Product Specification SLV 24N PHOTOELECTRIC SMOKE DETECTOR
- Low profile, 2.0" high (with base)
- 2 or 4 wire base compatibility, relay bases available
- Highly stable operation, RF/Transient protection
- Low standby current, 45μA at 24VDC
- Two built-inpower/alarm LEDs
- Non-directional smoke chamber
- Vandal resistant security locking feature
- Removable smoke labyrinth for cleaning or replacement
- Compatible with SIJ-24 ionization detectors
- Backwards compatible with Hochiki SLK and SIH detectors
- Highly resistant to false alarms caused by steam
The SLV-24N can be used in all areas where Photoelec-tric Smoke Detectors are required. The patented smoke chamber makes the SLV-24N well suited for fires rang-ing from smoldering to flaming fires.
NS-4 Series, NS-6 Series, HSC-4R or HSC-xxx R Style bases may be used with the SLV-24N. Current interchangeable/compatible devices are the SIJ-24 ionization detector, the SLR-24H photoelectric detector with heat sensor, and the DCD-135/190 heat detectors.
All NS conventional devices are mechanically compatible with Hochiki America HSB, HSC and YBA type bases which may have been used in previous installations. Please check individual panel listings for compatible bases.
The SLV-24N photoelectric smoke detector utilizes two bicolored LEDs for indication of status. In a normal standby condition the LEDs flash Green every 3 seconds. When the detector senses smoke and goes into alarm the status LEDs will latch on Red.
The detector utilizes an infrared LED light source and silicon photo diode receiving element in the smoke chamber. In a normal standby condition, the receiving element receives no light from the pulsing LED light source. In the event of a fire, smoke enters the detector smoke chamber and light is reflected from the smoke particles to the receiving element. The light received is converted into an electronic signal.
Signals are processed and compared to a reference level, and when two consecutive signals exceeding the reference level are received within a specified period of time, the time delay circuit triggers the SCR switch to activate the alarm signal. The status LEDs light continuously during the alarm period.
17.7 - 30.0 VDC
15.0 - 33.0 VDC
45μA @ 24 VDC
160μA max. @ 24VDC
150mA max. @ 24 VDC
Air Velocity Range
32°F to 120°F (0°C to 49°C)
Color & Case Material
Bone PC/ABS Blend
0.5 - 3.8%/ft
Refer to NS Conventional
Detector Base Data Sheet
Price SLV 24N PHOTOELECTRIC SMOKE DETECTOR
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