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YL-812EA explosion-proof digital pressure switch

The YL-812EA intelligent digital pressure switch is an intelligent digital pressure switch with multiple outputs, built-in temperature sensor temperature compensation, high display accuracy, diverse control output methods, dual relay output, RS485 output, and 4-20mA signal output options.

The YL-812EA intelligent pressure switch is easy to adjust and easy to install. Equipped with 8-core aviation plugs, various specifications of threaded interfaces are available.

The YL-812EA intelligent pressure switch adopts a fully 304 stainless steel casing and 304 stainless steel joints. The pressure sensing film adopts a 316L stainless steel core, which has stable performance and can be widely used in automated systems for measuring pressure, such as mechanical engineering and automation control systems.


  • Introduction

    The YL-812EA intelligent digital pressure switch is an intelligent digital pressure switch with multiple outputs, built-in temperature sensor temperature compensation, high display accuracy, diverse control output methods, dual relay output, RS485 output, and 4-20mA signal output options.

    The YL-812EA intelligent pressure switch is easy to adjust and easy to install. Equipped with 8-core aviation plugs, various specifications of threaded interfaces are available.

    The YL-812EA intelligent pressure switch adopts a fully 304 stainless steel casing and 304 stainless steel joints. The pressure sensing film adopts a 316L stainless steel core, which has stable performance and can be widely used in automated systems for measuring pressure, such as mechanical engineering and automation control systems.



  • Structure and dimensions

    YL-812EA数显压力开关尺寸图


  • Parameter
    Range    negative pressure:0~-100kPa(0~-0.1MPa)
        micropressure:0~5...10...25...50...100kPa
        convention:0~0.25...0.6...1.0...1.6...2.5...4MPa
        high-handed:0~6...10...16...25...40...60MPa
        ultrahigh voltage:0~100...160...200MPa
    Overload pressure    150%(>10Mpa)200%(≤10Mpa)
    Alarm point setting    Full scale range can be set
    output signal    Dual relay (standard); 4-20mA output (optional)
    Accuracy    ±0.5%FS
    Long-term
    stability
        (Typical: ±0.5%FS/year
    load capacity    220V AC  3A
    Supply voltage    24V DC
    Operating
    temperature
        -20~80℃
    Compensation
    temperature
        -10~70℃
    Electrical
    protection
        Reverse polarity protection
    Sampling frequency    3 times / sec
    Measuring medium    Gas or liquid compatible with 316 stainless steel
    Pressure interface    M20*1.5、G1/4、NPT1/4
    Joint material    304 stainless steel
    shell material    304 stainless steel
    Electrical connections    8-core aerial plug (with line 0.5m)


  • Process
    Retail: Contact customer service - Consult product parameters-Confirm product model-Payment-Logistics shipment-Sign for delivery
    Key customers: Contact customer service-Consult industry solutions-Confirm product model parameters-Sign relevant technical contracts-Payment-Logistics shipment-Sign for receipt









  • After-sales

    1. LONGLV provides customers with installation and debugging services, as well as other technical consultations. If necessary, technical personnel can provide on-site technical training. If the customer has any technical questions, the technical personnel will provide a response within 4 hours.
    2. LONGLV products are strictly designed and produced in accordance with the ISO9001 international quality system, with a 1-year warranty for sensor products and a 3-year warranty for instrument products, with a 7-day return and exchange policy and lifelong maintenance.
    (Human damage is not covered by the warranty, and customized products without quality issues are not returned or replaced.)
    3. For returns and exchanges caused by quality issues, Longlv will bear the return and exchange shipping costs. The cost of returns andexchanges for non quality issues will be borne by the customer.
    Note: Quality issues refer to customized parameters such as function, size, specifications, and installation method that are not customized according to customer requirements, do not meet functional requirements, have dimensional errors, and have inaccurate accuracy (excluding within the error range).
    Customized products require confirmation of drawings by both parties before processing and production. If the product does not meet customer requirements, a written objection must be raised within two weeks. If the customer does not raise an objection within the specified time limit, it will be deemed as qualified acceptance.
    If an objection is raised within the deadline and it is confirmed by both parties that it is a product quality issue or production has not been carried out according to the requirements confirmed by both parties, it can be exchanged or refunded. If there are no quality issues and the shipping model andthe contract signed model are complete and correct, no return or exchange service will be provided.
    4. The products returned for repair will have a test result issued within 3 working days and the repair will be completed within 7 working days.
    After sales consultation
    Technical consultation, factory repair, invoices, complaint suggestions, and other related issues. After sales service hotline 021-51601181


  • Room 910, Building 1, Zikun Science and Technology Park, No. 5018
    Hutai Road, Gucun Town, Baoshan District, Shanghai

  • GET IN TOUCH:+86-189-1625-1113

  • E-mail:shlonglv@163.com

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