Monitoring of temperature may require only peak, valley or average temperature to be recorded.

A MEDACS can combine the inputs from an Infra Red Temperature Monitor and a photocell or proximity switch to take readings from a continuous process, taking readings only when signalled to do so by the switch. A (4 to 20) mA output proportional to temperature and a relay closure can be provided to count readings, if necessary within certain parameters, i.e. only count rejects etc.