Anticollision TELEMETERS

CEIA Difference

Operating principle CEIA altimetric radar microwaves Doppler microwaves Induction field Optical Ultrasonic Electromechanical
Max. Distance measurement 99 m 20 ÷ 25 m 20 m 10 ÷ 15 m 28 m 2 ÷ 3 m
Digital setting of intervention distances YES* NO NO NO NO NO
Unaffected by environmental factors YES NO NO NO NO YES
Failsafe operation YES NO** NO YES YES -
Relative velocity information YES YES NO NO NO NO
Accuracy of measurement independent of velocity of the cranes YES NO YES YES NO YES
Automatic channelling (synchronisation between two or more telemeters) YES YES NO YES NO -
Easy to install YES YES NO NO NO YES

* Also programmable as a function of the speed approaching
** Reflector with active transponder