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Infrared Sensor - SMTIR2102

• contactless measurement of surface temperatures or Infrared radiation
• temperature measurement on moving objects
• continuous temperature control of manufacturing
• thermal alarm systems
• climate control
• medical instruments like “earguns”
• home appliances

Model Number: SMTIR2102
Data Sheet:

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Product Specification

Introduction:

The Smartec infrared sensor SMTIR2102 is a sophisticated full silicon infrared sensor. The sensor can be used in measuring the radiation temperature without any contact. For the different radiation temperature ranges various filters are available. The sensor type SMTIR2102 contains a temperature sensor for measuring the temperature of the sensor itself. The temperature range of the sensor-element is between - 20 to 100℃. The sensor is available in a standard TO-05 encapsulation and with a 5.5. µm. high pass filter.

Typical applications：

• contactless measurement of surface temperatures or Infrared radiation

• temperature measurement on moving objects

• continuous temperature control of manufacturing

• thermal alarm systems

• climate control

• medical instruments like “earguns”

• home appliances

Features：

• High accuracy

• High sensitivity (7mV@100℃)

• Low resistance (70 KΩ) and therefore

• Very good signal-to-noise-ratio

• Good response time (12 ms)

Specifications：

Parameter	Typical	Unit	Condition
Thermo pile
Active area	0.64	mm²
Die size	3	mm²
Window size	3.8	mm Ø
Field of view	88	⁰	@ 50% signal
Resistance of thermopile (Rth)	70±35	KΩ	@ 25℃
TC of Rth	-0.06	%/K
Output Voltage (OV)	7,0±2	mV	@25℃, Tobl = 100℃, see graph
TC of OV	-0.45	%/K
Noise equivalent voltage	45	nV/Hz^1/2	rms value
Time constant	12	ms	±20%
Filter cut on	5.5	µm	±10%
NTC
Reference thermistor	100	KΩ	Tamb = 25℃
beta value of thermistor	3955	K	0 -- 50℃
Operating temperature	-20 -- +85	℃
Storage temperature	-40 -- +100	℃
Package	TO-05