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Rotary Encoder Sensor. It is a mechanical sensor that detects when a rotary dial is being turned and in what direction, this allows a user to precisely control volume / temperature / mode etc via a knob. The sensor consists of four parts: • frame (made of tin plate), • moving contact (liquid crystal polymer, phosphor bronze, silver plating), • insulating case (polyphenylene sulfide), • terminal (phosphor bronze, silver plating). The sensors are imported on a reel with 800 sensors per reel.

SPIRIT LEVEL FOR USE TO DETERMINE WHETHER A SURFACE IS HORIZONTAL (LEVEL) OR VERTICAL (PLUMB). THE CONSTRUCTION COMPRISING 1 HORIZONTAL VIAL, 2 VERTICAL VIALS ON ALUMINIUM RECTANGULAR PROFILE.

CALIBRATION DEVICE

A POLYURETHANE FOAM COMPONENT PART OF A CT SCANNER . IT IS USED FOR X-RAY CT IMAGE CALIBRATION FOR PATIENTS PRIOR TO RADIOTHERAPY TREATMENT. THE MAIN FEATURE IS THAT IT IS MADE FROM MOULDED MATERIAL WITH A CONSISTENT DENSITY THROUGHOUT. IT HAS LINES ON IT WHICH ALLOW IT TO BE ACCURATELY LINED UP ON THE THE CT SCANNER DURING USE AND IT ALLOWS THE SCANNER TO BE CHECKED TO SEE IF IT MEETS AN AGREED SPECIFICATION.

CATPHAN PHANTOM USED TO COMPLETE PERFORMANCE EVALUATIONS OF COMPUTED TOMOGRAPHY (CT) SCANNERS, FOR ACCURACY VERIFICATION OF PATIENT CT IMAGES PRIOR TO RADIOTHERAPY TREATMENT BEING DELIVERED. THE PHANTOM IS CONSTRUCTED FROM MODULES THAT FIT SNUGGLY INTO A 20 CM HOUSING. THE PURPOSE OF THE CATPHAN IS THE CALIBRATION AND VERIFICATION OF IMAGE QUALITY, PROVING THE MACHINE MEETS THE SPECIFICATION STATED. THE CATPHAN IS MADE FROM SOLID CAST MATERIALS AND DOES NOT CONTAIN ELECTRONIC DEVICES.