Connecting The Hardware; Adjusting The Zero (If Required) - Honeywell 301 Serie Mode D'emploi

Connecting the Hardware

1. Plug the calibration adaptor onto the gas sensor inlet.
2. Screw the regulator to the appropriate calibration gas cylinder (for either span or zero adjustment) and
set the flow rate to 0.1LPM for the S301-IRF or 0.5LPM for the S301-D2.
3. Connect the tubing to the regulator outlet and to the calibration adaptor or to calibration port.

Adjusting the Zero (If Required)

When the unit displays 0 %/ppm in an area with no presence of the target gas, proceed to "Calibrating the Sen-
sor" on the following page.
To adjust the zero, inject zero gas (nitrogen) at the specified flow rate. The gas must be allowed to flow into the
unit for a minimum of 2.5 minutes before beginning and then throughout the adjustment.
1. Press enter to access the programming menu. Since the menus are password protected you must first
enter the password in the PASSWORD screen
2. Use the up or down button to change each letter until VA is displayed. Press enter after each letter to
confirm and to access the menus.
3. Use the up or down arrow to scroll to the Set Zero menu screen and press enter to select.
4. Use the up or down arrow to select the sensor to be calibrated and press enter to select.
5. Press enter again when the screen displays GoCalib to start the zero adjustment
6. The Wait screen is displayed throughout the adjustment and the menu returns to the main
menu screen when the adjustment is complete.
7. Use the up or down arrow to scroll to the Quit menu and press enter to exit the programming menus.
96
PASSWORD
AA
Menu
Set Zero
H2S #1
SD #1
H2S #1
GoCalib?
Menu
*Quit*