6 Using the product
20
Key functions
> [▲]
or [▼]: Change the readings display.
Possible display combinations:
Evaporation pressure
Refrigerant evaporation
temperature to/Ev
Condensation pressure
Refrigerant condensation
temperature tc/Co
or (only with inserted temperature sensor)
Evaporation pressure
Measured temperature t
oh
/T1
Condensation pressure
Measured temperature t
cu
/T2
or (only with inserted temperature sensor)
Evaporation pressure
Superheating ∆t
oh
/SH
Condensation pressure
Subcooling ∆t
cu
/SC
or (only with third inserted temperature sensor T3)
Condensation pressure
Measured temperature T3/T3
or (only with plugged on clamp probe)
Evaporation pressure
Condensation pressure
Measured current value
or (only with inserted oil pressure probe)
Evaporation pressure
Condensation pressure
Measured oil pressure P
ext
With two inserted NTC sensors (T1/T2) ∆t is additionally displayed.
> [Min/Max/Mean/Normal]: Show Min. / Max. measurement
values, mean values (since switching on).
6.2.2. Tightness test / pressure drop test
The temperature compensated tightness test can be used
to check the leak tightness of systems. For this purpose
both the system pressure and the ambient temperature are
measured over a defined period of time. For this purpose a
temperature sensor to measure the ambient temperature
may be connected (recommendation: Deactivate the
surface compensation factor and use NTC air sensors Art.-
No. 0613 1712).
See also Deactivating the surface compensation factor for
immersion and air temperature probe, page 16.
This provides information about the temperature
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