Category: home appliances small home appliances

Question:

vacuum pressure gauge how to look at ah, it has three layers inside and outside readings, the most outer layer is -70 to 60, the unit is CF12, to the second floor is -100 to 40, in units of CF22, the third layer is -0.1 to 1.5, in units of MPa, thank Zhijiao !!!!!!

Answer:
first and second layers do not have much meaning, implies that a refrigerant evaporation temperature, CF12 is a refrigerator used for the evaporation of Freon-12 temperature, CF22 is the air conditioner evaporating temperature of the Freon 22 on that MPa (MPa) and can be seen, 0.1MPa is equivalent to a atmospheric pressure. (one atmospheric pressure is 1 kg per square centimeter of pressure) -0.1 to 1.5 in magnitude between 1 and 15 in the negative

Answer:
CF12, CF22 This seems to be stored corresponding to the refrigerant Bar
a result of the third floor to see

Answer:
is to look at the third layer. Generally smaller than the vacuum-0.1MPA can be.

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