![background image](http://html1.mh-extra.com/html/eurotron/microcal-20/microcal-20_instruction-manual_2440972064.webp)
Instruction Manual MM850432 ed. 05c
64
If you have to verify the switch on a pressure, select “
Pressure
” and the type of the sensor to use, internal or external:
If you have to verify the switch on a temperature, select “
Temperature
” and choose the proper channel.
•
Confirm and then perform the test, verifying whether the contact is
Close
or
Open
Switch Test
10.0 mbar
Contact Open
0.0 mbar
Switch Test
0.0 mbar
Contact Close
15.0 mbar
During a switch test, at the first line you can read the measure in real time. The second line
shows the status of the switch and the third line indicates the measure held at the moment
of switch commutation.
5.14 Leak
Test
It is possible to perform a leak test of pressure (only in models with pressure sensors).
MicroCal 20 carries out 4 different pressure readings at settable interval times (T1..T4). At the end, the difference between the last and the first readings, with the aim of giving a leak
measure.
•
Press
[
MENU
], the following page is shown:
MENU
Configuration
Unit
Ramp-Memory scan
Data logger
Advanced
Press < > to SET
Select “
Advanced
”
Advanced
Switch Test
Leak Test
HART
Trx simulator
Graph
Press < > to SET
Select “
Leak Test
”
Leak Test
OnOff [off]
Channel [Pe]
Wait Time [10]
Leak Time [60]
Press < > to SET
Pressure
Pl
Ph
Pe
Press < > to SET