Overheating thermometer used to verify the correct temperature differential refrigerator gas. The intake and exhaust side evaporator you need to measure to get the two temperatures. The difference obtained by subtracting.
Test thermometers are available in boxes. Cm. Fig. 1-30. Field protects thermometer. It is important to keep a thermometer in working condition. Several guidelines should be followed. Fig. 1-31 illustrates keep the test thermometer in good working condition.
Prevention of kinks in the capillary - this is important. Keep capillary clean by removing grease and oil. Clean the case and crystal with a mild detergent...