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Open Frame Power Supply PCB Assembly--STHL

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Leak Sensor PCBA Assembly--STHL.png

Leak Sensor PCBA Assembly--STHL

Leak Sensor PCBA assembly detects water leaks in real time, integrating water level sensors, signal processing chips, and wireless communication modules. It sends an alarm signal to the user’s mobile phone when a water leak is detected, preventing water damage to homes and property. We adopt high-sensitivity water detection technology and anti-corrosion design, ensuring accurate detection and long-term stable operation. With 20+ years of assembly experience, we optimize the sensor’s structure to adapt to various leak scenarios (such as kitchens, bathrooms, and basements), providing a reliable water leak monitoring solution.

    Contact us

    Leak Sensor PCBA Assembly--STHL

    Early challenges in leak sensor adoption—such as faint water leakage signal capture, complex environmental electromagnetic interference (EMI), and insufficient wet-proof 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 water contact and liquid leakage electrical signals, while integrating premium EMI shielding layers to eliminate interference from household plumbing equipment and surrounding smart devices. Rigid-flex PCBs, in particular, balance ultra-compact miniaturized form factors with stable high-sensitivity signal transmission, supporting concealed embedded installation of leak sensors without compromising detection accuracy and rapid alarm response. This technological leap has enabled leak sensor PCBA assemblies to outperform traditional liquid monitoring 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 liquid induction and water leakage signals. Equipped with high-resolution (≥16-bit) ADC integration, they ensure the accuracy of leakage detection waveforms, laying the foundation for micro water spot identification, early leakage warning and precise fault positioning.

    • Versatile Form Factor Adaptability

      Compliant with IEC 62368 electronic safety standards and wet environment electrical specifications, the assemblies adopt reinforced isolation designs (such as opto-isolation and galvanic isolation) to prevent short circuit and electric leakage risks in humid environments. Waterproof, corrosion-resistant and moisture-proof materials used in PCB substrates and conformal coatings adapt to long-term humid environment contact, ensuring safety for long-term unattended water leakage monitoring.

    • Reliable Long-Term Operation

      ENIG (Electroless Nickel Immersion Gold) surface finishes and IP67-rated waterproof and anti-corrosion conformal coatings provide excellent moisture resistance and environmental erosion protection. Combined with rigorous humidity cycling, temperature fluctuation and long-term immersion aging testing, the assemblies maintain stable performance in humid indoor environments and during 24/7 continuous liquid leakage monitoring.

    Key Applications Across Liquid Monitoring Sectors

    Leak sensor PCBA technology powers real-time liquid leakage detection, early safety warning and intelligent linkage protection in diverse residential, commercial and industrial water monitoring scenarios.

    Household Indoor Water Monitoring

    Household floor leak sensors and pipeline water monitoring terminals, featuring micro-leakage detection and instant alarm functions, integrated with smart home systems for automatic water valve cut-off and mobile remote alert.

    Basement & Storage Area Monitoring

    Basement and storage room water leakage monitoring sensors and flood prevention terminals, built with humid-environment adaptive circuits to ensure stable detection and early warning in low-lying and damp-prone areas.

    Kitchen & Bathroom Safety Protection

    Kitchen and bathroom dedicated leak detection terminals and water security sensors, leveraging high-sensitivity circuit design and moisture-resistant performance for long-term real-time monitoring of pipeline aging leakage and water overflow risks.

    Industrial & Commercial Pipeline Supervision

    Industrial pipeline leak detection devices and commercial water system monitoring terminals, supporting continuous liquid state tracking and abnormal signal feedback, providing reliable circuit support for industrial water pipeline safety management and flood risk prevention.

    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

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    Digital Innovation

    APPhored (7)
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    Digital Innovation

    DSC_3571
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    Digital Innovation

    Material are (1)
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    Digital Innovation

    第24点图替换组合配图1
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    Digital Innovation

    DIP 1
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    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.

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