Instruction Manual

760007-A July 2003

Model NGA2000 PMD

Menu: 105 RFHIST4A

Range 4 Factors

 

Manufacturer’s settings.

 

Zero offset:

000.0

Span factor:

000.0

Stored settings

 

Zero offset:

000.0

Span factor:

000.0

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RSTR MN

 

RSTR ST

 

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Menu: 106 TWEAKI1

Midpoint correction set up

This function allows you to set up to three midpoints that the analyzer will

It does this with a piece-wise linear algorithm. This

polynomial linearization. First disable the correction. Set the

Then enter the first midpoint gas value, run the gas, and when stable, press SET.

the actual reading, but the analyzer will

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Menu: 107 ANALSETI3

Midpoint correction set up

Then go to the second set point, and repeat. You can use up to three midpoints.

When you are done, set the correction to

WARNING: make sure that you do not have excessive corrections. If the correction is too odd, the calibration routine will fail, and you will not be able to calibrate the analyzer. In this case, try it again.

You can perform this correction individually for each range.

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7-36

Appendix A. Menu Displays

Rosemount Analytical Inc. A Division of Emerson Process Management