RayTek 54301 operating instructions MID27

Installation
• Ambientbackgroundtemperaturecompensationfromasecond
temperaturesensor(infraredorcontacttemperaturesensor)
ensuresextremelyaccurateresults.Forexample,theoutputof
thesecondunit,setformVoutput,couldbeconnectedtothe
FTC2analoginput(0to5VDCcorrespondingtolowendand
highendoftemperaturerange)isutilizedforrealtime
compensation,wherebybothsensorsmustbesetonthesame
temperaturerange.
Target object
Furnace wall
0
–
5 VDC
analog outpu
t
at FTC2 inpu
t
Thermal radiation
of ambient
Thermal radiation
of target
Sensor 1
targeted
to ob
j
ec
t
Sensor 2
targeted
to ambien
t
Figure16:PrincipleofAmbientBackgroundTemperature
Compensation
MID27