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 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
Rated output voltage | 500 V DC | 1000 V DC |
---|---|---|
Effective maximum indicated value | 2000 M¥Ø | 4000 M¥Ø |
Measuring range/ Accuracy | 0.200 to 500 M¥Ø / ¡¾4% rdg. 501 to 2000 M¥Ø / ¡¾8% rdg. | 0.200 to 1000 M¥Ø / ¡¾4% rdg. 1010 to 4000 M¥Ø / ¡¾8% rdg. |
Other measuring range / Accuracy | 0 to 0.199 M¥Ø / ¡¾2% rdg. ¡¾6 dgt. |
Rated output voltage | 50 V DC | 125 V DC | 250 V DC | 500 V DC | 1000 V DC |
---|---|---|---|---|---|
Effective maximum indicated value | 100 M¥Ø | 250 M¥Ø | 500 M¥Ø | 2000 M¥Ø | 4000 M¥Ø |
Accuracy 1st effective measuring range M¥Ø | ¡¾4% rdg. 0.200 to 10.00 | ¡¾4% rdg. 0.200 to 25.0 | ¡¾4% rdg. 0.200 to 50.0 | ¡¾4% rdg. 0.200 to 500 | ¡¾4% rdg. 0.200 to 1000 |
Lower limit resistance | 0.05 M¥Ø | 0.125 M¥Ø | 0.25 M¥Ø | 0.5 M¥Ø | 1 M¥Ø |
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: ¡¾1.3% rdg. ¡¾4 dgt., (Ranges in excess of 1000 V are not guaranteed for accuracy.) | ||||
AC voltage measurement | 420 V (0.1 V resolution)/600 V (1 V resolution), 2 ranges, 50/60 Hz, Accuracy: ¡¾2.3% rdg. ¡¾8 dgt., (Ranges in excess of 600 V are not guaranteed for accuracy.) | ||||
Display | Semi-transmissive FSTN LCD with back lighting, Backlight | ||||
Response time | Insulation resistance range: 1 second, PV¥Ø 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 |