A cylindrical Main capsule fitted with powerful magnet, which moves up & down alongwith the level rise or fall. This movement will be magnetically coupled with the follower Red indicator outside the chamber which is enclosed in the glass tube....
A float containing magnets moves with changing liquid level, in a non-magnetic, non-fragile chamber. Magnetically coupled follower (Indicap) or bi-coloured Rotocylinders (Rotocyl), indicate the level externally on a calibrated scale. What’s...