Chapter 5 Calibration; Calibrate Menu; Entering The Calibration Menus - Emerson Rosemount FCL-01 Reference Manual

Reference Manual
00809-0200-3412
5 Calibration
5.1

Calibrate menu

The Calibrate menu allows you to do the following:
1. Calibrate the RTD (temperature sensing element) in the chlorine and pH sensors.
2. Calibrate the pH sensor. Four methods are available:
3. Calibrate the chlorine sensor.
4. Calibrate the analog outputs.
5.2

Entering the Calibration menus

Complete the following steps to enter the Calibration submenus on your 56 Transmitter.
Procedure
1. With the main display showing, press ENTER/MENU to display the main Menu.
2. Press ENTER/MENU.
3. Choose the sensor (measurement or temperature) or output to be calibrated.
Rosemount FCL 56
a. Two-point automatic buffer calibration
b. Manual two-point buffer calibration.
c. Standardization (one-point calibration) against either a grab sample or an
in-process measurement.
d. Manual entry of pH sensor slope and offset if they are already known.
The cursor is on Calibrate.
Sensor 1 (S1) is the free chlorine sensor; sensor 2 (S2) is the pH sensor (if present).
Calibration
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