800 Ohm (0.001 Ohm resolution), Accuracy: ±2 % rdg. ±4 dgt. (after zero-adjust), Current monitoring range: 0 to 35.0 A AC (0.1 A resolution), Monitoring cycle: 2 times/second
Other functions Timer setting: Counts down time after start until preset time, or shows elapsed time after start, Setting range: 0.5 to 999 second, Comparator: Pass/Fail evaluation using preset upper/lower limit, I/O output, Memory function: max. 20 settings (with save/load)
Display Fluorescent tube digital display
Power supply 100 to 120 V, 200 to 240 V AC (auto-switching), 50/60 Hz
Dimensions, mass 320 mm(12.60 in)W × 90 mm(3.54 in)H × 263 mm(10.35 in)D, 7 kg (246.9 oz)
Accessories Power cord(1), Spare fuse(1), Shorting bar(2)

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