Measure PV Insulation Resistance Safely, Accurately and Quickly
INSULATION TESTER IR4053

Description
The Hioki IR4053 is a digital insulation resistance tester for photovoltaic generation systems. Measure insulation resistance accurate and safely without being affected by generated solar power and identify the value in just 4 seconds.
CAT III 600 V
Model No. (Order Code)
IR4053-10 | Bundled Test Lead L9787 |
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Key Features
• Safely and accurately measure PV insulation resistance even while generating solar power
• Built-in PV dedicated function, display measurements in 4 seconds
• Five ranges (50/125/250/500/1000V) built in for normal insulation resistance measurement
• Built-in 1000 VDC voltage measurement for open voltage tests of PV systems that support 1000 V
• Built-in comparator function
• Drop proof design withstands drop onto concrete from a height of 1 meter
Product Video
How to Use IR4053 Insulation Tester
Basic specifications ■PVΩ measurement(Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
Rated output voltage | 500 V DC | 1000 V DC |
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Effective maximum indicated value | 2000 MΩ | 4000 MΩ |
Measuring range/ Accuracy | 0.200 to 500 MΩ / ±4% rdg. 501 to 2000 MΩ / ±8% rdg. |
0.200 to 1000 MΩ / ±4% rdg. 1010 to 4000 MΩ / ±8% rdg. |
Other measuring range / Accuracy | 0 to 0.199 MΩ / ±2% rdg. ±6 dgt. |
Basic specifications ■Insulation resistance measurement
Rated output voltage | 50 V DC | 125 V DC | 250 V DC | 500 V DC | 1000 V DC |
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Effective maximum indicated value | 100 MΩ | 250 MΩ | 500 MΩ | 2000 MΩ | 4000 MΩ |
Accuracy 1st effective measuring range MΩ | ±4% rdg. 0.200 to 10.00 |
±4% rdg. 0.200 to 25.0 |
±4% rdg. 0.200 to 50.0 |
±4% rdg. 0.200 to 500 |
±4% rdg. 0.200 to 1000 |
Lower limit resistance | 0.05 MΩ | 0.125 MΩ | 0.25 MΩ | 0.5 MΩ | 1 MΩ |
Overload protection | 600 V AC (10 s) | 600 V AC (10 s) | 600 V AC (10 s) | 600 V AC (10 s) | 1200 V DC (10 s) |
DC voltage measurement | 4.2 V (0.001 V resolution) to 1000 V (1 V resolution), 4 ranges, Accuracy: ±1.3% rdg. ±4 dgt., (Ranges in excess of 1000 V are not guaranteed for accuracy.) |
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AC voltage measurement | 420 V (0.1 V resolution)/600 V (1 V resolution), 2 ranges, 50/60 Hz, Accuracy: ±2.3% rdg. ±8 dgt., (Ranges in excess of 600 V are not guaranteed for accuracy.) |
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Display | Semi-transmissive FSTN LCD with back lighting, Backlight | ||||
Response time | Insulation resistance range: 1 second, PVΩ function: 4 seconds (based on in-house tests) | ||||
Other functions | Live circuit indicator, automatic electric discharge, automatic DC/AC detection, comparator, drop proof, auto power save | ||||
Power supply | AA alkaline batteries (LR6) ×4, Continuous operating time: Approx. 20 hours (based on in-house tests) | ||||
Dimensions and mass | 159 mm (6.26 in) W × 177 mm H (6.97 in) H × 53 mm (2.09 in) D, Approx. 600 g (21.2 oz) (including batteries, excluding test lead) | ||||
Accessories | TEST LEAD L9787 ×1, Neck strap ×1, Instruction manual ×1, AA alkaline batteries (LR6) ×4 |
Catalogs
INSULATION TESTER Series 
INSULATION TESTER IR4053 
Need an instrument for photovoltaic system maintenance? 
Manuals
INSULATION TESTER IR4051-10,IR4051-11,IR4052-10,IR4052-11,IR4053-10,IR4053-11 [2MB] 
Declaration of Conformity
INSULATION TESTER IR4051-10,IR4051-11,IR4052-10,IR4052-11,IR4053-10,IR4053-11,IR4056-20,IR4057-20 [101KB] 
Measure the Insulation Resistance of Solar Cell Panels 
There are no drivers, firmware or software available for this product.