WARNING
Operation of analyzers in hazardous areas
For safe operation of the analyzer in hazardous areas, it is essential to observe the information
and conditions referred to in the "ATEX compact operating instructions for ULTRAMAT 23".
3.4.2 IR analyzer unit
To ensure compliance with the technical specications, a cycle time of ≤ 24 hours must be
activated for the AUTOCAL. The technical specications are based on a sample gas pressure of
1013 ±5 hPa absolute, a sample gas ow of 1.2 ±0.2 l/min and an ambient temperature of
25 ±2 °C.
General information
Measured components Maximum of 3
Measuring ranges See ordering data
Display resolution Depends on the selected measuring range
Chopper compartment purging
• Inlet pressure
• Purging gas consumption
Approx. 3000 hPa (43.5 psi) absolute
Approx. 100 ml/min
Time response
Warm-up period Approx. 30 minutes at room temperature. The measured values are invalid
for the rst 30 minutes following switch-on. The maximum accuracy is
achieved after approx. 2 hours
Response time (T
90
time) Dependent on length of analyzer chamber, sample gas feed line
and parameterizable attenuation
Damping (electronic time constant) 0 ... 99.9 s, adjustable
Measuring behavior at analog output
Output signal noise <1% of current measuring range (or smallest possible measuring range
according to nameplate)
Output signal resolution < 0.1% of the output signal span
Linearity error In the largest measuring range: < ±1% of the full scale value
In the smallest measuring range: < 2% of the full scale value
Repeatability ≤ 1% of the current measuring range
Description
3.4 Technical specications
ULTRAMAT 23
34 Equipment Manual, 04/2022, A5E37100388-012
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