Greisinger gte 130 ok type k penetration probe plug in type without cable greisinger gte 130 ok p the greisinger gte 130 is a plug in penetration probe for liquids gases and soft media the rigid v4a probe is 100mm in length with a diameter of 1 5mm the probe is fitted with a din type flat pin plug with a rigid connection p greisinger gte 130 ok type k penetration probe mini thermocouple plug