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Witt MFA 9000 User Manual

Witt MFA 9000
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Page 22 of 46
WITT-GASETECHNIK GmbH & Co KG
Salinger Feld 4-8
: +49 (0)2302 89010
www.wittgas.com
Gas Safety- & Control Equipment
D-58454 Witten
Fax: +49 (0)2302 89013
witt@wittgas.com
7.3.4 Gain Calibration
The gain calibration procedure is only accessible after offset calibration. This is due to the fact that
a gain calibration with an improper offset leads to erroneous indication of the instrument.
The procedure of the gain calibration is analogue to the offset calibration. If the operator wants to
abort the gain calibration choose “ESC” in any menu to get back to the starting point “Gain Calibra-
tion”. If the operator now choose “NO” he is prompt to apply process gas. The gain remains un-
changed. However the recently determined offset is applied.
7.4 Diagnosis
The instrument has built in diagnosis and test functions. If the instrument is in the “safe mode”, the
operator needs the so called “Operator Code” in order to get access to diagnosis functions. By de-
fault the operator code is set to “111.000”.
7.4.1 Parameter Menu
The entire accessible individual configuration of the MFA 9000 is stored in about 200 Parameters.
In the Parameter menu all configuration and actual measuring can be retrieved from the instru-
ment. This may help to diagnose malfunction and mal settings.
The parameter menu gives the operator the possibility to scroll through the whole parameter list of
the MFA 9000.
To scroll forward within the parameter list press ENTER. To scroll backwards press UP. The num-
ber of the parameter is shown in the last line.
To leave the parameter menu press RIGHT. If the OK is marked press ENTER.
G
ain Calib.
Apply Gas
100.00
[%] ESC/OK
Stability
Targ. 100.00
Actu. 99.98
[%] ESC/OK
Sampling 10s
for Gain
Calibration
Please Wait
Save Calib.
Targ. 0.00
Actu. 0.00
[%] ESC/
OK
Gain
Calibration?
------------
YES/NO
Apply
Process Gas
Actu. 0.00
ESC/OK
Operation
Calibration
Diagnosis
Setup
0.30
[%] H2/N2
Parameter
Errors
Compound Raw
set: 3000.00
------------
P001 OK

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Witt MFA 9000 Specifications

General IconGeneral
BrandWitt
ModelMFA 9000
CategoryMeasuring Instruments
LanguageEnglish

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