RD-913FB5 Pyro-electric Flame sensor
For Fire Detection
*Fire detection devices in oil storage stations, large warehouses, factory workshops, forests, and charging piles;
*High fire risk area configuration like petroleum, chemical, paper-making, forests, and garages.
- *4.45um detection band;
- *TO-5 package, single channel, voltage mode;
- *Low microphone effect, large FOV, high detection rate;
- *Detection band measurement of flame signal;
RD-913FB5 pyro-electric flame sensor uses lithium tantalate single crystal as the sensitive element material. The Curie temperature of lithium tantalate crystal material is above 600℃, the relative dielectric constant is small, and the specific detectivity is high.
In a wide range of room temperature, the pyroelectric coefficient of the material changes very little with temperature, and the temperature change rate of the output signal is only 1-2‰. The temperature stability of the sensor performance is very good, and the spectral response consistency is very good in the wavelength range of 1-20um.
|Sensitive element size||Φ2.5||mm|
|Filter center wavelength||4.45||um|
|Electrical time constant||5||s|
|Thermal time constant||200||ms|
|Output signal V0 (500K,10HZ,25℃)||3.6±10%||v|
|Output noise voltage VN (10HZ, BW1HZ, 25℃)||≤150||mv|
|Voltage response rate (no window) Rv (500K, 10HZ, 25°C)||≥500||v/w|
|Specific detection rate (no window) D* (500K, 10HZ, BW1HZ, 25℃)||≥5×108||cmHz½/W|
|Field of view(FOV)||>115||°|
|Remarks: The magnification of the testing machine is 80dB.|
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