Specifications

4
need do re-testing for the appearance and indication function and electrical
performance.The appearance shall be flat and no scratches, burrs and other
mechanical damages; Exposed metal parts shall not be corroded; and
indicating function and electrical properties shall be normal working.
5.2 Low temperature test
The experimental temperature is -20℃±3℃ for duration testing 8 hours with
the products is not packaged. After all recovery under the room temperature
that need do re-testing for the appearance and indication function and
electrical performance.The appearance shall be flat and no scratches, burrs
and other mechanical damages; Exposed metal parts shall not be corroded;
and indicating function and electrical properties shall be normal working.
5.3 Constant damp heat test
The experimental temperature is 40℃±2℃ for duration testing 48 hours with
the products is not packaged.and the humidity as 90%~95% conditions, After
finished the testing that need do re-testing for the appearance and indication
function and electrical performance.The appearance shall be flat and no
scratches, burrs and other mechanical damages; Exposed metal parts shall
not be corroded; and indicating function and electrical properties shall be
normal working.
6 Performance Impact Test
6.1 Vibration test
The frequency is 10-55 hz and the amplitude is 0.35 mm, and do the sweep
frequency as 10 times each directions .After finished the testing that need do
re-testing for the appearance and indication function and electrical
performance.The appearance shall be flat and no scratches, burrs and other
mechanical damages; Exposed metal parts shall not be corroded; and
indicating function and electrical properties shall be normal working.