User Manual Labtec ECO
page 14
www.labtec.de
A 3
Testing of SCBA
5
Pressure Regulator (base unit)
5.3
Dynamic Medium pressure at 40 x 2.5 l/min breathing (only with ECO dynamic)
5.4
Opening pressure of the pressure regulator safety valve (only with module option SI)
6
Complete Device
6.1
High pressure tightness test
Step
Activity
Comment
operating
elements
5.3.1
Connect demand valve in combination with a
SCBA base unit to the test device.
Check correct device connection!
5.3.2
Open high pressure main valve with main valve
switch.
High pressure flows into the unit and
is present in the unit.
5.3.3
Start breathing with switch for artificial lung
5.3.4
Read the medium pressure on the display (MP).
Read the minimum medium pressure
during the inhalation process
5.3.5
Stop breathing with switch for artificial lung
5.3.6
Close high pressure main valve with main valve
switch.
5.3.7
Completely vent the test device.
5.4.1
Connect demand valve in combination with a
SCBA base unit to the test device.
Check correct device connection!
5.4.2
Open high pressure main valve with main valve
switch.
High pressure flows into the unit.
5.4.3
Close high pressure main valve with main valve
switch.
Test instrument/test specimen are
under pressure.
5.4.4
Increase medium pressure with specific button
until thepressure regulator safety valve opens.
Only carry out testing if prescribed by
the manufacturer, otherwise the de-
vice may be damaged.
5.4.5
Read the medium pressure on the display (MP).
5.4.6
Completely vent the test device.
6.1.1
Connect demand valve in combination with a
SCBA base unit to the test device.
Check correct device connection!
6.1.1
Open high pressure main valve with main valve
switch.
High pressure flows into the unit.
6.1.2
Close high pressure main valve with main valve
switch.
Test instrument/test specimen are
under pressure.
6.1.3
Read high pressure on the display (HP), start
stop watch.
6.1.4
After a preset time of # min, read the high pres-
sure again and compare it with the previously
measured value.
Compare difference value with per-
missible deviation.
6.1.5
Completely vent the test device.
