Siemens ULTRAMAT 23, Manual, Page: 37 / 244

Description
3.4 Technical specifications
ULTRAMAT 23
Manual, 3/2016, A5E37100388-003
37
Cross-sensitivities of measuring range 0 ... 100 mg/m
3
SO
2
(analyzer versions 7MB2335-xNTxx-xAAx, 7MB2337-xNTxx-xxxx, 7MB2337-xxxxx-xNTx, 7MB2338-xxxxx-xNTx)
The cross-sensitivities have been optimized. Typical results are:
Measured component
mg/m
3
SO
2
at zero point mg/m
3
SO
2
at reference point
O
2
- 3 vol % SO
2
2.4 - 1.2
O
2
- 21 vol % 1.2 - 1.7
CO - 300 mg/m
3
- 3.5 - 0.4
CO
2
- 15 vol % - 0.8 - 0.6
CH
4
- 50 mg/m
3
2.8 4.0
N
2
O - 100 mg/m
3
- 1.2 - 0.3
NO - 300 mg/m
3
- 1.3 1.9
NO
2
- 30 mg/m
3
- 1.2 - 1.8
NH
3
- 20 mg/m
3
- 0.3 1.1
HCl - 200 mg/m
3
- 7.5 4.9
Water vapor at dew point 4 °C (39 °F) 1.5 mg/m³ per 1 °C (1.8 °F) variation in dew point
Table 3- 2 Calibration interval for device series 7MB235x (TÜV versions of the 7MB233x series; as of February 2016)
Component Smallest measuring range
(TÜV versions)
Calibration interval Remarks
CO 0 … 150 mg/m³ 5 months 13th/27th BImSchV
CO 0 … 250 mg/m³ 12 months 13th/27th BImSchV
NO 0 … 100 mg/m³ 5 months 13th/27th BImSchV
NO 0 … 250 mg/m³ 12 months 13th/27th BImSchV
SO
2
0 … 400 mg/m³ 12 months 13th/27th BImSchV
N
2
O 0 … 500 ppm Kyoto protocol
N
2
O 0 … 50 mg/m³ 6 months 30th BImSchV
Maintenance interval for device series 7MB235x: See the current certificate in accordance with EN 15267.
Note
Device series 7MB235x
•
The table version is as of February 2016
•
The specified maintenance intervals refer to the Set CEM CERT systems.
•
Also refer to the current certificates in accordance with EN 15267.
•
The current certificates can always be found on the Internet at: Approvals and certificates
( https://support.industry.siemens.com/cs/de/en/ps/17728 )