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Hail Tester

The hail tester uses an air-pressurized launcher that shoots ice balls representing hailstones of a predetermined size at the module or collector mounted on the support frame.
As hail can cause major damage to solar panels in many parts of the world, hail impact testing is an important solar panel quality and safety test


Test Standard

Testing Method

IEC61215-2

MQT 17

Hail Test

Technical requirements

Applicable component size: ≥2.6m×1.5m module (with module rails)

Vertical launch mode to effectively eliminate the velocity deviation caused by hail gravity acceleration.

Hail machine speed: 23.00~39.50m/s (software setting)

Speed measurement accuracy: ±2%

Hail launcher: Hail diameter: 25, 35, 45, 55, 65, 75mm (1 set each)

Hail molds: 25/35/45/55/65/75 each 12 pieces

Hail diameter: 25/35/45/55/65/75mm±5%

Ball diameter accuracy: ±5%

Puck mass accuracy: ±5%

Launch Success Rate (±5% Speed): ≥80%

Ice Making, Ice Storage Tools: Freezer 1 (-10°C±5°C), Freezer 2 (-4°C±2°C)

Electronic Balance: Accuracy 0.1mg, Range 210g

Positioning Method: Laser Standard + Manual Method;

Laser positioning, coordinate storage, automatic positioning