Narrow View Angle Thermopile is more focusing on view angle than a conventional type of thermopile. It is an infrared thermopile sensor that realize the more accurate temperature measurement in pinpoint by 1 sensor.
In order to measure a temperature more accurately, a object to be measured temperature need to be within a visible area for the sensors. Therefore, an accurate optical design of a mirror, lens, or else parts is necessary
It makes easier focusing on a object to be measured temperature with accurate measurement by using this narrow view angle thermopile built in a optical part one body.
Output signal will not be reduced because SEMITEC’s original optical design will not cause the infrared amount loss.
A spot temperature measurement without using optical parts such as mirror or lens for gathering rays of light is possible. It is suitable for a non-contact thermometer or an equipment that require a built-in types non-contact temperature measurement.
|Light receiving area||1.05×1.05mm2||Absorption film size|
|Voltage sensitivity||15V/W±30%||Reference value|
|Output voltage※1||1.7mＶ||Actual value|
|Output voltage※2||0.95mV||Actual value|
|Sensitivity temperature coefficient||0.02%/℃±0.02||Reference value|
|Thermopile resistance||65kΩ±30%||at 25℃|
|Thermopile resistance temperature coefficient||±0.1%/℃|
|Noise voltage||33nV/√Hz1/2||Johnson Noise
r.m.s., 298K, 1Hz representative value
|Specific detectability||4.7×107 cm･Hz1/2/W||Reference value|
|Time constant||15ms||Reference value|
|Temperature range||-20～100℃||Reference value|
|Storage temperature||-40～100℃||Reference value|
|Angle||±12.5deg.||Output to 50% senility|
|Transmission wavelength band||Cut on 5μm||Standard part|
|Insulation resistance||≧500MΩ||DC25V applied|
|Thermistor resistance Value||100kΩ±3%||25℃ at zero power resistance|
|Thermistor B Value||3435K±3%||B25/85|
|Thermistor rated power||0.5mW||at 25℃|
※1 Test Condition (Black body Temperature：500K, Sensor-Blackbody Distance：100mm, Sensor Temperature：298K, Aperture size：φ12.7mm)
※2 Test Condition (Black body Temperature：310K, Sensor Temperature：298K)