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Start-up
4-5
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03
The cycle time of the AUTOCAL (time between two automatically
triggered calibrations) can be set between 0 and 24 h. The cyclic
calibration is switched off if you enter ”0” as the parameter.
Notice
During warm-up mode, however, an AUTOCAL is carried out twice,
approx. 5 min and approx. 30 min after switching on.
In order to compensate variations in ambient temperature, you should
select cycle times between 3 and 12 h.
4.3.2
Calibration
Following installation of the analyzer, you can calibrate it using
calibration gas (see Section 5.8). The calibration should be carried out
with a gas containing a sufficient concentration of the measured
component (between 70 and 100 % of the full-scale value in N
2
or
synthetic air).
Caution
The calibration gas is connected via the sample gas inlet.
S
Make sure that the gas flow is between 1.2 and 2.0 l/min.
S
The analyzer must have been in operation for at least 30 minutes
before commencing with measurements since a good stability of the
analyzer section is only guaranteed after this time (99 % value).
The compensation of the temperature influence is stored in the
EEPROM in the ULTRAMAT 23. Modifications can only be made in the
factory.
Any noise which may occur can be suppressed by adjusting various
time constants (see Section 5.9).
The calibration should be repeated every six to twelve months
depending on the ambient conditions.
Cycle time
Use of calibration
gas
Carrying out a
calibration
Compensation of
temperature
influence
Noise suppression
Содержание 7MB2335
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Страница 8: ...I 4 Operating Instructions ULTRAMAT 23 Gas Analyzer C79000 B5276 C216 03 ...
Страница 22: ...Installation Guidelines 2 8 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 ...
Страница 112: ...Shut down 7 4 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 ...
Страница 113: ...8 1 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 Spare Parts List 8 ...
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Страница 156: ...Appendix 9 4 Operating instructions ULTRAMAT 23 gas analyzer C79000 B5276 C216 03 Your comments please ...
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