Gas Flow Meter

Description

Overview of KNKE Gas Flow Meter

KNKE Gas Flow Meter offers high precision for measuring gas flow in closed pipelines. It combines a turbine flow sensor with a converter, delivering accurate readings with high repeatability and low pressure loss. Thanks to its fourth-generation TMR sensor technology, it excels at resisting electromagnetic interference, making it a reliable choice for demanding industrial environments. Furthermore, the meter has an advanced data storage system that preserves readings even during power interruptions.


Key Features of KNKE Gas Flow Meter

  • High Accuracy and Repeatability
    The KNKE Gas Flow Meter ensures reliable gas flow measurements with minimal error. It maintains excellent repeatability, even under challenging conditions.
  • Advanced Sensor Technology
    Equipped with a fourth-generation TMR (Tunneling Magnetoresistance) sensor, the meter provides superior electromagnetic immunity. This ensures stable performance, even in environments with high interference.
  • Multiple Output Options
    You can configure the gas flow meter with various output types, including pulse, 4-20mA analog output, and RS485 (MODBUS-RTU protocol). This flexibility allows integration with different industrial communication systems.
  • Low Power Consumption
    The gas flow meter operates efficiently with low power usage. It uses a lithium battery that can last for more than five years or can be powered externally, depending on your requirements.
  • Real-Time Data Storage
    The device features internal data storage that prevents data loss during power failures. This ensures that your valuable data remains secure.
  • Clear and Intuitive Display
    The backlit LCD screen makes it easy to read real-time flow data, including parameters such as temperature and pressure, with clarity and ease.
  • Durability in Harsh Conditions
    Built with high resistance to impurities, the KNKE Gas Flow Meter is designed for long-term reliability, even in demanding environments.

Technical Specifications

Parameter Specification
Standard GB/T18940-2003 for gas flow measurement in closed pipelines
Nominal Diameter DN20 to DN300
Connection Type Threaded/Flanged for DN25, DN40, DN50; Flanged for others
Accuracy Class 1.5, 1.0
Range Ratio 1:10, 1:20, 1:30
Body Material 304 Stainless Steel or Cast Aluminum
Impeller Material Aluminum Alloy
Converter Material Cast Aluminum
Medium Temperature -20°C to +80°C
Environment Temperature -30°C to +60°C
Relative Humidity 5% to 90%
Atmospheric Pressure 86kPa to 106kPa
Working Power Supply A. External: +24VDC ±15%, Ripple ≤ ±5%
B. Internal: 1×3.0V 10AH lithium battery
Power Consumption External: <1W, Internal: ≤1W (3+ years continuous use)
Signal Output Pulse, 4-20mA, Control Signal
Communication Output RS485 Communication (MODBUS-RTU)
Signal Connection Internal Thread M20×1.5 or other
Explosion-proof Rating ExdⅡBT6Gb
Ingress Protection IP65

Applications of KNKE Gas Flow Meter

KNKE Gas Flow Meter excels in measuring various gases across different industries. It’s widely used in sectors like oil, chemical processing, and power generation. Below are some of its common applications:

  • Gas Distribution
    The meter is perfect for measuring natural gas, LPG, and other hydrocarbon gases in distribution systems.
  • Energy Metering
    KNKE Gas Flow Meter is ideal for thermal gas measurement in energy industries, ensuring accurate measurement for energy accounting.
  • Chemical Processing
    It’s commonly used in chemical plants for gas flow measurement, offering precision even under high pressure and temperature.
  • Environmental Monitoring
    The meter helps monitor gas flows in pollution control systems, ensuring compliance with environmental regulations.

Why Choose KNKE Gas Flow Meter?

KNKE’s turbine gas flow meter offers a range of advantages, from superior accuracy to flexible installation options. Whether your operation involves oil, chemical, or power industries, this meter provides reliable, long-lasting performance.


KNKE Gas Flow Meter delivers high accuracy, durability, and advanced features to ensure reliable gas flow measurement. Its multiple output options, real-time data storage, and low power consumption make it an ideal choice for industrial applications. With KNKE Gas Flow Meter, you can confidently measure gas flow in a variety of applications while maintaining consistent, high-quality performance.