How to control temperature precise by thermostat?

The most important thing is the position of the thermostat, Flease refer to the following precautions:

1) .Installation site of thermostat sensor should be on the surface of the pipe, which will be tested, and the site should be with thelowest temperature.

2) .The sensor of explosion -proof thermostat should be kept away from the heating cable and heating element to avoid interference from them, and caused inaccurate detection temper ature.

The sensor of explosion- proof thermostat only can be be installed horizontally and ver tically downwards, otherwise temperature will be instability.