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Earthing Resistance Testing
RPT-2026-013 - performed 5 Apr 2026 by Waqar Ahmed
Health score
85
Measurements taken
6
0 outside reference
Findings
2
Customer visibility
Shared
Measurements
Each reading against the reference it is judged by.
| Measurement | Reading | Reference | Result |
|---|---|---|---|
| Open circuit voltage (string A) | 702 V | Within 5% of design | Pass |
| Short circuit current (string A) | 12 A | Within 8% of nameplate | Pass |
| Earth electrode resistance | 1.7 ohm | Below 5 ohm | Pass |
| Insulation resistance (DC+ to earth) | 58 Mohm | Above 1 Mohm | Pass |
| Max module temperature | 48 C | Below 25 C above ambient | Pass |
| Performance ratio on test day | 66% | Baseline 85% | Pass |
Context
- Site
- Sana Iqbal
- Customer
- Sana Iqbal
- Capacity
- 7.5 kW
- Work order
- JOB-2026-0103
- Technician
- Waqar Ahmed
Recommendation
Bring cleaning forward by one cycle and re-torque the affected strings within 30 days.
Score 85 / 100Findings
Defects recorded during this inspection.
Bird nesting under array
MinorOpenPigeons nesting between modules and roof. Bird mesh recommended for the full perimeter.
Heavy soiling on lower rows
MinorOpenDust accumulation reducing output on the two lowest rows more than the rest of the array.