
3
OPERATION
3.1
Testing of low-pressure breathing airlines and mobiles
(i)
Turn on power by pressing and holding the ON/OFF button on the
keypad for approximately 2.5 seconds. The unit will display the
model and serial number.
Press enter
to confirm the date of the last
calibration and the battery condition.
Note: It is recommended that your F3000 is calibrated within a 12-
month period.
(ii)
If the battery condition is OK
Press enter
(iii)
Ensure the system flow control valve is closed then connect the air
supply from the breathing-air system to the tester via a suitable
hose
Note: Minimum inlet pressure 1.5 bar
Maximum inlet pressure 10 bar.
Press enter
IMPORTANT: If the unit is overpressurised it will automatically
shut down and display an overpressure warning; it will then
need to be returned to the manufacturer for inspection and
resetting.
Note: The above service is chargeable.
(iv) Adjust the system flow control valve so the normal flow required for
the face-piece shows on the flowmeter, best achieved by raising
beyond the set point and lowering the flow so the flowmeter reads
the required value. (120 litres for half and full masks, often more for
air-fed visors, hoods and suits; check flow requirements with the
appropriate RPE data sheet.) It is recommended that this flow is left
running for the duration of the test to simulate the conditions of use.
Carry out the odour test by smelling the air exhausted from the
sintered outlet above the flowmeter.
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Содержание F3000
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