Autool LM70 Originalanleitung Seite 16

Parameter Name
T1
T2
SH
SC
2. Power on the instrument.
● To ensure measurement accuracy, perform a pressure zeroing
of the device before each measurement (in atmospheric
pressure environment).
●
Press the [
●
Enter the interface and perform the zeroing operation in the
refrigeration mode option.
● All connectors must be zeroed before connecting to the equip-
ment.
● Press and hold the [
until it automatically disappears, completing the pressure
zeroing.
●
Connect the refrigerant hose.
● Select the refrigerant and set the units based on the actual
situation.
Measured pipe evaporation temperature
Measured pipe condensation temperature
Superheating evaporation pressure temperature
(When T1 > EV, SH value shows the difference of
T1 and EV, otherwise ... indicates normal data).
Subcooling condensation pressure temperature
(When CO > T2, SC value shows the difference of
CO and SC, otherwise ... indicates normal data).
] button.
] button, and the display will show P=0
15
Description