there are inductive proximity switches sensors................. maximum sensing range is 10 mm .....check out them at farnell/newark...............hope this helps ----- Original Message ----- From: Ravi Pailoor To: Sent: Saturday, June 05, 1999 4:42 AM Subject: [OT] Metal detector sensors > Are there any new sensors to detect metal. ( not the age old method with > coils) > > Thanks > > Pailoor > > -- > Website : http://business.vsnl.com/chiptech > >