HIOKI IR4053 Insulation Tester

HIOKI IR4053 Insulation Tester 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

Basic specifications- PVO measurement
Rated output voltage : 1000 V DC

Effective maximum indicated value : 4000 MO

Measuring range/ Accuracy : 0.200 to 1000 MO / ±4% rdg.
1010 to 4000 MO / ±8% rdg.

Other measuring range / Accuracy : 0 to 0.199 MO / ±2% rdg. ±6 dgt.

Basic specifications- Insulation resistance measurement
Rated output voltage : 1000 V DC

Effective maximum indicated value : 4000 MO

Accuracy 1st effective measuring range MO : ±4% rdg.
0.200 to 1000

Lower limit resistance : 1 MO

Overload protection : 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.)

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.)

Display : Semi-transmissive FSTN LCD with back lighting, Backlight

Response time : Insulation resistance range: 1 second, PVO 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