Model MicroCEM

Instruction Manual

748467-A January 2002

Calibration Setting

Description

 

O2ZeroDriftLimit

O2 Allowed Zero Drift Limit.

 

COZeroDriftLimit

CO Allowed Zero Drift Limit.

 

NOXZeroDriftLimit

NOx Allowed Zero Drift Limit.

 

OSMidDriftLimit

O2 Allowed Mid Drift Limit.

If the drift exceeds the allowed amount a drift alarm

 

 

will occur, and the readings on the channel will no

COMidDriftLimit

CO Allowed Mid Drift Limit.

longer be valid until a successful calibration is com-

NOXMidDriftLimit

NOx Allowed Mid Drift Limit.

pleted.

O2SpanDriftLimit

O2 Allowed Span Drift Limit.

 

COSpanDriftLimit

CO Allowed Span Drift Limit.

 

NOXSpanDriftLimit

NOx Allowed Span Drift Limit.

 

O2Slope

Default value for the O2 slope

 

O2Offset

Default value for the O2 offset

Initial values for the emissions conversion slope and

 

 

offset used on a new system before the first Cali-

COSlope

Default value for the CO slope

bration is performed. These values should be set

COOffset

Default value for the CO offset

manually before the first auto-calibration is per-

NOXSlope

Default value for the NOx slope

formed.

NOXOffset

Default value for the NOx offset

 

O2SpanDef

Default O2 Span Calibration Gas value

O2MidSpanDef

Default O2 Mid Span Calibration Gas value

COSpanDef

Default CO Span Calibration Gas value

COMidSpanDef

Default CO Mid Span Calibration Gas value

NOXSpanDef

Default NOx Span Calibration Gas value

 

 

 

NOXMidSpanDef

Default NOx Mid Span Calibration Gas value

Gas1Allocation

Default Gas 1 allocation

Default allocation for O2/NOx/CO. 1 = Zero, 2 = Mid

 

 

Span, 3 = Span. Example: 133 =

Gas2Allocation

Default Gas 2 allocation

O2=Zero,NOx=Span,CO=Span

Gas3Allocation

Default Gas 3 allocation

 

AutoCalFrequency

Default Auto-Calibration frequency in hours and minutes (example: 24:00).

AutoCalTime

Default Auto-Calibration time in hours and minutes (military time).

Purge1

Default auto-calibration Purge 1 value in seconds.

 

 

Gas1

Default auto-calibration gas 1 time in seconds.

Gas2

Default auto-calibration gas 2 time in seconds.

Gas3

Default auto-calibration gas 3 time in seconds.

 

 

Purge2

Default auto-calibration Purge 2 value in seconds.

Table 3-3. Factory Settings – Calibration

Rosemount Analytical Inc. A Division of Emerson Process Management

Operation

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