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Photoelectric Independent Smoke Alarm Sensor for Home Office Security
US$4.80-8.00
100 Pieces
Sample price:US$6.00/piece.Request sample
Product profile
Customization
AvailableType
Smoke AlarmSignal Transmission
Wired AlarmModel NO.
SD388-4Working Mode
ActiveCertification
CEApplication
IndoorWorking Principle
Electro-Optical TypeTransmission Mode
CableAlarm Volume (within 1m)
≥80dBReceive Frequency
NoColor
WhiteWeight
120g/Set with BaseDimensions
102mm(Dia.)*43mm(Ht) with BaseCertificate
UL/EnCeiling Spacing
50 Foot Rating for Heat SensorSmoke Sensitivity
0.98--2.40%/FT Obscuration (UL) ; 0.08--0.14 dB/MProduct Name
Photoelectric Independent Smoke Alarm SensorTransport Package
100PCS/CartonSpecification
102mm (dia) x 43mm (ht) with baseTrademark
SentekOrigin
Ningbo ChinaHS Code
8531901000Production Capacity
100000/MonthKey features
High Sensitivity Detection: 0.98-2.40%/FT Obscuration (UL) and 0.08-0.14 dB/m (EN) for precise smoke detection.
Durable Sensor Head: No need for replacement, ensuring long-term reliability and low maintenance.
Flexible Output Options: N/C and N/O relay output ways available for various security system integrations.
Auto-Reset Function: Optional AR function for 4-wire models, enhancing security system efficiency.
Wide Visual Angle: Equipped with two LEDs providing more than 360-degree visual angle.
Robust Design: Polished low-profile housing with SMD circuit board for quality and reliability.
Certified Quality: CE certified with UL/EN compliance for smoke sensitivity standards.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryThe supplier is a limited company with 148 employees, focused on designing and manufacturing fire alarm and monitoring equipment, security products, smart-home equipment, detectors, sensors, and electronic components. It offers professional R&D, 3D software design, SDK availability, ODM, OEM, and broad customization services. Its products have passed national fire-electronic quality supervision testing and obtained mandatory CCCF certification. Quality and service processes are documented, including complaint handling, corrective and preventive actions, finished-product inspection, and supplier assessment. The supplier has valid manufacturing contracts with associated subcontractors and 12 qualified service-capability suppliers. However, it reports no in-stock capacity, overseas warehouse, or overseas showroom. Export sales account for 90%, with 19 years of export experience, but exports are conducted through an agent. Customer-specific cases are not clearly identified.
Supplier typeThe supplier is identified as a limited company with a combined company type and no stated affiliation with a larger corporate group. Its business scope covers design and manufacture of fire alarm, monitoring, security, smart-home, detector, sensor, and electronic-component products.
CertificationsThe supplier's listed fire alarm products passed qualification testing by the national fire electronic product quality supervision and inspection center. It also completed the required conformity-assessment audit and obtained national mandatory CCCF certification with the CCCF mark.
After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, corrective and preventive actions, supplier-service assessment, and quality assurance. These records support an established service-management process, although the slices do not specify response times, repair coverage, or warranty terms.
R&D capabilityThe supplier is identified as a professional technical supplier with R&D capability, 3D software design services, and an available SDK. It reported new products within the past year and offers ODM services, providing explicit evidence of product-development and technical-design capability.
Production capacityProduction-related controls include valid contracts with associated subcontractors, documented finished-product inspection, quality assurance, and 12 qualified service-capability suppliers. The supplier has 148 employees and states a one-month average lead time in both peak and off seasons, but it has no in-stock capacity, overseas warehouse, or overseas showroom.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its R&D offering also includes ODM and OEM services, indicating broad ability to adapt or develop products to customer requirements.
Product Q&A
Q:What is the smoke sensitivity standard?
A:
The smoke sensitivity is 0.98-2.40%/FT Obscuration (UL) and 0.08-0.14 dB/m (EN).
Q:Does the sensor require regular replacement?
A:
No, the sensor head is durable and does not need replacement.
Q:What relay output options are available?
A:
N/C (normal/close) and N/O (normal/open) relay output ways are available for option.
Q:Is there an auto-reset function?
A:
Yes, the AR (auto reset) function is optional for 4-wire models.
Q:What is the minimum order quantity?
A:
The Minimum Order Quantity (MOQ) is 2000 Pcs.
Send Inquiry
*To:
Ningbo Sentek Electronics Co., Ltd.
Ningbo Sentek Electronics Co., Ltd.*Content:
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