EEVblog #603 – Gas Sensor Teardown – Dräger Multiwarn II


What’s inside a Dräger Multiwarn II gas detection warning system used in mining, oil, chemical, and emergency services etc to detect hazardous or explosive atmospheres.
Intrinsic safety design and how both catalytic bead and infrared IR gas detectors work, and pellistors.
And a teardown of a Hydrogen Sulfide (H2S) sensor.

http://www.a11supply.com/images/file/rev1_MultiWarn%20II_En.pdf
http://www.draeger.com/sites/assets/PublishingImages/Products/cin_x-am_5600/US/draeger-sensor-portable-handbook-9046571.pdf
http://www.xinpian.net/MOTOROLA/MC68HC711/MC68HC11E1.pdf
Forum HERE

About EEVblog

Check Also

EEVblog 1415 – Reverse Engineering the DP10007 Differential Probe

Reverse engineering the Micsig DP10007 high voltage differential probe. Turning the PCB into a schematic. ...