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Teledyne 9110EH - Nitrogen Oxides Analyzer User Manual

Page 251

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Model 9110EH Instruction Manual APPENDIX A

Setup Variable

Numeric

Units

Default

Value

Value

Range

Description

SPRESS_TPC_GAIN

0

0-10

Sample pressure compensation
attenuation factor.

CE_FACTOR1

1

0.8-1.2

Moly converter efficiency factor for
range 1.

CE_FACTOR2

1

0.8-1.2

Moly converter efficiency factor for

range 2.

CONV_TIME

1 SEC

33 MS
66 MS

133 MS
266 MS

533 MS

1 SEC
2 SEC

Conversion time for PMT detector
channel. Enclose value in double

quotes (") when setting from the
RS-232 interface.

SG_CONV_TIME —

33

MS Same as

above.

Conversion time for PMT detector

channel in single-gas measure
modes. Enclose value in double

quotes (") when setting from the

RS-232 interface.

FILT_SIZE

Samples

42

1-500

Moving average filter size.

SG_FILT_SIZE

Samples

60

1–500

Moving average filter size in

single-gas measure modes.

FILT_ADAPT

ON

ON, OFF

ON enables adaptive filter; OFF

disables it.

FILT_OMIT_DELTA PPM

0.05

0.005-
0.1

Absolute change in concentration
to omit readings.

FILT_OMIT_PCT

%

10

5-50

Percent change in concentration to
omit readings.

FILT_SHORT_DELT PPM

0.04

0.005-
0.1

Absolute change in concentration
to shorten filter.

FILT_SHORT_PCT

%

8

5-50

Percent change in concentration to

shorten filter.

Samples

6

1-30

Moving average filter size in
adaptive mode.

SG_FILT_ASIZE

Samples

10

1–500

Moving average filter size in
adaptive mode, in single-gas

measure modes.

FILT_DELAY

Seconds

120

0-200

Delay before leaving adaptive filter
mode.

SG_FILT_DELAY

Seconds

60

0–200

Delay before leaving adaptive filter
mode in single-gas measure

modes.

NOX_DWELL

Seconds

2.5

0.1-30

Dwell time after switching valve to
NO

X

position.

SG_NOX_DWELL

Seconds

1

0.1–30

Dwell time after switching valve to

NO

X

position in single-gas measure

modes.

NOX_SAMPLE

Samples

2

1-30

Number of samples to take in NO

X

mode.

FILT_ASIZE

M9110EH Rev 0

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