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ZMJ80XDR Density Monitor for SF6 Gas - Reliable China Suppliers and Factory Solutions for High Voltage Systems

The ZMJ80XDR Density Monitors are essential tools for monitoring SF₆ gas density in sealed tanks, specifically designed for high-voltage systems. These advanced devices provide precise indications of gas density and deliver signal outputs when the density reaches pre-set thresholds. Additionally, ZMJ80XDR monitors enable the real-time transmission of SF₆ gas density data, facilitating online remote monitoring capabilities. As a leading supplier in China, our factory focuses on delivering innovative solutions for both new substations and the renovation and upgrading of existing systems. Trust the ZMJ80XDR Density Monitors for reliable performance and enhanced safety in your high-voltage applications
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    Technical Parameters for Remote Module
    Operating voltage 10~30VDC EMC tests IEC61000-4-2: Level 4
    IEC61000-4-3: Level 3
    IEC61000-4-4: Level 4
    IEC61000-4-5: Level 4
    IEC61000-4-6: Level 3
    IEC61000-4-8: Level 5
    IEC61000-4-9: Level 5
    IEC61000-4-10: Level 5
    Power consumption <0.5W
    Communication mode RS485
    Communication protocol Modbus RTU
    Baud rate 9600bps
    Technical parameters
    Scale range -0.1 ~ 0.9MPa
    Accuracy of set pressure point ±1.0%FS(+20±1℃)
    ±1.6%FS(-30℃~ +60℃)(gas)
    Accuracy of indication ±1.0%FS(+20±1℃)
    ±1.8%FS(-20℃~ +60℃)(gas)
    ±2.3%FS(-30℃~ -20℃)(gas)
    Accuracy of transmitter Pressure:±0.5%FS
    Temperature:±1℃
    Pressure at 20℃: ±1.0%FS
    Degree of protection IP65
    Ambient condition -30℃ ~ +60℃ , relative humidity:≤ 95%RH
    Leakage rate ≤ 1×10-9 Pa·m3/s(Helium leak detection)
    Process connection M20×1.5, (customizable)
    Installation method Radial or axial
    Electrical connection Contact connection: pluggable connector, wire diameter 0.2 ~ 2.5 mm2
    Remote connection: pluggable connector, wire diameter 0.2 ~ 1.5 mm2
    Insulation property(contact part) Insulation resistance: >100MΩ (DC500V)
    Withstand voltage: 2kV, 50/60Hz, 1min
    Contact type Microswitch
    Impact rating 50g
    Contact electrical parameters 10(1.5)A, 250V AC
    0.1(0.05)A, 250V DC
    Window glass Laminated safety glass
    Weight ≈ 1.4kg
    Pressure element Bellow and Bourdon Tube
    Frequently Asked Questions
    Q: What is the operating voltage range for the remote module?
    A: The remote module operates within a voltage range of 10~30VDC, ensuring compatibility with various industrial power systems.
    Q: What communication protocol does the device support?
    A: The device uses Modbus RTU protocol over RS485 communication mode with a baud rate of 9600bps, which is widely compatible with industrial automation systems.
    Q: What is the accuracy of the pressure measurement?
    A: The accuracy varies with temperature conditions. At +20±1℃, the set pressure point accuracy is ±1.0%FS, while the indication accuracy is also ±1.0%FS. The transmitter pressure accuracy is ±0.5%FS.
    Q: What is the IP protection rating of this device?
    A: The device has an IP65 protection rating, making it dust-tight and protected against water jets from any direction, suitable for harsh industrial environments.
    Q: What are the available installation methods?
    A: The device can be installed either radially or axially, with a process connection of M20×1.5 (customizable options available).
    Q: What is the operating temperature range?
    A: The device operates in ambient conditions from -30℃ to +60℃ with relative humidity up to 95%RH, making it suitable for various environmental conditions.

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