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High-Temperature High-Pressure (HTHP)

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December 23, 2025
Category Connection: Transmitter
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Brief: Watch the demo to catch practical tips and quick performance insights. This video provides a detailed walkthrough of the HQ120A Flange High Temperature Flat Diaphragm Pressure Transmitter, showcasing its operation in high-temperature, high-pressure environments. You'll see how its diffused silicon sensor technology ensures reliable performance and how it integrates with various control systems for industrial applications.
Related Product Features:
  • Features reverse polarity and current limiting protection for enhanced safety.
  • Utilizes laser trimming and temperature compensation for precise measurements.
  • Allows on-site adjustment of zero point and range for flexible calibration.
  • Offers a wide measurement range and corrosion resistance for various media.
  • Provides strong overload and anti-interference capabilities for stable performance.
  • Supports multiple output signals including 0-10mA and 4-20mA options.
  • Compact and lightweight design for easy installation and use.
  • Suitable for gauge, absolute, sealed gauge, and negative pressure measurements.
FAQs:
  • What types of pressure measurements can the HQ120A transmitter handle?
    The HQ120A transmitter can handle gauge pressure from 0-5 kPa to 100 MPa, absolute pressure from 0-20 kPa to 100 MPa, sealed gauge pressure from 0-7 MPa to 120 MPa, and negative pressure from -100 kPa to 700 kPa.
  • What output signal options are available with this pressure transmitter?
    It offers multiple output options: 0-10mA output with load resistance 0-1.5kΩ, 4-20mA output with load resistance 0-600Ω, constant current output with internal resistance greater than 10MΩ, and two-wire 4-20mA output.
  • What industries is the HQ120A pressure transmitter suitable for?
    This transmitter is widely used in power, petrochemical, machinery, metallurgy, and various energy metering fields due to its reliable operation and stable performance.
  • What is the accuracy level of the HQ308 series pressure transmitters?
    The HQ308 series offers two accuracy levels: 0.3 level with basic error ≤±0.3% FS and 0.5 level with basic error ≤±0.5% FS, ensuring precise measurement for industrial applications.
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