Product No: LS-DDT1-B
Rotating Barrel Drop Test Machine | Roller Drum Drop Tester is according to IEC 60068-2-31 Annexe A (instead IEC 60068-2-32), IEC 60884-1 Clause 24.3 standard of the “mechanical strength” test requirements. It assesses the drop resistance of electrical accessories.
Standard:
 IEC 60068-2-31 / GB/T 2423.7 “Basic environmental testing procedures Part 2: Test – Test method: Free fall” Annexe A
 IEC 60884-1 / GB/T 2099.1 “Plugs and socket-outlets for household and similar purposes – Part 1: General requirements” Clause 24.3
Test Purpose of the Rotating Barrel Drop Test Machine: 
 • Durability of the outer shell;
 • (Heavy) Drop resistance of the internal structure;
 • Adaptability to repeated free falls.
The Rotating Barrel Drop Test Machine simulates the free fall of the object under test during normal use by the user:
 • Put the measured object into the Rotating Barrel artificially
 • Turn off the transparent cover and protective device
 • The motor drives the Rotating Barrel rotating against time clockwise
 • Rotating a week and fall twice
How does the Rotating Barrel Drop Test Machine function:
 • A drop frequency is realized by the motor (5 rpm)
 • Falling height is 500mm or 1000mm
 • The barrel structure ensures that the measured objects fall randomly to avoid abnormal friction and collision movement
Specification:
| LISUN Model | LS-DDT1-B | LS-DDT1-A | LS-DDT2-AB | 
| Rotating Barrel Quantity | Single Rotating Barrel | Double Rotating Barrel | |
| Rotating Barrel Width | 275mm | ||
| Drop Height | B=500mm | A=1,000mm | A=1,000mm and B=500mm | 
| Max EUT weight | 5kg | ||
| Drop frequency | 1~20 Times/min(or 2~10 rpm) | ||
| Testing Times | 0~999,999 Times(Adjustable) | ||

IEC 60068-2-31 Appendix A

Figure A1 Rotating Barrel
