Inductive sensors from IFM Electronic.
Seltec Automation have supplied ifm electronic products for over 30 years. The name  efector™ has now become a symbol of innovative design in the industrial sensor market place. IFM Electronics Efector 100™ provides a full range of inductive and capacitive sensing devices. Follow the links below to see the shapes and sizes available. Each page has a list of available parts from the IFM electronic range.
Standard range inductive sensors	Inductive sensor for the food and pharmaceutical industry
Inductive sensors for coolants	Weld-immune inductive sensors
Large size inductive proximity sensors
For complete part number listings, use the following links.
Small inductive sensors	M30 inductive sensors
M8 inductive sensors	34mm smooth inductive sensors
M12 inductive sensors	Small rectangular inductive sensors
M18 inductive sensors	Large block inductive sensors
20mm smooth inductive sensors	Limit switch style inductive sensors