RayTek MARATHON MM SERIES - Page 46

Operation
46 Rev. D7 Jul 2017 Marathon MM
All ambient background temperature compensation functions are enabled through the DataTemp
Multidrop software, see the software help for set up instructions, or refer to the required command
protocol in section 10.8.6 Ambient Background Temperature Compensation, page 74.
Figure 25: Ambient Background Temperature Compensation with Second Infrared Sensor
Sensor 2
targeted
to ambient
Sensor 1
targeted
to object
Thermal radiation
of ambient
Thermal radiation
of target
0 – 5 VDC analog signal at external
input for ambient compensation
Furnace wall
Target object