Тех. данные
Заказные данные
Ordering notes
Special 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)
7MB2338
(application in accordance with the requirements of the 30th BImSchV, "biomass")
- Measuring range 0 to 50 / 500 mg/m³ (MB designation "S")
- Requires simultaneous measurement of CO2 and CO for correction of cross-interference
7MB2338-*BL*0-*SS*
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 (TÜV versions)
| Component | Smallest measuring range (TÜV) | Calibration interval | Remarks | Z suffix |
| CO | 0 … 150 mg/m³ | 5 months | 13./27. BImSchV | E50 |
| CO | 0 … 250 mg/m³ | 12 months | 13./27. BImSchV | |
| NO | 0 … 100 mg/m³ | 5 months | 13./27. BImSchV | E50 |
| NO | 0 … 250 mg/m³ | 12 months | 13./27. BImSchV | |
| SO2 | 0 … 400 mg/m³ | 12 months | 13./27. BImSchV | |
| N2O | 0 … 500 ppm | | Kyoto protocol | |
| N2O | 0 … 50 mg/m³ | 6 months | 30. BImSchV | |
| | 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
