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YL-809 digital pressure gauge

YL-809 is an economical digital pressure gauge with a built-in high-precision pressure sensor that can accurately display pressure in real time, and has the characteristics of high accuracy and good long-term stability. This pressure gauge adopts an LCD display screen, which has multiple functions such as reset, backlighting, on/off, unit switching, low voltage alarm, etc. It is easy to operate and easy to install. YL-809 can measure media that are non corrosive to stainless steel, such as water, oil, and air, and is suitable for use with pressure vessels, automation equipment, and laboratory equipment.

  • Introduction

    YL-809 is an economical digital pressure gauge with a built-in high-precision pressure sensor that can accurately display pressure in real time, and has the characteristics of high accuracy and good long-term stability. This pressure gauge adopts an LCD display screen, which has multiple functions such as reset, backlighting, on/off, unit switching, low voltage alarm, etc. It is easy to operate and easy to install. YL-809 can measure media that are non corrosive to stainless steel, such as water, oil, and air, and is suitable for use with pressure vessels, automation equipment, and laboratory equipment.


  • Structure and dimensions

    YL-809尺寸图


  • Parameter
    Range    Negative pressure / compound:-0.1~0MPa
        convention:0.16~25MPa
    安装接口    G1/4,M14*1.5
    Accuracy    1%
    Display digits    4-digit LCD display
    Backlight color    White backlight
    Dial size    60mm
    Supply voltage    3V
    Power consumption    <0.001W
    shell material    304stainless steel
    Joint material    304stainless steel
    Battery replacement    12~24month
    Operating temperature    -20~50℃
    Features    Power on/off backlight back to zero unit switching


  • 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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