Greisinger gmsd 350 mr ready to plug in pressure probe greisinger gmsd 350 p the greisinger gmsd 350 mr is a ready to plug in pressure probe for over under and differential pressure measurements it is suitable for use with gmh 3110 3111 3150 3151 3155 3156 and gdusb 1000 pressure meters p p application air and non corrosive non ionising gases non corrosive and non ionising gases liquids p greisinger gmsd 350 mr pressure sensor compatible with gmh 3150