8
knob, adjust the need to pull the knob out slightly, counterclockwise rotation to open the
air flow channel, clockwise rotation to close the air flow channel.
Gas flowmeter: the right side of the gas flow meter below a flow adjustment knob, the
same counter-clockwise rotation to open the air flow channel, clockwise rotation to close
the air flow channel.
Purifier: the purifier for the consumables, after a long period of use, the purification effect
will be reduced, it is recommended to use the time accumulated for 200 hours or more
than a year after the replacement. When replacing, remove the top side of the baffle screws,
remove the purifier from the instrument, remove the clamp with a screwdriver to remove
the purifier tube, take a new purifier and push it back into the instrument. Into the
compressed gas into the self-purification mode to check the phenomenon of no leakage,
and finally lock the baffle screws.
5.the system function menu description
Working mode selection
In the main interface, press "
▲
" "
▼
" key to select the working mode as "program
control", "manual control", "self-purification mode"
Programmed Sampling: The recommended program controls the sampling mode. For
details, see Section 2 of this chapter.
Manual control: to meet some of the user's manual control of special needs, in this
mode, press the "start", enter the manual control interface, the bottom of the screen shows
the current two airway solenoid valve status, press "
▲
" Change the state of the airway
solenoid valve, press the "Select" button to switch to select another airway solenoid valve.
Self-purification mode: Press "
▲
" "
▼
" key to change the self-purification time, press
the "Start" button to start self-purification. In the access to compressed gas (cans)
conditions, open the self-purification after the gas through the air inlet
→
purifier
→
pressure control valve
→
gas flow meter
→
sampling head, through the air flow to the
sampling process of exhaust airway residue. (Equivalent to the "open air open" state in
manual control mode).
