- CS: Single-piece sensor with smart LED display. They are available in normal or micro version. For the micro version the rigid part is shorter and is easier to use in narrow area. The CS model could only be use with the USB interface.
- CT: Two-pieces sensor with separated electronic box including programmable keys and display. The CT model has generally a fastest response time that the CS model. The control box give a flexibility of many interface as USB, RS485, RS485, Profibus & Ethernet.