Gold Member Since 2010
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Ningbo Sentek Electronics Co., Ltd.

Dual Sensor Smoke Alarm, Photoelectric Smoke Detectors, System Sensor Smoke Alarm manufacturer / supplier in China, offering High Quality Photoelectric Dual Sensor Smoke Alarm, Tamper Switch Alarm, UL Recessed Mounted Magnetic Contact Switch and so on.

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High Quality Photoelectric Dual Sensor Smoke Alarm

Purchase Qty.:
500-999 1,000+
FOB Unit Price: US $4 US $10
Purchase Qty. (Pieces) FOB Unit Price
500-999 US $4
1,000+ US $10
Get Latest Price
Port: Ningbo, China
Production Capacity: 100000/Month
Payment Terms: T/T

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Basic Info
  • Model NO.: SD119
  • Signal Transmission: Wired Alarm
  • Certification: CE, En
  • Sensor Type: No
  • Transmission Mode: Cable
  • Receive Frequency: No
  • Color: White
  • Dimensions: 100mm(Dia.)*46mm(Ht) with Base
  • Alarm Indicator: LED Continuously Emitting Red Light
  • Temperature Range: -10°c to 50°c
  • Humidity: 0 to 95% Rh, No Condensation or Icing
  • Trademark: Sentek
  • Specification: UL/EN
  • HS Code: 8531901000
  • Type: Home Alarm
  • Working Mode: Active
  • Application: Indoor
  • Working Principle: Electro-Optical Type
  • Alarm Volume (within 1m): ≥80dB
  • Usage: Smoke, Heat
  • Weight: 120g/Set with Base
  • Certificate: UL/En
  • Ceiling Spacing: 40-50 Foot Rating for Heat Sensor
  • Name: Dual Sensor Smoke Alarm
  • Smoke Sensitivity: 0.98--2.40%/FT Obscuration (UL) ; 0.08--0.14 dB/M
  • Transport Package: 100PCS/Carton
  • Origin: Ningbo China
Product Description
High Quality Photoelectric Dual Sensor Smoke Alarm

Product Description:
High Quality Photoelectric Dual Sensor Smoke Alarm
1 2 or 4 wire models
2 Advanced detection and discrimination algorithms
3 Easy installation and maintenance
4 Sleek low-profi le housing design
5 Durable sensor head, no need for replacement
6 SMD circuit board design-satisfactory quality and reliability guaranteed
7 N/C (normal/close)-N/O (normal/open)selectable relay output
8 AR (Auto Reset) function for security systems (optional for 4 wire models) Sensor      9 base option: standard and Shottky Diode
10 Five-year limited warranty


Response Temperature:
Fixed termperature: 57°C (135°F) or Rate-of-Rise
Ceiling Spacing:40-50 foot rating for heat sensor
Reset Voltage:less than 1 volt
Alarm Indicator:LED continuously emitting red light
Remote Output:25 mA max., diode gate
Temperature Range:-10°C to 50°C
Permissible Current:80mA maximum
Humidity:0 to 95% RH, no condensation or icing
Alarm Contact:Form A: 1.0A@30VDC/0.5A@125VAC
Dimensions:100mm (dia) x 46mm (ht) with base
Weight:120g/set with base

Packaging:100pcs/canton or packed according to customers'request
Shipping Details: 25days

Company Profile:

Our company Sentek Electronics Co.,Ltd is specializing in designing,developing and manufacturing fire and secturity detectors and magnetic contacts from 2001.Take quality as life of corporation ,our products are all designed and manufactured completetely according to the standard of EN,UL,KFI and so on .All our products are tested one by one in sensitivity and fuction features.So we enjoyed good reputation in the world!

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