Sentry Sample Sentry II High Pressure, Инструкция по установке, эксплуатации и обслуживанию

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32 Sentry Equipment Corp
4 . Select SETUP, MORE, PRV SETTINGS, and PRV TYPE, and enter the PRV password of 856 .
5 . Select the appropriate PRV TYPE and press ESC to exit .
6 . Select PRV RECALIBRATE and press enter to start recalibration . Press ESC when recalibration is
complete .
7. Replace the front cover. Attach the keypad extension cable to the CPU board. Secure
the front cover in place using the four screws located on the corners of the front cover.
Analog Input Calibration
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NOTE
The analog circuitry of the Sample Sentry II is calibrated at Sentry prior to shipment . Re-
calibration should be performed by properly trained personnel . Refer to the following
procedures to calibrate the analog circuits of the Sample Sentry II .
Tools Required: Calibrated milliamp supply, Calibrated voltage source
Calibration
1. Using the keypad, navigate to the Auto Calibration Screen by pressing the Menu
button, selecting Analog Inputs, entering the password (0202) then Auto Calibration.
(holding the menu key while pressing the up and down arrows to adjust value by 100)
(Select appropriate setting by using the up and down arrows to indicate which setting
you wish to select, then press the Enter button make your selection).
2. A screen displaying which channel you wish to calibrate should now be shown. Use
the up and down arrow to make your selection on which channel you wish to calibrate.
The channels available to calibrate are referenced in Figure 27.