The PCS range of tool monitors offer a low cost tool breakage detection system for:-

Manual machines
Automatic machines
PLC controlled machines
CNC lathes
CNC sliding head lathes
Vertical machining centres
Horizontal machining centres
Rotary transfer machines
Linear transfer machines
Single spindle automatics
Multi spindle automatics
Assembly machines

and many more...

The unit can also be used in reverse logic as a 'free space' monitor. This gives an 'OK' signal when an object is absent. A typical use for this is a 'part-off' detector for a CNC lathe.