The right temperature is an absolute requirement to get as much hatchability as possible. The temperature setting of the hatching machine proceeds automatically using a tool called a thermostat. In general, the hatching machine uses an electro-mechanical thermostat with a wafer type (capsule) heating sensor. This sensor consists of two pieces of the hollow plate made of brass and filled with ether, which will expand if heat increases and shrinks when heat decreases and produces motion that activates the microswitch (microswitch). Then this microswitch will turn off and turn on the heater. Thus the heat in the hatchery will rise and fall within a certain range, but should not exceed 1o C. For example, if the lowest temperature (when the heater is dead) is 38oC then the highest temperature (when live heater) is maximum 39oC. Meanwhile, you can also visit http://thermostatonline.com/ to check out the best thermostats for you to buy.
Setting the temperature of a hatching machine is actually quite easy, but in practice, it often seems difficult because people generally do not know (or do not want to know?) How it works. Therefore, for new users, it is highly recommended to understand how it works and experiment first.
The temperature setting also depends heavily on the accuracy of our reading thermometer. For that place the thermometer in the middle of the egg for the most accurate readings.