ACCESSORY; MODIFIER: CALIBRATION; MANUFACTURER NAME: ENDRESS HAUSER; NUMBER OF
PART: CUY52-AA+GDT5; EQUIPMENT OF WHICH IT IS PART: RECTIFIER; ADDITIONAL FEATURES: ACCESSORY FOR VERIFICATION AND CALIBRATION CUS52D SENSORS, SOLID STATE REFERENCE TO VERIFY SENSOR OPERATION IN CAVES ALMOST WITHOUT LIGHT DISPERSION, CALIBRATION CUBES: CU