Led Mining Lamp In Low temperature

sample status/

amount

3 samples in working condition

experimental

 objective

2.Put the product into the high and low temperature box, the product spacing is greater than or equal to 10 cm, adjust the temperature controller to -40℃;

 3.After 16 hours, leave at room temperature for 1 ~ 2 hours, then check appearance, structure and function; 

4.The test time is calculated when the test chamber reaches the required temperature conditions

test method

1.Function check: main lamp, secondary lamp, three-color lamp, charge liquid crystal display to the leader whether the function is normal;

2.Structural inspection: whether the shell material deformation, whether the cable loose;

3.Appearance inspection: no cracks on the surface of the shell and other phenomena inconsistent with the state before testing;

judgment basis

testing time

(hour)