Measure PV Insulation Resistance Safely, Accurately and Quickly
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.
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
Model No. (Order Code)
IR4053-10 | Bundled with Test Lead L9787 |
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Basic specifications: PVΩ measurement
Accuracy guaranteed: 1 yearRated 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
Accuracy guaranteed: 1 yearRated 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 |
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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 range | 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 range | 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) | |||||
Included accessories | TEST LEAD L9787 ×1, Neck strap ×1, Instruction manual ×1, AA alkaline batteries (LR6) ×4 |
Inquiry - HIOKI IR4053 INSULATION TESTER