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19" rack unit and portable versionOrdering notesSpecial selection rules must be observed when measuring some components. Measured component N2O 7MB2335, 7MB2337 and 7MB2338
(application: Si chip production) - Measuring range 0 to 100 / 500 ppm (MB designation "E")
- Can only be used to measure N2O in ultra-pure gases
7MB2337 and 7MB2338
(application: measurement in accordance with the requirements of the Kyoto protocol) - Measuring range 0 to 500 / 5 000 vpm (MB designation "Y")
- Requires simultaneous measurement of CO2 for correction of cross-interference
7MB2337-*CP*0-*SY* or
7MB2338-*DC*0-*SY* (including NO measurement) 7MB2337 and 7MB2338
(application with paramagnetic oxygen measuring cell and separate gas path) 7MB2337-4**80-**** - Z + C11
7MB2337-5**80-**** - Z + C11 7MB2338-4**80-**** - Z + C11
7MB2338-5**80-**** - Z + C11 Measured component SF6 7MB2335, 7MB2337 and 7MB2338
(application: SI chip production) - Measuring range 0 to 500 / 2 500 ppm (MB designation "H")
- Can only be used to measure SF6 in inert gases
Calibration interval (MCERTs versions 7MB2335, 7MB2337, 7MB2338) Component | Smallest measuring range | Calibration interval | Remarks | Z suffix |
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CO | 0 … 150 mg/m? | 5 months | IED 2010/75/EC | E50 | CO | 0 … 250 mg/m? | 12 months | IED 2010/75/EC | | NO | 0 … 100 mg/m? | 5 months | IED 2010/75/EC | E50 | NO | 0 … 250 mg/m? | 12 months | IED 2010/75/EC | | SO2 | 0 … 400 mg/m? | 12 months | IED 2010/75/EC | | N2O | 0 … 500 ppm | | Kyoto protocol | | N2O | 0 … 50 mg/m? | 6 months | IED 2010/75/EC | |
Calibration interval (TUV versions 7MB2355, 7MB2357, 7MB2358) Component | Smallest measuring range | Calibration interval | Remarks | Z suffix |
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CO | 0 ... 200 mg/m? | 1 month | 13th/27th BImSchV | TX3 | NO | 0 ... 150 mg/m? | 1 month | 13th/27th BImSchV | TX3 | SO2 | 0 ... 400 mg/m? | 1 month | 13th/27th BImSchV | TX3 |
| | AUTOCAL
(ambient air) | AUTOCAL
(inert gas e.g. N2) | | Calibration with calibration gas | Comment (keep to technical specs) | Zero point | Calibration point | Zero point | Calibration point | Zero point | Calibration point | Hours | Weeks | | | | IR components | 3 ... 24 | 3 ... 24 | o | 52 | | O2 - electrical chemical sensor | Stable | 3 ... 24 | Stable | - | 52 | o | | O2 paramagnetic Cell | - | 3 ... 24 | x | x | 1 | o | at MB < 5% | - | 3 ... 24 | x | x | 8 | o | at MB > 5% | O2 paramagnetic Cell | x | x | 3 ... 24 | - | o | 52 | at MB < 5% | x | x | 3 ... 24 | - | o | 52 | at MB > 5% | H2S sensor | 3 | - | 3 | - | o | 12 | | o = with AUTOCAL, x = not applicable |
Calibration intervals, standard devices
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