User's Manual

5 Using the manifold
15
With both NTC temperature probes connected, Δt is also shown.
> Press
[Mean/Min/Max]: to display min. / max. readings and
mean values.
Leak test / pressure drop test
Systems can be tested for tightness with the temperature-
compensated leak test. The system pressure and the
ambient temperature are measured over a defined period of
time, typically with an inert gas such as Nitrogen. A
temperature probe can be connected that measures the
ambient temperature. : Optional air temperature probe,
part. no. 0613 1712) is recommended.
Measurement data of the temperature-compensated
differential pressure and temperature, from start to the end
of the test, is displayed. It is possible to perform a leak test
without connecting a temperature probe.
1. Press [Mode] ΔP is displayed.
2. Start the leak test: Press
[R, ►, ■]. ΔP is now flashing and
hh:mm timer is on.
3. End the leak test: Press [R, ►, ■]. ΔP stops flashing and
hh:mm timer stops.
- Result is displayed. Note: Leak test time duration and ΔP value
4. Confirm the message: Press
[Mode] to exit leak mode.
Changeable
- Evaporation
Temperature (Ev)
- Measured
Temperature (T1)
- Superheating (SH)
Changeable
- Condensation
Temperature (Co)
- Measured
Temperature (T2)
- Subcooling (SC)
Condensation
pressure
Evaporation
pressure