Operator Manual

748223-K June 2002

Model 7003M

NOTE

The low calibration point must be between the initial calibration point (step 1 of previous procedure) and zero, and the high calibration point must be between the initial calibration point and 20mA.

If the third point calibrated (step 8, previous procedure) is actually another low range (between the initial calibration point and CCL) it will override the original CCL but won't affect the initial calibration.

NOTE

The current output linearizing procedure uses second order polynomials to adjust the output linearity. The correction effect is maximized at the calibration point, and is smoothly diminished towards the endpoints.

d.Test Alarm Relays

1.Disconnect any alarm or ON/OFF- Control devices that are connected to the analyzer, before testing.

NOTE

When alarms are tested manually, any alarm or ON/OFF-Control devices connected to the relays will respond as they would in an alarm condition. The alarm devices may have to be disconnected from the relays for this test.

2.Toggle the relays ON and OFF using the ALARM 1 and ALARM 2 keys.

A-1 ON or A-2 OFF is displayed. The alarm contacts can be heard opening and closing.

3.Connect any alarm or ON/OFF- Control devices that were disconnected in step 1.

4.Press ENTER to exit the DIAGNOSTICS mode.

"Hld" flashes alternately with the last oxygen reading and the analyzer returns to HOLD mode.

5.Press ENTER again to return to RUN mode.

4-5 ADJUSTMENTS AND SETTINGS

All operator settings and adjustments are made using the front keypad except if the power jumpers are to be changed. Refer to the following sections:

2-5b Power Connections on page 2-4

3-5d Zero Offset Adjustment on page 3-15

4-4a Raw Sensor Voltage on page 4-8

4-4c Linearizing Current Output on page 4-8

4-10 Calibration and Adjustments

Rosemount Analytical Inc. A Division of Emerson Process Management