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Hioki 3258 Safety HiTester - Non-metallic-contact Voltmeter

condition: Brand NewPart #: HI-3258Availability: Call for Availability
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Development of the SAFETY HiTESTER 3258 opens the door to a new realm of safety by accurately measuring non-destructively through wire insulation, a particular safety concern to those who maintain and inspect electrical facilities.

  • Non-Metallic contact for optimum safety
  • Capture the voltage value of covered electric wires
  • Also ideal for metallic busbars and terminals
  • Optimized for 400 V AC circuits
Basic Specifications
Measurement Object Covered electric conductors (minimum 100 mm2 ), Metallic terminals
Note: cannot measure shielded electric wires
AC Voltage 40 to 66 Hz 30.0V to 420.0V, 380V to 600V, 2ranges
(Basic accuracy: ±1.5% rdg. ±5 dgt. /true RMS rectified, band width 40Hz to 400Hz at 420.0V range)
Crest Factor 1.8 (only sine wave at 600V range)
Max Rated Voltage to Earth 600V AC rms
Functions Data hold function, auto-power save, low battery alarm
Display Digital LCD, max. 4200 digit, (zero suppress at 10 digits or less)
Sampling Rate 1.67 times/sec (approx. 600 msec period), Response time 2.4 sec or less
Power Supply AA alkaline (LR6) battery ×6, Continuous use: 14 hr (Power ON, no measurement), or 1-minute measurements for 1000 times, or 5-minute measurements for 200 times
Dimensions, Mass 51mm (2.01in) W × 275mm (10.83in) H × 37.5mm (1.48in) D (one probe), 670g (23.6oz)
Supplied Accessories Instruction manual ×1, AA alkaline battery (LR6) ×6, Carrying soft case ×1


Basic accuracy Covered (unshielded) electric wires (Indoor PVC or equivalent, 100 mm2 or larger)


Measurement Range Accuracy Guaranteed Range Accuracy
40-66 Hz 60-400 Hz
420 V 30.0 – 420.0 V ±1.5 % rdg. ±5 dgt. ±2.5 % rdg. ±5 dgt.
600 V 380 – 480 V ±2.0 % rdg. ±5 dgt.
481 – 600 V ±5.0 % rdg. ±5 dgt.
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