LABTEC ECO static User Manual page 11

2. Complete device (Demand Valve)
2.3 Opening pressure / cut-in pressure at # l/min suction
2.4 Static overpressure
2.5 Inhalation resistance at 40 x 2.5 l/min breathing (only with ECO dynamic)
Step Activity
Connect demand valve in combination with a
2.3.1
SCBA base unit to the test device.
Open high pressure main valve with main valve
2.3.2
switch.
Switch on vacuum pump with switch 10l/min
2.3.3
Inhalation to produce constant flow.
Read the opening / closing pressure of the de-
2.3.4
mand valve on the display (LP).
Switch off the pump by pressing the 10/lmin In-
2.3.5
halation switch again.
Close high pressure main valve with main valve
2.3.6
switch.
2.2.7 Completely vent the test device.
Connect demand valve in combination with a
2.4.1
SCBA base unit to the test device.
Open high pressure main valve with main valve
2.4.2
switch.
Read the static overpressure of the opened de-
2.4.3 mand valve on the display (LP) and compare it
with the setpoint.
Close high pressure main valve with main valve
2.4.4
switch.
2.4.5 Completely vent the test device.
Connect demand valve in combination with a
2.5.1
SCBA base unit to the test device.
Open high pressure main valve with main valve
2.5.2
switch.
2.5.3 Start breathing with switch for artificial lung
2.5.4 Read the low pressure on the display (LP).
2.5.5 Stop breathing with switch for artificial lung
Close high pressure main valve with main valve
2.5.6
switch.
2.5.7 Completely vent the test device.
User Manual Labtec ECO
A 2 Testing of demand valves
page 11
Comment
Check correct device connection!
High pressure flows into the unit and
is present in the unit.
until the regulator opens and the
maximum negative pressure point is
reached
Check correct device connection!
High pressure flows into the unit and
is present in the unit.
Test only for positive pressure lung
valves
Check correct device connection!
High pressure flows into the unit and
is present in the unit.
Read the minimum low pressure
during the inhalation
operating
elements
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