Leave Your Message
Products Categories
Featured Products
Repeater PCB Assembly

Repeater PCB Assembly
Optical Transceiver PCB Assembly

Optical Transceiver PCB Assembly
Optical Line Terminal (OLT) PCB Assembly

Optical Line Terminal (OLT) PCB Assembly
Optical Network Unit (ONU) PCB Assembly

Optical Network Unit (ONU) PCB Assembly
Firewall PCB Assembly

Firewall PCB Assembly
AC-DC Converter PCB Assembly--STHL

AC-DC Converter PCB Assembly--STHL
DC-DC Converter PCB Assembly--STHL

DC-DC Converter PCB Assembly--STHL
Linear Power Supply PCB Assembly--STHL

Linear Power Supply PCB Assembly--STHL
Programmable Power Supply PCB Assembly--STHL

Programmable Power Supply PCB Assembl...
Bench Power Supply PCB Assembly--STHL

Bench Power Supply PCB Assembly--STHL
Air Quality Monitor PCBA Assembly--STHL.png

Air Quality Monitor PCBA Assembly--STHL

Door/Window Sensor PCBA assembly monitors the opening and closing status of doors and windows, integrating magnetic sensors, signal processing chips, and wireless communication modules. It sends an alarm signal to the user’s mobile phone when an abnormal opening is detected, enhancing home security. We adopt high-sensitivity magnetic sensors and low-power design, ensuring long standby time and reliable operation. Our 2 DIP production lines and strict quality inspection ensure the sensor’s durability and accuracy, adapting to various door and window types, and providing a simple and effective security solution.

    Contact us

    Air Quality Monitor PCBA Assembly--STHL

    Early challenges in air quality monitor adoption—such as faint multi-index gas signal capture, complex indoor electromagnetic interference (EMI), and insufficient multi-sensor circuit safety isolation—have been overcome by specialized PCB assembly technologies, particularly rigid-flex PCBs and high-precision surface mount technology (SMT). These innovations effectively enhance the sensitivity of analog front-ends for capturing faint PM2.5, formaldehyde, TVOC and temperature-humidity electrical signals, while integrating high-grade EMI shielding layers to eliminate interference from indoor electrical equipment and smart home devices. Rigid-flex PCBs, in particular, balance compact integrated form factors with stable multi-channel parallel signal transmission, supporting the miniaturized all-in-one design of air quality monitors without compromising multi-parameter detection accuracy and data response speed. This technological leap has enabled air quality monitor PCBA assemblies to outperform traditional environmental detection circuits in key areas:

    • Superior Signal Integrity

      Advanced impedance-controlled routing and ultra-low-noise PCB substrates minimize signal attenuation during the capture and amplification of weak multi-dimensional air quality sensing signals. Equipped with high-resolution (≥16-bit) ADC integration, they ensure the accuracy of multi-index detection waveforms, laying the foundation for precise particulate matter counting, harmful gas concentration calibration and real-time air quality grade evaluation.

    • Versatile Form Factor Adaptability

      Compliant with IEC 62368 electronic safety standards and smart environmental detection specifications, the assemblies adopt reinforced isolation designs (such as opto-isolation and galvanic isolation) to prevent electrical leakage and static surge risks during long-term standby operation. High-insulation, dust-proof and environment-adaptive materials used in PCB substrates and conformal coatings adapt to long-term indoor static placement and daily air circulation environments, ensuring safety and stability for 24/7 unattended air quality monitoring.

    • Reliable Long-Term Operation

      ENIG (Electroless Nickel Immersion Gold) surface finishes and dust-proof, anti-aging conformal coatings (IP67 rating) provide excellent oxidation resistance and environmental durability. Combined with rigorous temperature fluctuation, humidity cycling and long-term aging testing, the assemblies maintain stable performance in daily indoor environments and during long-term continuous multi-parameter air quality detection.

    Key Applications Across Environmental Monitoring Sectors

    Air quality monitor PCBA technology powers high-precision multi-index detection, real-time environmental data feedback and intelligent air conditioning linkage in diverse residential, commercial and public indoor scenarios.

    Residential Household Environment Monitoring

    Household multi-function air quality monitors and indoor environment terminals, featuring full-index air quality detection and data display functions, integrated with smart home systems for automatic air purifier linkage and indoor environment intelligent adjustment.

    Education & Medical Venue Supervision

    School classroom, hospital ward and laboratory air quality monitoring devices, built with high-precision sensing circuits to support high-standard indoor environment detection, meeting environmental safety requirements for public service venues.

    Office & Commercial Space Detection

    Office building, shopping mall and conference room air quality monitoring terminals, leveraging multi-channel anti-interference circuit design and stable data output performance for long-term real-time monitoring of public indoor air environment quality.

    Smart Building Environmental Management

    Smart building indoor environment monitoring terminals and centralized air quality detection equipment, supporting continuous multi-index data collection and remote data transmission, providing reliable circuit support for intelligent building environmental management and healthy space construction.

    Why STHL PCBA should be your top choice for your LED PCBA needs?

    Let's explore the top 10 reasons why!

    Real Factory

    STHL PCBA is a real factory with 10,000+m² highly automated, dust-free factory，7 SMT lines, 2 DIP lines, 2 FCT lines, and 2 box building assembly lines. 

    Quality Guarantee

    We buy components from famous international platform like Mouser, Digikey, Farnell, Future, Avnet, Arrow or the agents. No components substitutes without customers approval!

    Rich Experience

    20+ years of experience in PCB & PCBA field.

    Cost Dowm

    Professional engineering team supports cost down.

    Global Sourcing

    500k parts with 100+ agents and suppliers.

    No MOQ

    No minimum order requests, we accept both prototype and volume quantity orders.

    Fully Certified

    With IATF16949, ISO9001, ISO14001, ISO13485 Certifications.

    NDA

    We ensure all of your projects documents security and sign NDA before RFQ.

    Intelligent Management

    Use Intelligent ERP system, MES (manufacturing execution system) for fast tracking.

    Fast Delivery

    Prototype orders will be fast completed and delivered, mass orders lead time is 4~5 weeks.

    About STHL PCB & PCBA

    LED PCB Assembly Revolutionizing Lighting Technology with Precision and Per (1)

    Shenzhen STHL Technology Co., Ltd. is a high-quality provider of electronics manufacturing services (EMS) in China, we serve customers worldwide along the whole industry chain including product design, material sourcing, PCBA production, cable assembly, box build assembly and comprehensive testing services.

    Established in 2006, we have more than 20 years of experience in electronics contract assembly manufacturing. Currently, we employ more than 220 staff members. Our 10,000 sqm facilities include 7 surface-mount technology (SMT) production lines, 2 through hole technology (THT) lines , 2 function testing lines and 2 box build production lines.

    At STHL, we provide electronics assembly services for energy power, communications, consumer electronics, computers & storage, safety & security, commercial and industrial products. Customers mainly from United States, Brazil, United Kingdom, Germany, Spain, Italy, Poland and . As an IATF16949，ISO9001, ISO14001, and ISO13485 certificated electronics assembly manufacturer, we produce products exactly comply with ROHS standard and quality guarantee. Based on our excellent engineering and production capacities in technical areas such as materials analysis & storage, advanced equipment, reliability testing (AOI, X-RAY, ICT test and function test), high effective SMT and THT assembly, we are recognized as a long-term reliable PCBA vendor by more and more customers wordlwide.

    Products Capability

    Items

    PCB capacity

    PCB name

    LED PCB Assembly: Revolutionizing Lighting Technology with Precision and Performance

    Material

    FR-4; High TG FR-4; Aluminum; CEM-1; CEM-3; Rogers, etc

    PCB type

    Rigid, flexible, rigid-flexible

    Layer NO.

    1, 2, 4, 6, up to 24 layer

    Shape

    Rectangular, round, slots, cutouts, complex, irregular

    Max PCB dimensions

    1200mm*600mm

    Board Thickness

    0.2mm-4mm

    Thickness Tolerance

    ±10%

    Min Hole Size

    0.1mm (4 mil)

    Copper Thickness

    0.5 OZ-3OZ (18 um-385 um)

    Copper Plating hole

    18um-30um

    Min Trace Width

    0.075mm (3mil)

    Min Space Width

    0.1mm (4 mil)

    Surface finish

    HASL, LF HASL, Imm Gold, Imm Silver, OSP etc

    Solder mask

    Green, red, white, yellow, blue, black, orange, purple

    Assembly details

    SMT and Thru-hole, ISO SMT and DIP lines

    Testing on products

    Testing jig/mold , X-ray Inspection, AOI Test, Functional test

    Quantity

    Min quantity : 1pcs. Prototype, small order, mass order, all OK

    Products Capability

    Files needed

    PCB : Gerber files(CAM, PCB, PCBDOC)

    Components : Bill of Materials(BOM list)

    Assembly : Pick-N-Place file

    PCB Panel Size

    Min size : 0.25*0.25 inches(6*6mm)

    Max size : 1200*600mm

    Components details

    Passive Down to 0201 size

    BGA and VFBGA

    Leadless Chip Carriers/CSP

    Double-sided SMT Assembly

    Fine BGA Pitch to 0.2mm(8mil)

    BGA Repair and Reball

    Part Removal and Replacement

    Component package

    Cut Tape, Tube, Reels, Loose Parts

    PCB+ assembly process

    Drilling---Exposure---Plating---Etaching & Stripping---Punching---Electrical Testing---SMT---Wave

    Soldering---Assembling---ICT---Function Testing---Temperature & Humidity

    13
    01

    Digital Innovation

    APPhored (7)
    01

    Digital Innovation

    DSC_3571
    01

    Digital Innovation

    Material are (1)
    01

    Digital Innovation

    第24点图替换组合配图1
    01

    Digital Innovation

    DIP 1
    01

    Digital Innovation

    How to Get Started with STHL

    Ready to partner with us for your LED PCB Assembly project? Here’s how you can get started

    • Contact Us

      Contact Us

      Reach out to our sales team via phone, email, or online chat to discuss your project requirements.
    • Professional Expertise (2)

      Provide Design Files

      Send us your PCB design files (Gerber, BOM, etc.) for a detailed quote.
    • Cost-Effective Solutions

      Get a Quote

      We will provide you with a comprehensive quote, outlining all costs and timelines.
    • Delivery

      Production and Delivery

      Once the quote is approved, our team will begin production, ensuring your PCB assembly is completed on time and to the highest quality standards.

    Make an free consultant

    Whether you need PCB Fabrication or PCBA Assembly Service, STHL delivers innovation and reliability.

    Your Name*

    Phone Number

    Country

    Remarks*

    reset