WIKA CPP120-X Betriebsanleitung Seite 13

4. Design and function
Test item connection with G ½ female thread, loose union connection
1
As standard, the test item connections
instruments with other connection threads, the appropriate thread adapter can be
used see chapter 11 "Accessories").
Instead of a test item connection
system can directly mounted at the connection block
This enables to use the CPP120-X in combination with a model
CPM3500 mass set as a pneumatic dead weight tester.
Connection block G 1 female thread
2
Pressure supply pipes from the volume adjuster are terminated at two pressure
blocks mounted on the base.
The connection blocks are fitted with an G 1 female thread at the top which will come
through the cover of the base. The connection blocks enable to screw in the test item
connections .
1
Inlet valve
3
The inlet valve control the pressure supply into the instrument base.
By turning the inlet valve anti-clockwise, the pressure is increased.
■
By turning the inlet valve clockwise, the pressure increase is stopped.
■
CAUTION!
Damage of the inlet valve caused by overtightening
Overtightening of the valve will result a shorter working life and thus
involve maintenance.
▶
The valve has a 'soft seat' design and should only require to be finger-
tight to achieve an effective seal.
WIKA operating instruction, model CPP120-X
have a G ½ female thread. For calibrating
1
, a model CPS3500 piston cylinder
1
.
2
13
EN