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Teledyne GFC-7000E - Trace CO2 Analyzer User Manual

Page 244

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Model GFC7000E Instruction Manual

APPENDIX A-2: Setup Variables For Serial I/O, Revision

E.0APPENDIX A-3: Warnings and Test Functions, Revision E.0

045840110 Rev B.3

233

SETUP VARIABLE

NUMERIC

UNITS

DEFAULT VALUE

VALUE RANGE

DESCRIPTION

ET_TARGET_CONC

PPM 40,

400

3, 8

1–10000

Target concentration during

electrical test.

ET_CONC_RANGE

Conc. 50,

5000

3, 8

0.1–50000 D/A

concentration

range

during electrical test.

STD_TEMP

ºK 321

1–500

Standard

temperature

for

temperature compensation.

STD_PRESS

"Hg 28.5,

28.7

8

, 28.8

12

,

28.1

4

1–50

Standard pressure for

pressure compensation.

BENCH_SET

ºC 48

Warnings: 43–53

0–100

Optical bench temperature
set point and warning limits.

WHEEL_SET

ºC 68

Warnings: 63–73

0–100

Wheel temperature set point
and warning limits.

ZERO_ENABLE

3, 5, 8

— ON,

OFF

8

OFF,

ON

ON enables auto-zero
calibration using scrubber;

OFF disables it.

ZERO_FREQ

3, 5, 8

Minutes 5,

20

5

0.1–1440 Auto-zero

calibration

frequency.

ZERO_DWELL

3, 5, 8

Seconds,

Minutes

5

7, 5

5

1–60, 1–30

5

Dwell time after closing or

opening zero scrubber valve.

ZERO_SAMPLES

3, 5, 8

Samples

15

1–1000

Number of zero samples to
average.

ZERO_FILT_SIZE

3, 5, 8

Samples 5

1–100

Auto-zero

offset

moving

average filter size.

ZERO_LIMIT

3, 5, 8

Ratio 1.2,

1.15

3, 8

0–5

Minimum auto-zero ratio
allowed; must be greater

than this value to be valid.

ZERO_CAL

3, 5, 8

Ratio

1.18

0.5–5

Calibrated auto-zero ratio.

CO_SPAN1

Conc. 40,

400

3, 8

1–10000,

1–20000

3, 8

Target CO concentration
during span calibration of

range 1.

CO_SLOPE1

1

0.001–999.999

CO slope for range 1.

CO_OFFSET1

0

-10–10

CO offset for range 1.

CO_SPAN2

Conc. 40,

400

3, 8

1–10000,

1–20000

3, 8

Target CO concentration
during span calibration of

range 2.

CO_SLOPE2

1

0.001–999.999

CO slope for range 2.

CO_OFFSET2

0

-10–10

CO offset for range 2.

RANGE_MODE

— SNGL

0

SNGL,

DUAL,

AUTO

Range control mode.

CONC_RANGE1

Conc. 50,

200

6

, 500

3, 8

0.1–50000

D/A concentration range 1.

CONC_RANGE2

1

Conc. 50,

200

6

, 500

3, 8

0.1–50000

D/A concentration range 2.

CONC_RANGE3

10

%

15

1–15

D/A concentration range 3
(CO

2

).