Does the sensor head require replacement?

No, the sensor head is designed to be durable and does not need replacement.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.

Photoelectric Smoke Alarm Wired Detector Sensor

Name: Photoelectric Smoke Alarm Wired Detector Sensor
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 750110022

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$4.80-8.00

100 Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Type

Smoke Alarm

Signal Transmission

Wired Alarm

Model NO.

SD-388-2L

Working Mode

Active

Certification

Application

Indoor

Working Principle

Electro-Optical Type

Transmission Mode

Cable

Alarm Volume (within 1m)

≥80dB

Receive Frequency

Color

White

Weight

120g/Set with Base

Dimensions

102mm(Dia.)*43mm(Ht) with Base

Certificate

UL/En

Ceiling Spacing

50 Foot Rating for Heat Sensor

Smoke Sensitivity

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

Product Name

Photoelectric Smoke Alarm Wired Detector Sensor

Transport Package

100PCS/Carton

Specification

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

Trademark

Sentek

Origin

Ningbo China

HS Code

8531901000

Production Capacity

100000/Month

Key features

Advanced Detection Algorithms: Utilizes advanced detection and discrimination algorithms for high accuracy.

Dual Alarm Options: Available in smoke-only and combined smoke & heat alarm models.

Flexible Wiring Configs: Offers 2-wire and 4-wire models with 12/24VDC support.

Auto-Reset Function: Optional auto-reset feature available for 4-wire security models.

Durable Sensor Head: Durable sensor head design eliminates the need for replacement.

Low-Profile Design: Polished low-profile housing with 360-degree LED visual angle.

Relay Output Options: Provides N/C and N/O relay output ways for system integration.

Full Customization: Supports full customization, minor customization, and design-based options.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceManagement CertificationR&D Capabilities

Ningbo Sentek Electronics Co., Ltd.

Zhejiang, China

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: ≤15h

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.