Protégé Portable Gas Monitor
Instruction Manual
34 of 61
P/N 087-0038 Rev. J 02/10
NOTE
THE PROTÉGÉ HAS AN AUTOMATIC 80 SECOND TIMER WHEN THE APPLY GAS SCREEN IS DISPLAYED. IF USERS
ARE UNABLE TO APPLY GAS TO THE SENSORS WITHIN THE
80 SECONDS, CAL STOPPED WILL BE DISPLAYED.
PRESSING THE RIGHT OR LEFT OPERATIONAL BUTTON WILL EXIT CALIBRATION MODE AND THE PROCEDURE
MUST BE REPEATED
.
1) Verify the concentration level of the target gas in the cylinder match the settings of the
Protégé as set using the Scott Gas Monitor software. If needed, refer to Paragraph 4.6.3 for
information on how to adjust or verify the settings.
2) Attach the regulator to the gas cylinder and verify cylinder pressure.
3) Connect Tygon tubing to both the regulator and calibration adapter.
4) With the Protégé powered on, and if not already accomplished, press and hold the right
operational button until the Zero calibration completes and APPLY GAS or the optional
password entry screen is displayed on the LCD.
NOTE
IF OPTIONAL PASSWORD SCREEN IS DISPLAYED, PERFORM STEP 5. IF NOT, PROCEED TO STEP 6.
5) If needed, enter the 4 digit password using the left button to scroll through the numeric
characters and the right button to accept the entry and move to the next character.
NOTE
CAL STOPPED WILL BE DISPLAYED IF LONGER THAN 30 SECONDS HAS PASSED BETWEEN CHARACTER
ENTRIES
. PRESS EITHER THE LEFT OR RIGHT BUTTON TO EXIT CALIBRATION MODE AND RESTART PROCEDURE.
6) Attach the calibration adapter to the Protégé and apply gas from the regulator.
Figure 4-4. Span Calibration Setup
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