What is the alarm volume?

The alarm volume is at least 80dB within a 1-meter range.

Does the sensor require replacement?

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

What are the available wiring options?

We offer 2-wire and 4-wire models, including options with remote LED output and auto-reset functions.

Conventional Photoelectric Smoke Fire Sensor

Name: Conventional Photoelectric Smoke Fire Sensor
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 750114392

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.

SD388-2

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 Fire 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: Features advanced detection and discrimination algorithms for accurate fire sensing.

Durable Sensor Head: Built with a durable sensor head that requires no replacement during the product life.

Flexible Customization: Offers full customization, minor customization, and flexible customization from samples or designs.

ISO9001 Certified: Manufactured under ISO9001:2015 management system certification ensuring quality control.

Auto-Reset Function: Optional auto-reset function available for 4-wire models to enhance security system reliability.

360-Degree Visibility: Equipped with two LEDs providing a 360-degree visual angle for clear status indication.

Low-Profile Design: Polished low-profile housing design ensures easy installation and aesthetic appeal.

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 professional technical supplier with strong R&D capabilities, offering ODM and OEM services, and excels in customization and design services. It holds mandatory certifications for fire electronic products and has a robust after-sales service structure. The supplier lacks in-stock and overseas warehouse capacities but maintains effective quality control and customer complaint mechanisms. Financial data is available but not detailed here.

CertificationsThe supplier holds national mandatory product certification with a CCCF mark for fire electronic products.

After-Sales capabilityThe supplier has clear procedures for corrective actions and customer complaints, with quality assurance in place.

R&D capabilityThe supplier has strong R&D capabilities, with SDK availability and has introduced new products in the past year.

Customization capabilityOffers extensive customization services, including full, minor, and flexible customizations.