Burkert Mass Flow Controller MFC/Flow Meter Model 8746

This article details the Burkert MFC/MFM mass flow controller (model 8746) from a reputable manufacturer in Germany, offering a 65% discount. Made in France, with complete customs documentation and a one-year warranty.

The article provides a comprehensive overview of the Burkert MFC/MFM mass flow controller (model 8746), including product characteristics, technical parameters, communication interface, measurement principle, etc. The Burkert MFC/MFM mass flow controller is made in France. Our company is a distributor of Burkert, directly sourcing from the German manufacturer.

We offer fast pricing, a 65% discount, a one-year warranty, support for Burkert product selection and after-sales service, stable delivery times, timely air freight, and expedited customs clearance.

Burkert 8746 MFC/MFM Product Features: ● Rated flow range 20 Nl/min to authorized 2500 Nl/min ● High accuracy and repeatability with extremely fast response ● Durable and stable flow calibration ● Configuration memory simplifies device changeover ● Optional: ATEX II 3G/D class or USP VI, FDA,.

EC 1935 compliance marks Burkert 8746 MFC/MFM Type Description: The Burkert 8746 Gas Mass Flow Controller (MFC) / Burkert Gas Mass Flow Meter (MFM) for gases is suitable for a wide range of applications, such as in metal and glass production or processing, fermentation processes, test benches or filling.

lines and packaging machines.

The Burkert 8746 MFC is available in two versions: one with different analog and digital (communication) interfaces, and the other with a CANopen-based interface.

The second version is suitable for integration into existing CANopen networks, or, when combined with a Burkert fieldbus gateway, for integration into all current standard industrial Ethernet or fieldbuses.

This version is specifically designed for applications with multiple control segments. A single fieldbus gateway can connect up to 32 MFC/MFM units. The gateway transmits internal communication via CANopen to industrial Ethernet or fieldbus standards.

The German Burkert mass flow controller/Burkert flow meter can switch between bus and CANopen communication at any time.

The Burkert 8746 MFC/MFM can be configured as either MFM or MFC as needed. The device can store up to four calibration curves. A thermally embedded sensor directly located in the total current achieves fast response time and high measurement accuracy through long-term stable calibration.

Burkert's direct-acting electromagnetic proportional valves or engine valves as actuators ensure high sensitivity. The integrated PI controller guarantees superior control characteristics for the MFC.

The Burkert 8746 Mass Flow Controller (MFC) features low pressure loss even at high flow rates and is particularly suitable for use in harsh environments due to its high IP protection rating and explosion-proof capability.

• Burkert 8746 Mass Flow Controller MFC/Burkert Flow Meter MFM General Technical Parameters: 1.1 General Information Product Features Materials Basic Module Aluminum or Stainless Steel Housing Die-cast Aluminum (painted) Seals FKM or EPDM (depending on the gas) 1) Configuration Memory Card (within the supply) EEPROM (μSIM card: saves all parameters related to equipment changes (such as different fieldbus or controller settings) without the use of software tools) Burkert 8746 MFC Electrical Parameters Operating Voltage 24V DC Voltage Tolerance ±10%. Residual Ripple ±2% Electrical Interface M12 plug, 5 pins. For analog and PROFIBUS-DP specifications, also available: M12 socket, 5 pins Media Parameters Operating Medium Neutral, uncontaminated gas (please consult us if other media are required) Calibration medium: Working gas or air with correction function;
• Temperature: -10.2°C...+70°C (for oxygen, -10°C...+60°C) Process/piping interface and communication piping interface: G or NPT %4", %", /%", 3%", 1" Flange digital (communication) interface: CANopen, CAN-based biS or PROFIBUS-DP Analog interface: 4..20 mA, ...20 mA, ...10V or ...5V Input impedance: >20kΩ (voltage) or <300Ω (current) Maximum current: 10 mA (voltage output);
• Maximum load: 600Ω (current output) Environment and installation: Installation position: horizontal or vertical;
• Ambient temperature: -10...50°C (higher temperature configurations available upon request) Accessories: Software tool: Burkert Communicator software. For details, please refer to "9.1. Burkert Communicator Software" on page
• Burkert, Germany Burkert Mass Flow Controller (MFC) Model 8746, 1500 nl/min, Air, 4-20 mA, Aluminum Base G3/4 inch, Rated Pressure 2 bar. Product No. 20004855. German Burkert 8746 MFC gas mass flow controller, flow rate 1500 l/min, medium: air, order number 20004855. Actual product image: 1.2. Specifications with Burkert Solenoid Proportional Valves: The Burkert 8746 model can be configured as MFC or MFM as needed. In the MFC specification, the direct-acting 287x series valve is used in this example. These Burkert solenoid proportional valves have no current shut-off, representing the highest measurement accuracy and repeatability in hundreds of microseconds of adjustment/response time. 1.3. Specifications with Burkert Electric Proportional Valves: The Burkert 8746 model with Burkert electric proportional valves is particularly suitable for applications up to 22... For applications involving high input pressure or high flow rates (with low pressure loss). These Burkert valves significantly reduce equipment energy consumption due to their extremely low holding power. Burkert electric valves remain in their position even without current. The maximum on-time of the motor depends on the ambient temperature. On-time refers to the motor's on-time, not the equipment's on-time. The motor is only activated when the valve should be moved. The motor's on-time can increase dramatically due to frequent changes in ratings. For detailed information on derating curves, see "6.3. Derating Curve" on page
• 4.1. Equipment with BUS/CANopen Interface: MFC with Type 2873 Burkert valve (9W coil); coil);
• MFC with Type 2836 Burkert valve (24W coil);
• MFC with Type 3280 Burkert valve;
• MFC with Type 3285 Burkert valve. 4.2. Devices with Analog or PROFIBUS-DP Interfaces: MFC with 2873 type valve (9W coil);
• MFC with 2875 type valve (16W coil);
• MFC with 2836 type valve (24W coil);
• MFC with 3280 type valve;
• MFC with 3285 type valve.
• Device/Process Interfaces: 5.1. CANopen or CANopen-based BIS;
• 2. Analog;
• 3. PROFIBUS-DP. 7.8746 Burkert Mass Flow Controller MFC/Flow Meter MFM Product Operation: 7.1. Burkert 8746 Gas Mass Flow Controller Measurement Principle: This sensor operates as a hot-film anemometer in the so-called CTA operating mode (thermal anemometer). In this mode, a resistor with a precise temperature coefficient directly in the medium flow, along with three other resistors, is connected as a measuring bridge. The first resistor (R) in the medium flow is used to measure the fluid temperature, and the second low-ohm resistor (R) is used to measure the fluid temperature. It is continuously heated to maintain it at a fixed, compliant temperature higher than the fluid temperature. The heat flux required for this is a measure of heat dissipation through the flowing gas and is the primary measurement variable. Proper flow conditions within the MFC, along with calibration using high-value flow standards, ensure high accuracy in deriving the amount of gas flowing through each unit of time from the primary signal.

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