Service manual

MDS E-SCAN MPR E-SCAN OPERATION/CALIBRATION

2.3 Calibration Selection (Note: To access calibration enter password “0000")

The calibration menu contains

four menu options:

1. Limits - This option contains

the system limits for alarms,

purge cycle, analog output and

filter weight.

2. Meas. - This option allows

entry to the calibration

measurement routine. This is used

to calibrate the process

measurement so that a linear

interpolation can be made to get

the Refractive Index based on the

current measurement voltage.

3. Temp. - This option allows

entry to the calibration temperature compensation routines. This is used to compensate the

process measurement changes that are caused by temperature changes.

4. Anlg. 0 (Analog Zero) - This option is used to adjust or “zero in” the instrument to match a

target value.

Using the Front Panel buttons, the operator can highlight and then select the specified calibration

menu options. Selecting the “Limits” menu option would generate the following display:

Using the Front Panel arrow

buttons, the operator can scroll

through and edit selected system

limits. In this example,

Measurement Alarm Divert can

now be changed using the

RIGHT ARROW button.

Calibration Mode Screen

Calibration Limits Screen 1