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Probe interfaces
![PI 7-3 probe interface navigation image](/cmmsupport/knowledgebase/media/img/gen/d1097601af7349ee9d6506ed5355caff.jpg)
The PI 7-3 interface is a dual purpose interface designed to process signals from the TP7M strain gauge probe and standard touch-trigger probes.
![PI 200-3 probe interface](/cmmsupport/knowledgebase/media/img/gen/7ba64fe0c40c4b40866d6ca203fbe941.jpg)
A dedicated interface unit which powers and services the TP200 probe, standard touch-trigger probes and up to two SCR200 stylus changing racks.
![IS1-2 interface selector](/cmmsupport/knowledgebase/media/img/gen/a7b596e87bf64c8b919dcefb5b4ec32d.jpg)
The IS1-2 interface selector is a fully automatic system for use on CMM installations requiring multiple sensor types.