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Hioki 1Kv Insulation Tester, IR4057-20
Hioki 1Kv Insulation Tester, IR4057-20

Hioki 1Kv Insulation Tester, IR4057-20

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AED 1,812.00

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Key features

  • 5-Range, 50 V to 1000 V Digital Insulation Resistance Tester with Bargraph, and Delivers Efficient Functions and Features to Help Shorten Work Time Associated with Field Insulation Testing.

Product Specifications

DC Voltage Range

4.2 V (0.001 V resolution) to 600 V (1 V resolution)

4 ranges

Accuracy: �1.3% rdg. �4 dgt

Input resistance: 100 k? or higher


±2 % rdg. ±2 dgt.

Overload Protection

600 V AC (10s) [upto 500 V DC]

660 V AC (10s) [for 1000 V DC]

Rated Output Voltage

50 V DC

125 V DC

250 V DC

500 V DC

1000 V DC

Battery Backup

Continuous use: 20 hrs (based on in-house testing)

Number of Measurement

1000 times (at 5 s ON, 25 s OFF cycle, insulation measurement of lower limit resistance value to maintain nominal output voltage)

Response Time

Approx. 0.3 second for PASS/FAIL decision (based on in-house testing)

Type of Product

Insulation Tester

AC Voltage Range

420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz, Accuracy: �2.3% rdg. �8 dgt., Input resistance: 100 k? or higher, Average rectifier

Model No


Battery Type

LR6 (AA) Alkaline battery


Semi-transmissive FSTN LCD with back lighting, bar-graph indicator

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