Infrared detection of muzzle flash
Muzzle flash contains one or more powerful infrared energy bursts which can be detected by Pyreos IR sensors without delay and remotely.
Our thin-film pyroelectric technology has very fast response. This means that the short IR impulses produced by a gunshot can be resolved more precisely than with other thermal detectors.
Pyreos ezPyro SMD sensors are ultra-low power, very small footprint pyroelectrics. The fastest pyroelectric sensors available, they are already in volume production indoor gunshot systems. They also can run in low power sleep mode and be “woken up” by an incoming flash.
Key features – ezPyro SMD
- Power consumption – 3.5 to 22 µA
- Small SMD package – 3.7 x 5.65 mm, 1.5 mm height
- Time constant 10 ms
- 15-23 bit ADC, 14 frame buffer
- Interrupt – wake-up by motion or data flow control
- Broad spectral sensitivity – 2µm to 15µm depending on filter choice
The fully integrated subsystem in an SMD package offers system cost advantage over other IR detectors. The system works as a fully integrated subsystem and benefits from a wide range of development tools including breakout boards and embedded code examples.
Fast design cycle with standard I2C serial interface and development tools
The industry standard I2C bus digital interface allows plug-and-play connectivity to most microcontrollers. Hardware-based communication is less software-intensive and reduces utilisation of microcontroller resources.
The fast development cycle of the ezPyro™ sensor family is supported by evaluation kits for flame, gas, motion and gesture detection. Other applications can be trialled using the ezPyro™ SMD prototyping system with up to 4 sensor breakout boards installed. Sensor evaluation without software development is enabled by Pyreos PC software.
ezPyro™ API is a firmware level driver providing access all functions of the integrated sensor system. No need to code command and register references before getting infrared signals out of your embedded development system!
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Standard product numbers are listed below by wavelength and application. You can click through to access more information.
✔ – filter option can be configured on this product type. Please inquire by clicking here to contact us.
We also provide bespoke wavelengths not listed here. If you need a different wavelength please contact us.
| Digital ezPyro IR | Analog IR | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Use | Wavelength (µm) | FWHM (nm) | Single SMD | Dual SMD | 2x2 SMD | TO39 | Single TO39 | Dual TO39 | Quad TO39 | Linear IR Array |
Broadband for bespoke filters |
2.2 | LP | ePY12121 | ✔ | PY2749 | |||||
CO2 Optimised for max centreline sensitivity |
4.35 | 600 | PY0573 | |||||||
CO2 Optimised for uniform sensitivity across FoV |
4.48 | 620 | ePY12251 | ✔ | PY1600 | |||||
CO2 Optimised for wide FoV |
4.55 | 420 | PY0574 | |||||||
CO2 Optimised for wide FoV |
4.64 | 180 | ePY12241 | ✔ | ✔ | |||||
H2O water vapour (hydrogen flame, HC flame) |
2.72 | 200 | PY2712 | |||||||
LP Human Motion Rejection |
5 | LP | PY1601 | |||||||
LP Human Motion Rejection |
5.5 | LP | PY0576 | |||||||
Welding/sunlight rejection |
3.38 | 190 | PY1580 | ✔ | ||||||
Welding/sunlight rejection |
3.91 | 90 | ePY12211 | ✔ | PY0575 | ✔ | ||||
✔ – filter option can be configured on this product type. Please inquire by clicking here to contact us.
If you cannot find what you need here, please contact us. We welcome custom filter requirements and can support rapid prototyping.
Networked gunfire detection and identification systems for indoor applications
Networked gunfire detection and identification systems for indoor applications
Gunshots generate noise, shock, and muzzleflash. Pyreos IR sensors analyse the flash. This system is used in schools, malls, offices and retail.
