SCOPE:-
This test is conducted to check the ability of hot air fans (Room heaters with fans) to withstand rough handling.(mechanical strength and stability as per Cl.no.8.4.11.1).

TECHNICAL DATA:

Drop height: 50 mm
Counter: 5 digit stroke counter with knob reset
Reference Standard: IS 4283-1981 Cl. No.8.4.11.1

The fan shall be allowed to fall in its normal position of use, 50 times on a concrete floor, from a height of 50 mm. The hot air fan is kept on a frame attached by threads to hook of the dropping arrangement.

A Counter for counting drop cycle is coupled.

All the components of dropping arrangements is mounted on a rigid plate.The plate is fixed vertically on a stand consisting of a heavy metallic base plate with an arrangement to mount the plate on which dropping arrangement is fixed.

The base plate is finished in epoxy powder coat long lasting finish.

After the test, the fan shall show no damage, especially no live parts shall have been made accessible and handles, levers, etc, shall not have moved on their shafts. Damage to paints, small dents or cracks, which do not influence creepage distances or clearances or do not expose live parts, shall be neglected.