Make a ball mould which inner diameter in 25mm, put the ice ball in the in the barrel, then open the solenoid valve, pushing the ice ball impact the PV module with speed in 23m/s detection the impact range, Determine whether the PV mould qualified or not, after appearance inspection, measurement to Insulation resistance and maximum power.

HT-PV-09A PV Hail Tester

Effective impact area: >2.0m× 1.35m
Send speed setting: 23.0m/s
Speed measure accurately: ± 2%
Speed windage range: ± 5%

Instrument basic structure:
Gun automatic positioning
Pneumatic send system
Module bracket (removable)
Optical fiber Superhigh speed measure system

Hail mold (inside diameter: 25mm+5%)
Hail diameter: 25mm± 2%
Hail mass: 7.53G± 2%