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    AI Overview
    Relay helium leak detection equipment uses mass spectrometry to identify microscopic leaks in relay housings and contact parts, ensuring vacuum integrity or hermetic sealing to standards like Mil-Std 750/883. These systems, including specialized solutions from HCTE, Inficon, and ORS, provide high-sensitivity, fast-throughput testing for both fine and gross leaks, often integrating automated, recipe-driven, or sniffer-based workflows. 
    Key Features & Technologies 
    • Mass Spectrometry: Uses a mass spectrometer to count helium particles specifically, providing highly sensitive detection, often down to
      10-1210 to the negative 12 power
      10−12
       mbar·L/s, according to Shimadzu Corporation and WestAir Gases.
    • Methodology:
      • Vacuum Method: The relay is placed in a vacuum chamber to detect any helium escaping from its interior.
      • Sniffer Method: A probe "sniffs" for helium escaping from a pressurized relay, such as with Innomatec's MHLS 100.
    • System Customization: Components often include PLC control, automatic calibration, barcode integration, and customizable vacuum/rinsing parameters, notes IMS. 
    Common Applications 
    • Hermeticity Verification: Ensuring relays are sealed properly to prevent contamination.
    • Quality Control: High-sensitivity detection for aerospace, military, and telecommunication components, explains EVP Vacuum.
    • Production Testing: Automated systems allow for high-speed testing on production lines, according to IEC Testing Equipment. 
    Leading Manufacturers and Systems 
    • Inficon: LDS3000 and XL3000flex.
    • HCTE PTE, Ltd: Specialized relay-focused systems.
    • ORS (Oneida Research Services): HSHLD® Model 310.
    • Innomatec: MHLS 100 series.
    • LACO Technologies: TITAN VERSA.
    • Leybold: UL-200 portable units. 
    • Helium mass spectrometer leak detector for relay quality inspection
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      Inficon helium leak detectors are designed to be accurate, fast, and reliable. They can help manufacturers detect even the smalles...
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    • Helium mass spectrometer leak detector for relay quality inspection
      Oct 29, 2024 — In the production process, in order to ensure their stability and reliability, helium mass spectrometer leak detectors have become...
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    • Helium Leak Detectors & Vacuum Leak Detection Devices
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    • Helium Leak Detectors for Precision Testing | INFICON
      Inficon helium leak detectors are designed to be accurate, fast, and reliable. They can help manufacturers detect even the smalles...
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    • Helium Leak Detector : SHIMADZU CORPORATION
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    • Helium Leak Detector | IMS | High Precision Manufacturing Equipment
      IMS detectors are designed to be semi-automated and accurate. They are equipped with mass spectrometers to count helium particles ...
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    • Helium Leak Testing: The Definitive Technical Guide - TQC Ltd
      Mar 15, 2026 — In most helium leak testing applications, a mass spectrometer is used to detect helium. Although, it is also possible to use a res...
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    • High Sensitivity Helium Leak Detection (HSHLD ® )
      Our test method is DLA approved for Mil-Std 750 and 883 Our High Sensitivity Helium Leak Detection System (HSHLD®) Model 310 is an...
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    • Turnkey Helium Sniff Leak Detection System – MHLS 100 - innomatec
      The MHLS 100 can provide either manual leak detection with a hand-held sniffer probe or an automatic sniffer test using a robot. Y...
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    • How Does a Helium Leak Detector Work? - WestAir Gases
      Oct 31, 2025 — A helium leak detector uses a mass spectrometer to sort gas molecules by weight, isolating helium atoms that escape through micros...
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    • miniTracer™ Helium and Multi-Gas Portable Leak Detector
      We recommend the TITAN VERSA Helium Leak Detector by LACO Technologies.
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    • Leybold UL-200 Helium Leak Detector | HVS
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    • A Deep Dive into Helium Leak Testing Equipment for Relay ...
      Helium leak testing gear is like a super-sensitive detective for leaks. It uses helium – that stuff that makes balloons float and ...
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    • Relay Helium Leak Detection Equipment - HCTE PTE. LTD.
      HCTE PTE, Ltd is a professional and reliable manufacturer of Relay Helium Leak Detection Equipment. We look forward to serving you...
      www.isoautotest.com
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    Helium mass spectrometer leak detector for relay quality ...


    EVP vacuum pump
    https://www.evpvacuum.com › helium-mass-spectromete...
    EVP vacuum pump
    https://www.evpvacuum.com › helium-mass-spectromete...
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    Model 310 Leak Detector


    Oneida Research Services
    https://orslabs.com › test-equipment › leak
    Oneida Research Services
    https://orslabs.com › test-equipment › leak
    Our model HSHLD® Model 310 uses conventional mass spectrometer helium leak test technology. This gives you enhanced spectrometer sensitivity at a modest cost.Read more

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    iectestingequipment.com
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    Precision and Reliability with IMS Helium Leak Detectors


    IMS - Production automation
    https://ims-nl.com › Applications
    IMS - Production automation
    https://ims-nl.com › Applications
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    Relay Helium Leak Detection Equipment


    HCTE PTE. LTD.
    https://www.isoautotest.com › relay-helium-leak-detecti...
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    HCTE PTE, Ltd is a professional and reliable manufacturer of Relay Helium Leak Detection Equipment. We look forward to serving you for all your needs.

    Helium Leak Detectors for Vacuum & Sniffing Applications


    Agilent Technologies
    https://www.agilent.com › ... › Helium Leak Detectors
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    https://www.agilent.com › ... › Helium Leak Detectors
    Our Helium Leak Detector (HLD), PHD-4 and Multi-Gas CrossLab sniffers, as well as C15 component leak detector are rugged, precise, and easy-to-use instruments.Read more
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    Helium Leak Detectors for Precision Testing


    INFICON
    https://www.inficon.com › products › helium
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    Missing: Relay ‎| Show results with: Relay

    Working principle and advantages of relay helium detection ...


    minruizn.com
    https://www.minruizn.com › News_Details
    minruizn.com
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    In the laboratory, relay detection equipment can be used to detect helium gas leaks in experimental equipment, protecting the safety of experimental personnel.Read more

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    Helium Leak Detector


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    https://www.shimadzu.com › industry › products › detect...
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    This is a system that injects helium into electronic devices as a pre-processing step for electronic device product inspection. Helium Bombing System ...Read more
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