INSULATION TESTER IR4053

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.

CAT III 600 V

Product Video

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

How to Use IR4053 Insulation Tester

Basic specifications: PVΩ measurement

Accuracy guaranteed: 1 year, Accuracy guarantee period after adjustment made by Hioki: 1 year
Rated output voltage 500 V DC 1000 V DC
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
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 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.)
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.)
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

L9788 options (4)

Exclusively for the L9788-10/ L9788-11

L9787 options (2)

Exclusively for the L9787 *The L9787 is bundled

Shared Option (1)