| Type: | Smoke Alarm |
|---|---|
| Signal Transmission: | Wired Alarm |
| Working Mode: | Optical Smoke Alarm |
| Certification: | CE, ISO, RoHS, En |
| Application: | Indoor |
| Working Principle: | Electro-Optical Type |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Specifications:
| Smoke Sensitivity | 0.98--2.40%/FT Obscuration (UL) ; 0.08--0.14 dB/m (EN) |
| Ceiling Spacing | 50 foot rating for heat sensor |
| Temperature Range | -10°C to 50°C |
| Humidity | 0 to 95% RH, no condensation or icing |
| Dimensions | 102mm (dia.) x 43mm (ht) with base |
| Weight | 120g/set with base |
Smoke Detector Alarm Optical Sensor 
The range includes:
| SD-388-2 | 2 wire photoelectric smoke alarm |
| SD-388-2L | 2 wire photoelectric smoke alarm with remote LED output |
| SD-388-2H | 2 wire photoelectric smoke and heat alarm |
| SD-388-2HL | 2 wire photoelectric smoke and heat alarm with remote LED output |
| SD-388-4-12/24 | 4 wire photoelectric smoke alarm (12/24VDC) |
| SD-388-4AR-12/24 | 4 wire photoelectric smoke alarm with auto-reset function (12/24VDC) |
| SD-388-4H-12/24 | 4 wire photoelectric smoke and heat alarm (12V/24DC) |
| SD-388-4HAR-12/24 | 4 wire photoelectric smoke and heat alarm with auto-reset function (12/24VDC) |
Feartures:
1) Advanced detection and discrimination algorithms
2) Easy installation and maintenance
3) Polished low-profile housing design
4) Durable sensor head, no need for replacement
5) SMD circuit board design: Satisfactory quality and reliability guaranteed
6) Integrated heat detector for SD119-2H and SD119-4H models
7) N/C (normal / close) and N/O (normal / open) relay output ways for option
8) AR (auto reset) function for security systems (optional for 4-wire models)
9) Sensor base: Standard and Schottky diode style for option
10) With two LED, more 360 degree visual angle
Company Information
Suppliers with verified business licenses
Audited Supplier 
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