RD-913FB5 Pyro-electric Flame sensor
For Fire Detection
Applications :
*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.
Product Advantages:
- *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;
Product Description:
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.
Technical Parameters:
Item | Typical | Unit |
Window Size | 5.0*5.0 | mm |
Sensitive element size | Φ2.5 | mm |
Filter center wavelength | 4.45 | um |
Electrical time constant | 5 | s |
Thermal time constant | 200 | ms |
Source Voltage | 0.4~0.7 | v |
Working Voltage | 2~15 | v |
Recommended voltage | 3~5 | v |
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 | ° |
Detection distance | 35~50 | m |
Working temperature | -30~+75 | ℃ |
Storage temperature | -40~+80 | ℃ |
Remarks: The magnification of the testing machine is 80dB. |
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