Description
The pyroelectric infrared sensor detects infrared radiation on the basis of the characteristics that the polarization of pyroelectric material changes with temperature. Dual compensated sensing elements are applied to suppress the interference resulting from temperature variation.
Technical Specification:
- IR Receiving Electrode: 2*1mm, 2elements
- Window Size: 3mm*4mm
- Spectral Response: 5-14um
- Transmittance: > 75%
- Output Signal: > 3300mV
- Detectivity: 1.4*108 cmHz1/2/W
- Noise[Vp-p]: 70mV
- Output Balance: 10%
- Offset Voltage: 0.3-1.2V
- Supply Voltage: 3-15V
Features:
- High sensitivity
- Long detecting distance
- Wide angle
- Strong stability
- Wide application fields
Applications:
- Security systems
- Burglar alarms
- Visitor acknowledgement
- Light switch control
- Intellectualized toy