Answer
Nov 24, 2023 - 10:39 AM
This MSA Sirius can be repaired and opened so this makes the sensors replaceable. MSA decided to discontinue the reproduction of sensors for the Orion, Sirius, and Solaris gas detector series. The only sensor left available that is compatible with those detectors is the O2A2 sensor from Alphasense.
Here is a link to the O2A2 Sensor
Here is a link to the O2A2 Sensor
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