Autool LM110 Посібник користувача - Сторінка 7

Переглянути онлайн або завантажити pdf Посібник користувача для Вимірювальні прилади Autool LM110. Autool LM110 12 сторінок. Digital manifold gauge

3.Long press SETTING button to enter setting mode for adjusting unit.(see 6-4

SETTING)

4.There will be 10 digits displayed after instrument turned on. Long press ZERO

button to zero reading.

5.Operate vacuum according to instructive operation of refrigeration system.

6.Obtain test reading of vacuum pressure and vacuum degree.

7.Turn off valve and vacuum source.

6.3. Pressure Leak Test

Pressure Leak Test is used for inspecting how much does pressure change in some

time after refrigeration system has been filled with some refrigerant or vacuumed.

1.Instrument should be turned on with valve turned off.

2.Press FUNCTION button to select Pressure Leak Test mode as below figures.

Figure with" P", the small number at top right corner refers to difference value of

pressure.

Figure with"STRT", the small number at top right corner refers to original pressure.

Figure with"TIME", the small number at top right corner refers to test time duration

with format "Hour : Minute".

Difference Value of Pressure

Original Pressure