Greisinger temperature meter thermometer gth 175 deries greisinger gth 175pt the greisinger gth 175pt is a handy and extremely rugged precision digital thermometer the thermometer can measure the temperature in liquids airgas and soft media the measurement is performed with a pt1000 probe permanently connected to the measuring instrumentthe immersion probe has been manufactured from stainless steel diameter 3mm the probe has a silicone cable and plastic handle and are food safe