EBME Forums Forums Maintenance Technical Assistance oxygen sensor of primus Anaesthesia machine

Regarding to your problem its seem electrochemical sensor on Primus MOPS pcb SW 1.31/ PGM 3 and no problem at all for Primus with paraagnetic pato sensor on MOPS pcb SW 1.33/ PGM2 pcb SW 2.15
Try to contact local Drager engineer to up garde soft ware and replaced O2 sensor with Paramagnetic Pato sensor.