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

Smoke Detector Cover, Smoke Alarm UL, Smoke Detector 12V manufacturer / supplier in China, offering Optical Smoke Detector/Smoke Sensor SD388-2, with UL Recessed Magnetic Door Contact Switch, UL Recessed Mounted Magnetic Contact Switch and so on.

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Supplier Homepage Product fire detectors conventional Optical Smoke Detector/Smoke Sensor SD388-2

Optical Smoke Detector/Smoke Sensor SD388-2

Purchase Qty.:
(Pieces)
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
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Port: Ningbo, China
Production Capacity: 100000/Month
Payment Terms: T/T

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Basic Info
  • Model NO.: SD388-2
  • Signal Transmission: Wired Alarm
  • Certification: CE
  • Sensor Type: Infrared Alarm System
  • Transmission Mode: Cable
  • Receive Frequency: No
  • Color: White
  • Dimensions: 102mm(Dia.)*43mm(Ht) with Base
  • Ceiling Spacing: 50 Foot Rating for Heat Sensor
  • Trademark: Sentek
  • Specification: 102mm (dia) x 43mm (ht) with base
  • HS Code: 8531901000
  • Type: Smoke Alarm
  • Working Mode: Active
  • Application: Indoor
  • Working Principle: Electro-Optical Type
  • Alarm Volume (within 1m): ≥80dB
  • Usage: Smoke
  • Weight: 120g/Set with Base
  • Certificate: UL/En
  • Smoke Sensitivity: 0.98--2.40%/Ft Obscuration (UL) ; 0.08--0.14 dB/M
  • Transport Package: 100PCS/Carton
  • Origin: Ningbo China
Product Description

Product Description:

1 Advanced detection and discrimination algorithms
2 Easy installation and maintenance
3 Super sleek low-profi le 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 SD 388-2H and SD 388-4H models
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)
9 Five-year limited warranty
10 Size: 102mm diameter with 43mm height only

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)

Specification 

Smoke Sensitivity:

0.98--2.40%/FT Obscuration (UL) ; 0.08--0.14 dB/m (EN)

Ceiling Spacing:

50 foot rating for heat sensor (55 degree)

Reset Voltage:

less than 1 volt

Reset Time:

less than 1 second

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:

NO or NC Operation, Form A: 1.0A@30VDC/0.5A@125VAC

Dimensions:

102mm (dia) x 43mm (ht) with base

Weight:

120g/set with base

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

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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