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The Core of Detection: Advantages of GEWEE’s Self-Developed PYS Pyroelectric Sensor Technology


fire escape panic factory workers terrified group

In the demanding landscape of industrial safety, precision and reliability in detection systems are not just desirable—they are paramount. At Shanghai GEWEE Electronic Safety Equipment Co., Ltd., we understand this critical need, which is why we have poured our expertise into developing cutting-edge solutions that redefine industry standards. Central to our advanced capabilities, particularly in flame detection equipment, is our self-developed PYS Pyroelectric Sensor Technology. This innovation forms the core of our detection prowess, offering unparalleled advantages in accuracy, speed, and resilience, ensuring the highest levels of safety across diverse industrial environments.

The Genesis of Precision: GEWEE’s Self-Developed PYS Pyroelectric Sensor

Our commitment to innovation is exemplified by the PYS Pyroelectric Sensor. Unlike generic components, our sensor is meticulously designed and developed in-house, ensuring seamless integration with our sophisticated detection algorithms and hardware. This proprietary approach allows us to achieve superior performance metrics that off-the-shelf solutions simply cannot match. The PYS sensor excels in detecting subtle changes in infrared radiation, a tell-tale sign of fire, with exceptional sensitivity and minimal noise interference. This foundational technology underpins the remarkable accuracy of our flame detectors, empowering them to distinguish real threats from nuisance alarms with unparalleled clarity.

Unrivaled Accuracy and False Alarm Elimination

The PYS Pyroelectric Sensor, when coupled with our advanced 32-bit high-precision data processing chips, forms a formidable detection engine. This combination allows our systems to process vast amounts of data rapidly and intelligently. Our proprietary algorithms, honed over years of research and development, are specifically designed to analyze the spectral signatures of flames, effectively filtering out common sources of false alarms such as welding arcs, hot objects, or sunlight. This drastically reduces downtime and operational disruptions caused by unnecessary evacuations or shutdowns, a critical factor in maintaining productivity in industrial settings. For instance, our GW100UV, GW100IR3, and GW300UVIR3 models leverage these advanced algorithms to achieve precise flame detection while virtually eliminating false positives.

Enhanced Detection Capabilities and Broad Coverage

The intrinsic capabilities of the PYS sensor enable our advanced flame detectors to offer an expansive field of view and remarkable detection distances. Our GW100 series, including models like the GW100UV, boasts detection angles of UV≥120° and infrared≥100°, covering axial distances exceeding 40 meters. Moving up to our GW800 and GW810 series, such as the GW800IR2 and GW810IR3, detection angles exceed 110° and 120° respectively, with axial detection distances extending beyond 50 meters. For the most demanding applications, our GW820 series, like the GW820IR4 and GW820UVIR3, pushes the boundary even further, detecting flames over 60 meters axially. This wide coverage reduces the number of detectors required for a given area, simplifying installation and lowering overall costs, while ensuring comprehensive protection.

Rapid Response and Robustness in Harsh Environments

In emergency situations, every second counts. The PYS sensor’s swift response time, combined with our high-speed processing capabilities, allows for alerts to be issued in under 20 seconds, with high-speed models achieving response times of less than 1 second. This rapid notification facilitates prompt intervention, significantly mitigating potential damage and ensuring personnel safety. Our flame detectors are engineered for endurance, featuring robust cast aluminum (with optional stainless steel) housings and achieving high ingress protection ratings of IP66 and IP67. This makes them ideal for challenging industrial environments, from industrial plants and tunnels to chemical factories, oil & gas facilities, and even military applications, enduring temperatures from -40°C to 70°C and humidity up to 95% RH. Many models, including the GW810IR3 and GW820IR4, also feature lens contamination detection, ensuring continuous optimal performance.

Comprehensive Safety Beyond Flame Detection

While the PYS Pyroelectric Sensor technology is a cornerstone of our exceptional flame detection capabilities, GEWEE’s expertise extends far beyond. We offer a holistic suite of safety solutions designed to protect lives and assets across various industries. Our product portfolio includes:

  • Advanced Flame Detection Devices: Utilizing UV/IR and multi-spectral technologies, combined with sophisticated AI analysis, our detectors ensure precise flame identification and elimination of false alarms. Our products, such as the GW100, GW800, GW810, GW820, and GW300 series, are certified to international standards including CCC, explosion-proof, SIL2, and SIL3 (UV), attesting to their unmatched reliability and safety integrity. These products represent the pinnacle of fire detection solutions for critical industrial applications.
  • High-Precision Gas Detection Systems: Our intelligent gas detection systems are designed to adapt to varying environmental conditions, offering high-accuracy monitoring of both flammable and toxic gases. They provide timely and reliable alerts, crucial for preventing explosions and protecting personnel from hazardous atmospheres.
  • Integrated IoT Systems and Cloud Platforms: To provide a truly comprehensive safety management solution, we integrate our detection devices with advanced Internet of Things (IoT) systems and robust cloud platforms. This connectivity enables real-time monitoring, remote management, data analytics, and predictive maintenance, allowing for proactive safety measures and enhanced operational efficiency.

GEWEE: Your Partner in Industrial Safety Excellence

At Shanghai GEWEE Electronic Safety Equipment Co., Ltd., our dedication to safety is unwavering. The development of our PYS Pyroelectric Sensor is a testament to our continuous pursuit of technological advancement and our commitment to providing the most reliable and effective detection solutions on the market. From the compact GW100IR2N ideal for mechanical equipment and small spaces to the expansive coverage of the GW820 series for petrochemical and military applications, our diverse range of flame detectors ensures that we have a tailored solution for every unique safety requirement.

We don’t just supply equipment; we provide peace of mind. By choosing GEWEE, you are investing in a future where safety is never compromised, where innovation drives protection, and where advanced technology meets real-world industrial challenges head-on. Our self-developed PYS Pyroelectric Sensor Technology, coupled with our broader portfolio of safety solutions, makes GEWEE the definitive choice for industries prioritizing robust, intelligent, and reliable detection systems.

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