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  • Hioki IR4056-20 Digital Meg-Ohm Insulation Tester
Hioki IR4056-20 Digital Meg-Ohm Insulation Tester
  • Hioki IR4056-20 Digital Meg-Ohm Insulation Tester
  • Hioki IR4056-20 Digital Meg-Ohm Insulation Tester

Hioki IR4056-20 Digital Meg-Ohm Insulation Tester

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Hioki IR4056-20 Digital Meg-Ohm Insulation Tester
Hioki IR4056-20 Digital Meg-Ohm Insulation Tester

MSRP:
Now: $288.00
Was:
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SKU:
IR4056-20
UPC:


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Hioki IR4056-20 Digital Meg-Ohm Insulation Tester

  • Provides functionality for generating high-voltage 500V and 1,000V output when testing high-voltage equipment
  • Designed with both AC and DC voltage measurement functionality
  • Support JIS C 60364-compliant insulation measurement of safety conductors in building electrical equipment and indirect safety contact testing in electric and hybrid vehicles

5-Range Insulation & Continuity Tester


Hioki insulation testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR4056 is a 5-range, 50V to 1000V digital insulation resistance tester with efficient functions and features to help shorten work time associated with field insulation testing.

Comparator function provides PASS/FAIL decisions at a glance

  • The comparator function compares measured values to pre-set reference values to generate a pass or fail judgment. (Can be used with insulation resistance measurement and low-resistance measurement.)
  • The stable display is easy to read, increasing work efficiency.

Instant Judgment

Since the IR4056-20 and IR4057-20 generate judgments as soon as the test lead makes contact, it is possible to make a rapid series of measurements in the manner of a continuity check.

Identify PASS/FAIL using light and sound

The IR4056-20 and IR4057-20 notify the operator of pass and fail judgments using a beeping sound, LCD light, and comparator indicator on the test lead with remote control switch (optional accessory), allowing determinations of compliance to be made without looking at the instrument.

PASS

When the measured value is greater than or equal to the reference value*

Short beep

No Change
Green

FAIL

When the measured value is less than the reference value*

Continuous tone

*Insulation resistance measurement??/em>

Red
Red
IR4056-20
Economical Model
5 ranges
50/125/250/
500/1000V
Rated output voltage (DC) 5 ranges
50/125/250/
500/1000V
IR4057-20
Bar graph for visual judgments, High-speed model
??/td> Voltage measurement ??/td>
??/td> Resistance measurement ??/td>
Approx. 0.8 s Comparator judgement result response time Approx. 0.3 s
??/td> 200 mA continuity ??/td>
- Bar graph ??/td>
159W x 177H x 53D Dimensions (mm) 159W x 177H x 53D
600 Mass (g) 640

Bar graph: Useful in determining compliance of circuits with a large capacitance component, for example solar panels, due to the ability to illustrate charging status behavior.

The Hioki IR4056-20 insulation tester delivers enhanced comparator (comparative judgment) functionality and notification of judgment results using light and sound, allowing operators to assess results at a glance, yielding significant improvements in work efficiency.

The comparator compares measured values to pre-set reference values to make pass/fail decisions. Thanks to improved response performance, the Hioki IR4056-20 Insulation Tester provides an instantaneous pass/fail decision when the test lead is placed in contact with a target.

Furthermore, the comparator function allows operators to assess pass/fail decisions based on light and sound cues. “Pass” conditions are signaled by a short beeping sound and a green LED, while “fail” conditions are signaled by a longer, continuous tone and a red-backlit measurement screen. When used with the optional Test Lead with Remote Control Switch L9788-11, the “fail” condition can also be easily identified by the lead’s red LED.

It is not unusual for technicians to need to measure more than 100 locations in a single building, so the instruments’ ability to generate a continuous series of pass/fail decisions will yield significant improvements in work efficiency.

Most measurement targets consist of long cables that have already been laid in a facility. Consequently, insulation resistance readings are often unstable due to the effects of noise emitted by nearby electrical wiring and other sources of interference. The Hioki IR4056-20 Insulation Tester employees a variety of measures to stabilize the display of readings so that it is easy to read measured values, even in challenging environments.

The Hioki IR4056-20 Insulation Tester provides functionality for generating high-voltage 500V and 1,000V output when testing high-voltage equipment. Normally, inadvertent application of a high voltage to a low-voltage device can damage the device. To protect against this risk, the new instruments provide functionality for preventing the application of unintentional high-voltage output

Outputting 500V or 1,000V requires two steps: placing the function key in a certain position and then pressing a flashing key to cancel the high-voltage output lock feature. In this way, the instruments are designed to prevent inadvertent output due to mistaken function key operation.

There is growing need for instruments capable of DC voltage measurement due to increasingly widespread use of solar power and electric vehicles. As a result, HIOKI designed the Hioki IR4056-20 Insulation Tester with both AC and DC voltage measurement functionality.

In addition to low-resistance measurement at 200 mA DC, the Hioki IR405620 Insulation Tester support JIS C 60364-compliant insulation measurement of safety conductors in building electrical equipment and indirect safety contact testing in electric and hybrid vehicles.

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