Greisinger msd 400 bre stainless steel pressure sensor for gmh 31xx greisinger msd 400 bre p the greisinger msd 400 bre is a stainless steel pressure sensor that has been designed for the connection to an hand held instrument of the following types br gmh 3111 gmh 3151 gmh 3156 as well as gmh 3110 gmh 3150 and gmh 3155 p greisinger msd 400 bre digital pressure sensor