Teledyne PS200 Series, Руководство по эксплуатации и техническому обслуживанию, Страница: 50 / 58

PS200
PORTABLE GAS MONITOR
CALIBRATION
64171, Rev. 11/December 2019 9-2
9.2. Quick Calibration
This feature, if enabled, allows calibration without using the monitor’s set-up menu and passcodes.
Quick Calibration uses predefined calibration gas cylinder values saved in the monitor. The default
values are:
• 50% LEL
• 18% O
2
• 100PPM CO
• 25PPM H
2
S.
The user must ensure the correct calibration gas and regulator should be used.
1. To access the quick calibration feature, press and hold the L button while the monitor is
switched ON. The monitor will first enter self-test.
2. Continue holding the button until the self test finishes and the LCD displays ZERO CALIBRA
-
TION, as shown in Figure 9-2: ZERO CALIBRATION Screen .
Figure 9-2: ZERO CALIBRATION Screen
3. Next, in a clean air environment, press and hold the R button to zero calibrate the monitor
ranges. Once the zero calibration finishes, the monitor displays SPAN CALIBRATION, as
shown in Figure 9-3: SPAN CALIBRATION Screen
Figure 9-3: SPAN CALIBRATION Screen
4. Apply the gas to the monitor via a direct/fixed flow regulator (with a flow set at 0.5 l/min).
NOTE: These pre-defined cylinder values can only be adjusted via the monitor set-up
menu.