64
© 2020 All rights reserved. Data subject to change without notice.
LPT-M - Operation Manual
Rev. B | 2020.11
Step 2
In the Sensor C
onfi guration Menu (passcode 3032), press either ARROW key to scroll through the
menu and select the channel with the Oxygen sensor you want to calibrate. Press ENTER and use
the ARROW key to scroll to Calibrate Zero. Press ENTER and use the ARROW keys to enter a value of
0.
Attach the regulator to the cylinder of Nitrogen (N
2
), insert calibration adapter into the sensor
opening on the front of the enclosure door (see Section
7.3.1 Calibration Adapter Plug
if the adapter
will not fi
t). The Zero Calibration will start when the fl ow of gas is detected.
When the process has fi nished and the Zero calibration was accepted, press ENTER to Exit and
remove the cylinder of Nitrogen gas. Refer to Section
7.3.3 Zero - Requires Override
if the Zero
calibration was not successful.
8 ACCESSORIES
8.1 Splash Guard
(Option -S)
The splash guard attaches to the front of the enclosure to protect
the sensor during water spray or washdown applications. It is
factory installed and when attached the enclosure meets IP54
standards. To calibrate a device with a splash guard, use the Cal Clip.
NOTE:
A specialize splash guard (Option -SN) must be used for
sticky gas sensors such as Chlorine (Cl
2
), Chlorine Dioxide (ClO
2
),
Hydrogen Chloride (HCL), Hydrogen Cyanide (HCN), Hydrogen Fluoride (HF), Ozone (O
3
) and
Phosphine (PH
3
).
NOTE:
A splash guard will slow down the response time of the sensor.
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