Siemens 7MB2335, Operating Instructions Manual, Page: 57 / 168

Operation
5-7
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03
5.3 Warm-up Mode
The analyzer can be in one of three operating modes:
S
In the warm-up mode,
S
in measuring mode (Section 5.4),
S
or in input mode (Section 5.5) .
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Warm-up mode
Time left 02:02 min
AUTOCAL
Time left 01:44 min
Purging with CAL gas
AUTOCAL
Time left 0:44 min
Purging w. meas. gas
A nalyzer status
Calibration
Parameters
Configuration
403.8 vpm CO |
1875 vpm NO |
936.4 vpm SO
2
|
4.2 % O
2
|
Warm-up mode
Meas. mode Input mode
53a
53b
53c
53d 54 55
ENTER
Fig. 5-3 Warm-up mode, measuring mode and input mode
Immediately following switching-on, the ULTRAMAT 23 tests the
display elements. During this test, all elements light up simultaneously
for approx. five seconds.
The adjacent display subsequently appears with the remaining
warm-up time which is counted down in seconds to 00:00 (minutes :
seconds).
The analyzer initially carries out an AUTOCAL during the warm-up
mode (see Section 4.3.1). The flow of AUTOCAL gas (nitrogen or air)
is displayed in the bottom line, and the remaining time is shown in the
line above this. This calibration cannot be interrupted.
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53a
Warm-up mode
Time left 02:02 min
53b
AUTOCAL
Time left 01:44 min
Purging with CAL gas
53c