Arrangement for exchanging measuring and/or sampling probes

摘要

An arrangement for exchanging measuring and/or sampling probes capable of beig slipped on to a holding means arranged on the lower end of a lance, includes a grab clamping the probe and movable from an operation position below the lance into a position laterally therebeside. A centering means is provided above the grab being in the operation position to align the lance with the grab. In order that the grab will be placed always in the same operation position, the centering means includes two catch arms moveable from a resting position lateral of the holding means into a catch position fixing the holding means in alignment above the grab being in the working position.