TESTO 570 Series - Page 32

7 Using the product
32
2
Press [▲] / [▼] to select Measuring
Mode and press [Menu/Enter] to
confirm.

The Measuring Mode menu is
displayed.
3
Press [▲] / [▼] to select Compressor Test (DLT) and press
[Menu/Enter] to confirm.

The measurement menu is
displayed.
The DLT temperature is shown on the
display.
4
Connect the refrigerant hoses.
4.1
Close the valve positioners.
4.2
Connect the refrigerant hoses for low-pressure side (blue) and high-
pressure side (red) to the measuring instrument.
4.3
Connect the refrigerant hoses to the system.