Mass Flow Controller (MFC)/ Mass Flow Meter (MFM) for Gases

Type 8741 / Article No. 20001409

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Mass Flow Controller / Meter

Nominal flow ranges from 0.010 lN/min to 160 lN/min
High accuracy and repeatability
Very fast response times
Easy device exchange through configuration memory
Optional: USP Class VI, FDA, EG 1935 conformity

For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet.

Product description

The mass flow controller (MFC) / meter (MFM) Type 8741 for gases is suitable for a wide range of applications and available with Industrial Ethernet, analogue or fieldbus interfaces. The version with CANopen based Bürkert system bus (büS) is suitable for the integration into existing CANopen networks, as well as Industrial Ethernet or fieldbus networks in combination with the fieldbus gateway of Type ME43. The second option is tailor-made for applications with many control loops. Up to 32 MFC / MFM can be connected to one fieldbus gateway. Type ME43 translates the internal CANopen based communication to industry standards for both Industrial Ethernet and fieldbuses. The mass flow controller / meter can always be switched between büS and CANopen communication. Type 8741 can be configured as MFM or MFC. Optional, up to four different gases calibrations can be stored in the device. The thermal MEMS sensor is located directly in the gas stream and therefore reaches very fast response times. A direct-acting proportional valve as regulating unit guarantees high sensitivity. The integrated PI controller ensures outstanding control characteristics of the MFC / MFM.

Commodity Codes: 90261021
Country: FR

Technical attributes

Name	Value	Unit
Type	8741
Device function	Controller
Protection type (IP max. with suitable connector)	IP20
Reference medium 1	H2
Work area medium 1	100
Unit medium 1	SCCM
Supply voltage	24 V DC
Input signal	büS
Output signal	büS
Typical electrical power consumption	3	W
Power consumption according to UL61010-1	4,5	W
Port connection 1 type	Internal thread
Port connection 1 standard	G
Port connection 1 DN	1/4"
Port connection 2 type	Internal thread
Port connection 2 standard	G
Port connection 2 DN	1/4"
Electronics body material	PC (Polycarbonate)
Fluidics body material	Aluminium
Sealing toward outside material	FKM (Fluor rubber)
Seat seal material	FKM (Fluor rubber)
Mounting position	horizontal
Special calibration 1	Flow rate < 100 ml
actuator type	2871
Seat size	0,05 mm
Units for pressure specifications	bar (ü)
Calibration pressure medium 1 at Qnom	3
Maximum pressure medium	5
Outlet pressure medium 1 at Qnom	0,1
Electrical connection 1 type	Terminal strip
Input type digital quantity	0	PCE
Output type digital quantity	0	PCE
Measuring accuracy of reading	0,80 %
Measuring accuracy from end value	0,30 %
Measuring or control range	1:20
Weight	1	kg

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Can be combined with

Type 6011

Plunger valve 2/2 way direct-acting

Type 6013

Plunger valve 2/2 way direct-acting

Type 6027

Direct-acting 2/2 way plunger valve

Type 0330

Direct-acting 2/2 or 3/2-way pivoted armature...

Type ME43

Fieldbus gateway

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Applications & Tools

Downloads

Data Sheets

Description	Filesize	Language / Country
Type 8741 data sheet \| mass flow controller/meter for gases	4 MB	EN / EU
Type ME43 data sheet \| Fieldbus Gateway	1 MB	EN / EU
Tipo 8741 Ficha técnica \| Mass flow controller (MFC)/ Mass flow meter (MFM) para gases	4 MB	PT / BR
Tipo ME43 Ficha técnica \| Gateway de barramento de campo	885 kB	PT / BR
Typ 8741 Datenblatt \| Massendurchflussregler/-messer für Gase	4 MB	DE / DE
Typ ME43 Datenblatt \| Feldbus-Gateway	1 MB	DE / DE
タイプME43 データシート \| フィールドバスゲートウェイ	2 MB	JA / JP
型号 8741 参数表 \| 质量流量控制器 (MFC)/气体质量流量测量计 (MFM)	4 MB	ZH / CN
型号 ME43 参数表 \|现场总线网关	2 MB	ZH / CN
规格页 8741 型 \| 气体质量流量控制器 (MFC)/气体质量流量测量计 (MFM)	5 MB	ZH / CN

User Manuals

Description	Filesize	Language / Country
Cabling Guide for büS/EDIP	544 kB	EN / EU
Definition fieldbus: Communication, cyclic commands, accessto büS objects	660 kB	EN / EU
Operating Instructions Type 8741 8742 \| MFM / MFC büS / CANopen	3 MB	EN / EU
Operating Instructions type 8741 \| Industrial Ethernet and analogue versions	1 MB	EN / EU
Software manual Type 8920 \| Bürkert-Communicator	982 kB	EN / EU
Software manual \| CANopen Network configuration	941 kB	EN / EU
Supplement type 8741-8742-8746 bueS/CANopen \| bueS/CANopen switch	94 kB	EN,FR,DE / EU
Bedienungsanleitung Typ 8741 8742 \| MFM / MFC büS / CANopen	3 MB	DE / EU
Bedienungsanleitung Typ 8741 \| Industrial-Ethernet- und Analog-Ausführungen	1 MB	DE / EU
Beschreibung Feldbus: Kommunikation, zyklische Befehle ausführen, Zugriff auf büS-Objekte	669 kB	DE / DE
Description Bus de terrain : communication, commandes cycliques, d'accéder objets büS	671 kB	FR / FR
Istruzioni d'uso Tipo 8741 \| Ethernet Industriale / Analogic	2 MB	IT / IT
Manual de operação Tipo 8741,8742 \| büS / CANopen Mass flow meter (MFM) / Mass flow	4 MB	PT / BR
Manuel d'utilisation Type 8741 8742 \| MFM / MFC büS / CANopen	3 MB	FR / EU
Manuel d'utilisation type 8741 \| Versions Ethernet Industriel et analogiques	1 MB	FR / EU
Manuel du logiciel Type 8920 \| Bürkert Communicator	997 kB	FR / FR
Software-Anleitung Typ 8920 \|Bürkert Communicator	984 kB	DE / DE
Software-Anleitung \| CANopen Netzwerkkonfiguration	1 MB	DE / DE
ソフトウェアマニュアルタイプ 8920 \| Bürkert BürkertコミュニケーターBürkert装置の通信用ソフトウェア	1 MB	JA / JP
使用说明 8741型 \| 工业以太网/模拟质量流量测量计 (MFM)/质量流量控制器 (MFC)	2 MB	ZH / CN
操作説明書 8741 8742 8746 büS / CANopen \| 订单号 00810383 V版本 03 以及00810417 版本 03 使用说明勘误表	226 kB	ZH / CN
操作説明書タイプ 8741 \| Industrial Ethernet / Analogue マスフローメータ (MFM)/マスフローコントローラ (MFC)	2 MB	JA / JP

Software

Description	Filesize	Language / Country
Buerkert Communicator 5.1.3	536 MB	ML
Bürkert büS for NI LabVIEW 1.2.0	28 MB	ML
Device Description Files B.18	14 MB	ML

EU Declaration of Conformity

	Description	Filesize	Language / Country
	EU-DoC\|EU Declaration	30 kB	EN,FR,DE

Certificates/Manufacturer Declarations

	Description	Filesize	Language / Country
	EtherNet/IP \| 11651.01 \| 8741	56 kB	EN
	PROFINET \| Z12370 \| 8741	68 kB	EN

Flyers and Catalogues

Description	Filesize	Language / Country
Precise gas flow control for fermentation processes with innovative mass flow controllers.	238 kB	EN / EU
Precise gas flow control for repeatable fermentation processes	4 MB	EN / EU
The platform for intelligent networking: EDIP	4 MB	EN / GB

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