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Bieler-Lang - Model ExDetector SC 220 -Detector
FromBieler Lang GmbH
With the ExDetector SC 220, combustible gases and vapors can be detected in the measuring range from 0 to 50 % LEL. A semiconductor gas sensor is used for the measurement, which is very robust. It is often a useful alternative to sensors that cannot be used due to the presence of catalyst poisons in the atmosphere.
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The ExDetector SC 220 is stand-alone capable, i.e. it can independently initiate protective measures without the additional use of an evaluation device. Integrated low-voltage switching outputs for pre-alarm and main alarm as well as sensor fault are available. It can also be connected conventionally to an evaluation center.
It can be used in Ex zone 2.
- electrical safety of the equipment:
II 3 (2) G
Ex nA de [ib] IIC T4
PTB 07 ATEX 1002 - detectable gases:
explosive gases and vapors
Sensor type M: methane
Sensor type P: propane, heptane, hydrogen
Sensor type S: R134a
- Measuring range 0 – 50 % LEL (lower explosion limit)
- Measuring principle semiconductor gas sensor
- linear measuring signal 4 – 20 mA
- One-man calibration – direct calibration at the detector (optional operating device)
- Integrated low-voltage switching outputs for pre-alarm and main alarm