Posts Tagged ‘test’

How to test the life of metal dome?

Monday, November 26th, 2007

As a improtant part of switches, the life of metal dome is considered more improtant.But how to test the life, there are some issures by customers. Hereby, I’ll say more details about this.

1. Test Probe:  two kings to ne used: rubber probe & tungsten steel probe. Normally use the  rubber probe to test. the diameter is from 1.5mm to 3.5mm.

2. Test Force:  It’s the two times of the metal domes to be used.

3. Test Frequency: 2-3 times per second

Such as the 8.4mm, four-leg shape, 200g force metal dome, you can use the 1.5mm rubber probe, 400g force, and 3 times per sercond to test the life of metal dome.

Are you clear now for this problem? If not, please contact us for more information or see the below relative subjects:
1. Metal dome life
2. The specifications of metal dome
3. FAQs