Phymetrix POA200 - Page 12

6
Functions of front panel：
No.
Name
Funcion
1
Power/Dimness
adjust button
Hold this button to power on or power off; Quick
presses will adjust the screen light.When monitoring for
long periods, you can dim the screen to save power.
2
Up/calibration
button
Only in the measuring interface you can perform the
calibration operation, all other interfaces scrolls up.
3
Down/clear curve
button
In the measurement interface you can eliminate the
displayed curve, all other interfaces scrolls down
4
Confirm/save
button
Function keys, long press will save your data, short
press to confirm.
5
Flow adjusting
needle valve
Adjust gas flow
6
Flowmeter
Display the gas flow, a range of 0.2 to 2, the unit is
SCFH
7
By pass/sample
4-way valve
ON, allow sample gas to bypass to exhaust
port ,otherwise allows the sample gas to flow via the
sensor
8
Display screen
Displays the concentration of oxygen, process time,
minimum and maximum difference, the current time,
power and other parameters
Table 1