January 2011 ACP&D Limited are pleased to be able to announce that their product portfolio has been enhanced by the addition of tachogenerators and encoders. Both the tachogenerators and the encoders are Radio Energie devices which are able to meet most market requirements and with extensive stocks available these high quality tachos and encoders can usually be supplied quickly to meet the customer's requirements. For more details of our Radio Energie tachogenerators click here. The Radio-Energie optical incremental encoders measure with the highest accuracy the angular speed and position of rotating shafts in industrial environment. They use a differential optical and ratio metric principle to minimize temperature and photodiode ageing effects.