Talking about paper UV oil

3.4 Smell

There are two indicators for evaluating the odor of UV oil. One is the odor during construction. The main source is the residual solvent in the UV oil. Normally, the residual solvent content is less than 2%. In special cases, such as cigarette pack UV oil The requirement

Portable gas detector failure and solution 2

Portable gas detector failure and solution 2

Fault: In the air, there is no gas to be measured, but the value fluctuates greatly or jumps

solutions:

1. Generally, the short-term zero-point fluctuation range is less than 1% of the maximum range. It is within the norm