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The KF715/UVIR2 point-type ultraviolet flame detector and point-type infrared flame detector (hereinafter referred to as the "KF715/UVIR2 flame detector") are designed as compact, high-performance flame detectors, developed on the basis of our previous flame detector models and in response to market demands and customer feedback. The KF715/UVIR2 flame detector incorporates new narrowband current-mode infrared pyroelectric sensors and the R2868 "solar-blind" ultraviolet photoelectric sensor from Hamamatsu Photonics K.K., paired with a built-in 32-bit microprocessor and a patented (CN202010297486.5) composite signal processing algorithm. This enables rapid flame signal identification and accurate discrimination between real flames and interference sources, significantly reducing the impact of environmental factors on detector performance. While meeting stringent requirements for explosion protection, ingress protection, corrosion resistance, and other performance criteria, the KF715/UVIR2 flame detector offers a smaller footprint, lighter weight, and easier installation.
KF715/UVIR2 Spot UV/IR Flame Detector Technical Specifications
1. Product Overview
The KF715/UVIR2 Spot UV/IR Flame Detector (hereinafter referred to as the KF715/UVIR2 Flame Detector) is a compact, high-performance flame detector designed based on our company's previous flame detector models, market demands, and customer feedback. The KF715/UVIR2 Flame Detector utilizes a new narrowband current-type pyroelectric infrared sensor and the R2868 "solar-blind" UV photoelectric sensor from Hamamatsu Photonics (Japan). Combined with a built-in 32-bit microprocessor and a patented (CN202010297486.5) composite signal processing algorithm, it can quickly identify flame signals and accurately distinguish real flames from interference sources, significantly reducing the impact of environmental factors on the detector. While meeting performance requirements for explosion-proof, protection, and corrosion resistance, the KF715/UVIR2 Flame Detector features a smaller size, lighter weight, and more convenient installation.
2. Product Illustration
3. Features
Built-in high-speed, low-power, high-performance 32-bit high-precision data processing chip;
Utilizes a patented (CN201420098276.3) narrowband current-type pyroelectric infrared sensor and fast-response UV optical sensor for composite detection;
Capable of detecting small fires at an earlier stage;
Detection distance of 40 meters (0.33m x 0.33m x 0.05m n-heptane fire);
Comprehensive algorithms that perfectly combine flame detection and false alarm immunity;
Suitable for multiple types of fuel;
Suitable for heavy industrial applications;
4. Design Standards
GB 15631-2008 Special Fire Detectors, GB 12791-2006 Spot UV Flame Detectors, GB 3836 Explosive Atmospheres.
5. Dimensions
6. Installation Diagram

Product Name | KF715/UVIR2 | |||
Spectral Range | IR: 4.3~5.0μm, UV: 185~260nm | |||
Field of View | 120° | |||
Response Time | Fuel Type | Detection Distance | 探测距离 | |
n-Heptane | 30m | 40m | ||
Gasoline | 35m | |||
Diesel | 35m | |||
Kerosene | 35m | |||
Alcohol | 30m | |||
Paper | 30m | |||
Fire Source Size | 30m | 30m | ||
Response Time | ||||
Sensitivity Class | ≤10s | 响应时间 | ||
Class I | ≤10S | |||
Operating Voltage | DC 24V (Range: 18~30V) | |||
Operating Current | ≤50mA (Status LED: Green flash; Alarm LED: Red solid; Fault LED: Yellow solid) | |||
Relay Output | Fire Alarm Relay: 1A@30VDC, NO, Open in normal, Closed in alarm; Fault Relay: 1A@30VDC, NO, Closed in normal, Open in fault | |||
Operation Mode | 2 channels (Fire & Fault) | |||
Infrared Remote Control | ||||
Reset Method | Power-off / Protocol / Remote | 2路火警、故障继电器输出 | ||
Operating Temp | -40°C ~ 70°C | |||
Storage Temp | -40°C ~ 85°C | |||
Operating Humidity | 0~96% RH (Non-condensing); Short-term 100% condensing | |||
Explosion-proof Cert | ExdIIC T6 Gb / TD A21 IP66/IP67 T80°C | |||
IP Rating | IP66 / IP67 | |||
Housing Material | Cast aluminum, powder-coated | |||
Electrical Interface | 1x3/4 NPT, M25x1.5, G3/4 (Custom adapters available) | |||
Dimensions | 120mm x 95mm x 85mm | |||
Weight | 0.7 kg | |||
Accessories | Cast aluminum bracket | |||
Design Standards | GB 15631-2008, GB 12791-2006, GB 3836 | |||
配件 | 铸铝支架 | |||
设计标准 | GB 15631-2008《特种火灾探测器》,GB 12791-2006《点型紫外火焰探测器》,GB3836《爆炸性环境》 | |||
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