MF4000 Gas Flow Meter for Low-Flow Gas Measurement No Temperature or Pressure Compensation Needed 3-8mm Diameter

MF4000 Gas Mass Flow Meter

Product Overview
The MF4000 Series represents an advanced gas mass flow measurement solution specifically engineered for low-flow applications in 3-8 mm diameter pipelines. Utilizing cutting-edge MEMS thermal sensor technology, this flow meter delivers direct mass flow measurement without the need for external temperature or pressure compensation.

Technical Features

• Advanced Sensing Technology: MEMS-based thermal measurement principle

• Compact Design: Optimized for 3-8 mm pipeline applications

• Direct Mass Flow Measurement: No additional temperature/pressure compensation required

• High Precision: Exceptional accuracy and repeatability

• Flexible Output: Multiple output signal options available

Performance Specifications

• Pipe Diameter Range: 3-8 mm

• Measurement Type: Gas mass flow

• Technology: MEMS thermal sensor

• Installation: In-line pipeline mounting

Key Advantages

• Simplified installation and operation

• Reduced maintenance requirements

• Reliable performance in low-flow conditions

• Broad compatibility with various gases

Typical Applications

• Industrial gas monitoring systems

• Medical equipment gas flow measurement

• Laboratory research applications

• Process control in instrumentation

The MF4000 Series combines sophisticated MEMS technology with practical design to provide a reliable and accurate solution for demanding low-flow gas measurement applications across multiple industries.

Technical Parameters

The key specifications for the MF4000 series (with models MF4003 for 3mm diameter and MF4008 for 8mm diameter) are summarized in the table below:

Key Features & Advantages

The MF4000 series stands out due to several important features:

High Precision & Wide Rangeability: Offers an accuracy of ±(1.5+0.2FS)% and a impressive 100:1 turndown ratio, allowing for reliable measurement across a broad flow range.

MEMS Sensor Technology: The core MEMS thermal sensor provides fast response times (as low as 10 ms), high stability, and measures mass flow directly, eliminating the need for external temperature or pressure compensation.

Flexible Output & Communication: Provides multiple output options including analog voltage (0.5~4.5 VDC), RS232, and RS485, facilitating easy integration into various control and monitoring systems.

User-Friendly Design: Features an LED display for showing instantaneous and cumulative flow, and allows for on-site parameter configuration via buttons.

Compact & Versatile Installation: Its compact design and multiple available connection types (threaded or quick-connect) make it easy to install in diverse applications and space-constrained environments.

Low Power Consumption: With a typical requirement of 50 mA, it is suitable for applications where power efficiency is important, including potentially battery-operated systems.

Typical Applications

The MF4000 gas mass flow meter is versatile and is commonly used in:

Medical & Healthcare Equipment: Anesthesia machines, ventilators, respiratory devices, hospital oxygen supply systems, and patient monitoring.

Industrial Process Control & Automation: Monitoring and controlling gas flow (e.g., compressed air, O₂, N₂, H₂, He) in various manufacturing and processing applications.

Environmental Monitoring & Analysis: Air samplers, gas analyzers, and other equipment used for environmental detection and emission monitoring.

Laboratory & Analytical Instruments: Particle counters, spectrometers, and other precision instruments requiring accurate gas flow measurement.

General Purpose Low-Flow Gas Measurement: Any application involving low flow rates of clean, dry gases in small diameter pipes where reliable data is critical.