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YL-821EA digital remote transmission pressure gauge

The YL-821EA digital remote pressure gauge can choose a 4-20mA current output. This digital remote pressure gauge adopts a four position LCD screen, which can provide real-time pressure on-site. At the same time, the pressure signal can be transmitted remotely, with a transmission distance of more than 500 meters. Built in pressure sensor with powerful functions, users can change pressure units, calibrate zero position errors, correct filtering constants, etc. on their own.

The YL-821EA digital remote pressure gauge adopts a 304 stainless steel casing and connector, with waterproof cable outlet and waterproof grade of IP65, which has a wide range of medium applicability. This product can be used to replace traditional pointer type remote pressure gauges or pressure transmitters.


  • Introduction

    The YL-821EA digital remote pressure gauge can choose a 4-20mA current output. This digital remote pressure gauge adopts a four position LCD screen, which can provide real-time pressure on-site. At the same time, the pressure signal can be transmitted remotely, with a transmission distance of more than 500 meters. Built in pressure sensor with powerful functions, users can change pressure units, calibrate zero position errors, correct filtering constants, etc. on their own.

    The YL-821EA digital remote pressure gauge adopts a 304 stainless steel casing and connector, with waterproof cable outlet and waterproof grade of IP65, which has a wide range of medium applicability. This product can be used to replace traditional pointer type remote pressure gauges or pressure transmitters.



  • Structure and dimensions

    YL-821EA尺寸图


  • Parameter
    range    negative pressure:0~-100Kpa
        Composite range:-0.1~0.1...0.25...0.4...0.6...1.0Mpa
        micropressure:0~5...10...25...50...100Kpa
        convention:0~0.25...0.6...1...1.6...2.5...4Mpa
        high-handed:0~6...10...16...25...40...60MPa
    Overload pressure    < 10MPa 200% ≥10MPa 150%
    display window    LCD
    response time    ≤2ms
    accuracy    0.5%FS 0.25%FS
    long term stability    0.5%FS/year
    Zero point temperature drift    Typical: ± 0.02%FS / ℃, maximum ± 0.05%FS / ℃
    Sensitivity to the temperature drift    Typical: ± 0.02%FS / ℃, maximum ± 0.05%FS / ℃
    supply voltage    12~28VDC (24VDC)
    output signal    4-20mA
    working temperature    -40~80℃
    compensation temperature    -10~70℃
    Storage temperature    -40~100℃
    electric protection    Anti-reverse connection protection and anti-frequency conversion interference design
    levels of protection    IP65
    Measurement medium    Gas or liquid compatible with stainless steel
    Pressure interface    M20*1.5 G1/2 G1/4
    Shell material    304 Stainless steel


  • 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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