Positive Pressure Lung Demand Valve With Medium Pressure Coupling - Dräger Testor 2100 Notice D'utilisation

Positive pressure lung demand valve with
medium pressure coupling
Preparing the test device
Necessary accessories:
— Test piece PE (R 51 591)
— Test piece P (R 50 028)
— ESA adaptor (AG 02 406)
 Detach the test head.
 Connect the medium pressure
hose of the lung demand
valve (1).
The plug-in coupling must
engage.
 Switch off the positive pres-
sure function at the lung demand valve.
 Open the compressed air supply.
 Connect the lung demand valve with the test piece/
adaptor to the round thread connection (2).
 Activate the measuring point
"Round thread connection" (3).
Check for leaks
1)
 Set the test time (1).
 Generate a test pressure
Briefly pull the joystick for fine
adjustment forwards several
times (2).
The pressure is displayed on
the low pressure manometer (3).
 Start the timer (1).
 Read the pressure at the end of the test time and com-
pare the pressure difference with the target value
Testing the switching pressure and static positive
pressure
 Briefly activate the joystick
several times and slowly
increase the negative pressure
(1).
 Read the negative pressure (2)
and compare with the target
1)
value .
 Read the static positive pressure (2) and compare with
1)
the target value .
Testing the metering valve
1)
 Set the test time (1).
 Generate the test pressure
 Start the timer (1).
 Read the pressure at the end
of the test time and compare
the pressure difference with
1)
the target value .
1) Refer to the Instructions for Use of the lung demand valve.
26
2
1
3
1)
:
3
2
1)
2
1
1)
.
2
Ending the test
 Depressurize the line system.
 Remove the test assembly.
1
.
1