
✔ Dustproof & Waterproof (IP64 Compliant)
Suitable for outdoor installation.
✔ High-Sensitivity & Fast Flame Detection Using UV Technology
Detects a flame as small as a lighter flame (2 cm high) from 10 m away.
Detects a 1 m-high flame from approximately 70 m away.
Fastest detection time: 0.5 seconds.
✔ Versatile Output Functions
Supports both relay contact and open collector output as standard.
Can be connected to alarm buzzers, rotating lights, and voice synthesis units.
Compatible with third-party alarm systems.
✔ World’s Smallest Flame Sensor
The smallest UV-based flame sensor in the world.
✔ Detection Timer Function
Helps prevent false alarms with adjustable timer settings.
Easily configurable via DIP switch on the back (Range: 0.5 s, 1 s to 31 s, adjustable in 1-second increments).
※ Restart the power after changing the settings.
✔ Standard Mounting Bracket Included
Equipped with a mounting bracket for quick and easy installation.
| Product Specifications | |
|---|---|
| Product Name | Standard Fire Sensor |
| Model Number | SKH047M |
| Input Voltage | DC 7~24V |
| Wiring | 4 wires (2 power wires, 2 output wires) |
| Power Consumption | Standby mode: ≤ 20mA / Fire detection mode: ≤ 60mA (at 12V DC, room temperature) |
| Operating Temperature | -10℃ to +60℃ (No condensation) |
| Detection Method | Ultraviolet (UV) detection (Detection wavelength: 185nm–260nm) |
| Detection Distance | Detects a 2cm flame from a distance of 10m |
| Detection Angle | 120° left/right, 120° up/down (±60° from the sensor front) |
| Detection Timer Function | Adjustable from 0.5s, 1s to 31s (Configured via DIP switch) Factory Default Setting: 4s |
| Fire Detection Output | Relay output (Normally Open Contact): AC 125V-0.5A / DC 24V-1A ※Note: Can be customized with Normally Closed Contact (b-contact) or Open Collector Output upon request. |
| Alarm Output Hold Function | Alarm Output Hold Function ※Note: Alarm output turns OFF 30 seconds after UV detection stops. |
| Monitoring Location | Indoor & Outdoor (Equivalent to IP64) |
| Operating Indicator (On-device LED) | LED turns blue when detecting fire |
| External Dimensions | φ72.8mm × 34.5mm (including spacer) |
| Weight | Approximately 75g (including standard cable) |
| Casing Material | Flame-retardant ABS (UL94 standard) |