User Manual LabModul 240
Page 9
www.labtec.de
3
Pressure reducer
3.1
Medium pressure, static at #
bar inlet pressure
3.2
Medium pressure, dynamic at # l/min ventilation
3.3
Medium pressure, dynamic at 10 l / min extraction (optional, not required by manufacturers)
Test
step
Operation
Comments
Controls
3.1.1
Open the bottle of the SCBA .
Medium pressure flows into the device.
3.1.2
Close the bottle of the SCBA .
Tester / DUT are under pressure.
3.1.3
Read the medium pressure on the LCD display
(MP) and compare with setpoint.
3.2.1
Open the bottle of the SCBA .
Medium pressure flows into the device.
3.2.2
Close the bottle of the SCBA .
Tester / DUT are under pressure.
3.2.3
Read the medium pressure on the LCD display
(MP) and compare with setpoint.
3.2.4
After a specified time of # min, read the medium
pressure again and compare with the previously
measured value.
Compare difference value with allo-
wable deviation.
3.3.1
Open the bottle of the SCBA and leave it open.
Medium pressure flows into the device
and is in the device.
3.3.2
Switch on pump with switch (9) and flow of
-
10 l /
min. produce.
Regulator must be connected.
3.3.3
Read medium pressure on the LCD (MP) dis-
play.
3.3.4
Close the bottle and relieve the medium pres-
sure with the button (12).
at the end of the test or continue with
further tests.
A 3
testing breathing apperatus
