
MEMS Thermal Sensors
D6T
Contactless measurement
creating energy-efficient and comfortable living spaces

MEMS Thermal Sensors D6T
High Accuracy, Smaller Footprint, East to Work With
OMRON's unique MEMS technology allows combining thermopile elements
and ASICs into one package resulting to ultra-compact footprint.
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MEMS Thermal (IR* sensor) measures the surface temperature of objects without touching them
when the thermopile element absorbs the amount of radiant energy from the object.
*IR: Infrared Ray
Low noise
Easy
connection
Compact size
Achieving the highest level of SNR* in the world *
* SNR: Signal-to-Noise Ratio. Compares the level of a signal to the level of background noise
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As of December 2017, according to OMRON research
*
Converts sensor signal to digital temperature
output allowing easy use of microcontroller
Space-saving design,
well-suited for embedded applications
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Cross-section
view of D6T sensor
Infrared ray
Detect wavelengths in the range 8-12 μm
Silicon lens
far-infrared focusing
MEMS thermopile
Electromotive force occurrence
ASIC
Low noise amplifier
MCU
A/D conversion,
calculation, I2C and I/F
MEMS
thermopile
Detection principle
Si
The sensor utilizes the seebeck effect in which thermoelectric
force is generated due to the temperature difference that occurs
across the junction points of two different types of metal.
Thermopile
Infrared rayCold junction Cold junction
Hot junction

MEMS Thermal Sensors D6T
Human Detection
D6T series sensors can detect human presence by sensing changes in human
body temperature with respect to the surrounding temperature.
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D6T application fields Air conditioners, lighting systems, security systems, nursing care and monitoring equipment
D6T series sensors can detect the slightest temperature changes that can be used in
variety of applications including energy-efficient home appliances and security systems.
The sensors can also be used in the application fields of HEMS (Home Energy Management
System) and BEMS (Building Energy Management System).
Installation condition
63.5°
Sensor
2m
Recommended type: D6T-44L-06 (4x4-element / viewing angle: X=44.2 Y=45.7° / Object temperature range: 0 – 50degC)
1m
2m
4m
Detection results of temperature distribution
4m 2m 6m

MEMS Thermal Sensors D6T
Object Detection
D6T sensors can detect objects by pinpointing the target object temperature.
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