Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of impeller turbine mass flow meter in China. Welcome to buy high quality impeller turbine mass flow meter at competitive price from our factory. We also accept customized orders.
The HNF20-C Intelligent Industrial Gas Turbine Flow Sensor is a high-performance, multi-variable flow meter designed for precise and reliable gas measurement in demanding industrial applications. It integrates flow, pressure, and temperature sensing into a single robust device, providing automatic temperature and pressure compensation to deliver accurate standardized volume flow data-essential for billing, process control, and energy management.
Engineered for versatility, the sensor supports a wide array of output signals including 4–20 mA analog, frequency/pulse (0.1–5000 Hz), HART, RS485, and RS232 communication, ensuring seamless compatibility with modern control and SCADA systems. It offers exceptional measurement stability with a typical accuracy of ≤±1% FS, a fast response time of <40 ms, and a wide turndown ratio with a lower detection limit below 0.5 m/s. Its construction features a durable stainless steel body, 316L sensor components, and a cast aluminum alloy enclosure, built to withstand pressures up to 4.0 MPa (depending on model).
Certified for explosive hazardous environments (Exd IICT2...6), the HNF20-C is ideal for use in natural gas, biogas, chemical, pharmaceutical, and metallurgical industries. It features a user-friendly LCD interface for on-site configuration and reading, ultra-low power consumption, and advanced nonlinear accuracy compensation. With its combination of intelligent compensation, multiple output options, robust explosion-proof design, and suitability for gases like air, natural gas, hydrogen, and nitrogen, the HNF20-C is the trusted choice for engineers seeking a comprehensive, accurate, and future-proof gas flow measurement solution.
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HNF20-C Gas Turbine Flowmeter Parameters |
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Specific Parameters |
Value / Description |
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Measurement Principle |
The measurement of gas flow is based on the principle of turbine rotation. When a stable state of gas flows through this instrument, it drives a turbine rotor. The rotational speed is directly proportional to the volumetric flow rate. Integrated pressure and temperature sensors are capable of real-time detection of gas conditions, while the built-in high-precision intelligent circuit board will automatically compensate for factors such as pressure, temperature, and gas compressibility. This multi-variable measurement ensures highly accurate standard volume flow output under various process conditions. |
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Nominal Diameter Range |
DN 25 to DN400 |
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Wetted Parts Material |
316L Stainless Steel, Aluminum Alloy |
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Connection Method |
Flange connection (DN25～DN200) |
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Maximum Measurement Error |
≤±1.5% FS (maximum) |
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Measurement Range |
3.0m³/h to 6000m³/h |
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Maximum Process Pressure |
4.0 MPa (DN25-DN50) |
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Medium Temperature Range |
-20 ~ +70 °C |
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Ambient Temperature Range |
-20 ~ +65 °C |
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Transmitter Housing Material |
Cast Aluminum Alloy |
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Display/Operation |
Four-line backlight display with touch function (supports external operation), supports configuration settings through local display and operation tools, optional remote display function |
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Inputs |
Analog Input, Digital Input |
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Outputs |
4-20mA, pulse, HART, RS485, RS232 |
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Power Supply |
24VDC ±10% or 220VAC |
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Certificate |
CE, Exd IICT2...6 (Explosion-proof) |
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Functional Safety |
Functional safety complies with IEC 61508 standard, allowing use in safety applications specified by IEC 61511 standard |
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