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The IFD20 triple infrared flame detector is a kind of new-type intelligent fire detection equipment. This detector adopts the multi-infrared sensing technology (MIR), and is provided with three infrared sensors with different wavelengths and narrow-band filtering. One sensor is used to reflect the central wavelength of the flame information, and the other two are used to monitor other infrared radiation in the environment.
Combined with the flicker characteristics of the flame, the radiation spectrum with flame characteristics can be identified as a fire alarm by means of the operational analysis with the high-speed microprocessor and technical algorithm. This detector can suppress the interferences such as sunlight, lightning, electric welding, thermal radiation, electromagnetic interference, mechanical vibration, etc., is provided with strong anti-interference capacity, and can quickly respond to and accurately identify the flame signal.
| Model | IFD2020 Triple Infrared Flame Detector |
| Sensor | Infrared flame sensor |
| Response spectral range | 4.3μm, 5.0μm |
| Sampling mode | Real-time optical path sampling |
| Display mode | LED indication |
| Status indication | The blinking green lamp indicates the normal operation, and the permanently-illuminated red lamp indicates a fire alarm. |
| Response time | Level I: 6-8 seconds |
| Level II: 18-22 seconds | |
| Level III: 22-26 seconds | |
| Level IV: 3-4 seconds | |
| Output signal | 4-20mA current |
| Faulty relay passive output (AC: 3A 250V, DC: 3A 30V) | |
| Fire alarm relay passive output (AC: 3A 250V, DC: 3A 30V) | |
| Operating voltage | DC18-30V |
| Operating current | ≤30mA (DC24V) |
| Installation mode | Wall-mounted or suspended |
| Maximum detection distance | 50m 0.3mx0.3m n-heptane flame |
| Operating temperature | -40 ~ +70°C |
| Operating humidity | ≤95%RH (without condensation) |
| Detection angle | 90° |
| Shell | Aluminum alloy |
| Weight | 0.6Kg ± 0.05Kg |
| Electric interface | M20X1.5 |
| Explosion-proof mark | Ex db IIC T6 Gb/Ex tb IIIC T80°C Db |
| Degree of protection | IP66 |
The IFD2020 Triple Infrared Flame Detector features a maximum detection distance of up to 50 meters for a standard 0.3m x 0.3m n-heptane flame, ensuring wide-area safety monitoring.
It adopts multi-infrared sensing technology (MIR) with three narrow-band filtering sensors. By operating mathematical analyses of the flicker characteristics and flame patterns, it effectively suppresses environmental interference like sunlight, welding, and lightning.
The detector provides a standard 4-20mA analog signal output alongside passive relay outputs for both fault alerts and fire alarms (rated at AC 250V/3A, DC 30V/3A) for versatile system connectivity.
Yes. Engineered with a robust aluminum alloy shell, an IP66 ingress protection rating, and an operating temperature range of -40°C to +70°C, the detector is highly durable and suitable for harsh industrial conditions.
Yes, it features an explosion-proof certification marked as Ex db IIC T6 Gb and Ex tb IIIC T80°C Db, making it safe for use in hazardous areas containing explosive gases and dust.
The detector's sensitivity can be adjusted externally using a magnetic rod. This convenient feature allows configuration without needing to remove the outer cover, preserving the enclosure's integrity.
