The IR5051 is a compact, lightweight insulation resistance tester with a 5 kV output, capable of stable measurements up to 10 TΩ. It can test insulation resistance in solar PV systems up to 2000 V with a CAT III 2000 V safety rating. It includes a dedicated mode for PV measurements and supports 1500 V systems, ready for future 2000 V systems. It complies with IEC 62446-1 for Category 1 and 2 tests, ensuring safety and performance.
| Measurement parameters | • Insulation resistance • PV insulation resistance • Leakage current • Voltage • Capacitance (DD function) |
|---|---|
| Max. rated voltage to terminals | 1000 V AC, 2000 V DC |
| Max. rated voltage to ground | 1000 V (CAT IV), 600 V (CAT III) |
| Operating temperature and humidity range | -20°C to 50 °C (*1) (no condensation) |
| Storage temperature and humidity range | -25°C to 65°C (-13°F to 149°F), less than 80% RH (no condensation) |
| Dustproof/waterproof | IP40 (with protector attached, excluding terminals) IP65 (CARRYING CASE C0212) |
| Standards | EN61010 (safety), EN61326 (EMC), IEC 61557-1, IEC 61557-2 (Insulation resistance tester) |
| Power supply | • LR6 (AA) alkaline battery × 8 • HR6 (AA) nickel-metal hydride (NiMH) rechargeable battery × 8 |
| Continuous operating time (*2) | Approx. 5 hours without Z3210 installed; approx. 4 hours with Z3210 installed and using wireless communication |
| Dimensions and weight | 195 mm (7.68 in.) W × 254 mm (10 in.) H × 89 mm (3.50 in.) D, 1.7 kg (59.97 oz.) (including batteries) |
| Measurement parameters | Insulation resistance PV insulation resistanceLeakage currentVoltage Capacitance (DD function) |
| Included accessories | Test lead L9850-01 ×1, Test lead L9850-02 ×1, Test lead L9850-03 ×1, Alligator clip L9851-01 ×1, Alligator clip L9851-02 ×1, Alligator clip L9851-03 ×1, Test pin set L9852 ×1, Carrying Case C0212 ×1, LR6 Alkaline battery ×8, Instruction manual ×1, Operating precautions ×1, Wireless adapter Z3210（IR5051-90 only） |
