Bafs5019A Mass Gas Flow Sensor I2c/RS485 (MODBUS)

• Customization: Available
• Structure Type: Measuring Core
• Measuring Medium: Gas
• Model NO.: BAFS5019A
• IP Rating: IP40
• Certification: CE
• Customized: Customized
• Flow Range: 0~300/500/600/800/1000 Slpm(Customizable)
• Power Supply: 8~24VDC, 50mA
• Precision: ±1.5%Fs
• Response Time: 20ms
• Maximum Pressure: 0.8MPa(Customizable)
• Communication Methods: I2c/RS485(Modbus)
• Output Way: Analog Output 1~5VDC
• Interface: G3/4(Customizable)

Product Description

BAFS5019A mass gas flow sensor is a microelectromechanical system (MEMS) flow sensor chip production, is suitable for various purposes of cleaning, small relatively dry gas flow measurement and process control, unique packaging technology makes the product to meet different range of flow measurement, to ensure the high sensitivity, high reliability, high stability and low cost.    

BAFS5019A series products are based on MEMS traffic sensing unit, high precision digital processing and calibration circuit (MCU) composition, integrated high-resolution Delta-σ A/D converter and have internal calibration function Qun circuit and MCU processor together to ensure that the sensor signal real-time effective acquisition, obtain accurate traffic signal, And the corresponding compensation algorithm is processed internally, so there is no need to do any external calibration compensation, can ensure high precision flow output; Friendly digital output communication line, users can get corresponding data and information very easily; Product application range is very broad.

Charcteristics:

• High accuracy (1.5% F.S accuracy)
• Linear output and no temperature compensation
• Maintain long term stability with minimum zero drift
• Fast response time
• Wide flow rate range 0~60m/s, impact resistance 100g
• Solid sensing core (no surface cavities or fragile film), resistant to clogging and pressure impact
• Analog output (1-5 V) (digital RS485 communication output can be provided)
• Can be adapted to the relative humidity gas measurement
• The sensor is resistant to condensation

Application:

• Industrial     • Medical     • Oil     • Food processing     • Fuel gas     • Chemical     • Smelting     • Mechanical and electrical equipment

 

Product Parameters

Flow range	0~300/500/600/800/1000 slpm(customizable)
Power supply	8~24VDC,50mA
Precision	±1.5%FS
Response time	20ms
Maximum pressure	0.8MPa(customizable)
Communication methods	I2C/RS485(MODBUS)
Output way	Analog output 1~5VDC
Working temperature	-25ºC~85ºC
Storage temperature	-40ºC~90ºC
Humidity	0~100%RH
Medium temperature	-10ºC~65ºC
Environment temperature	-25ºC~85ºC
Interface	G3/4(customizable)
Protection grade	IP40
Calibration mode	Air, 0ºC, 101.325kPa
Material	Stainless steel (Aluminum alloy optional)

 

Dimensions

Communication:
1.RS485 communication The communication mode of the flowmeter is Rs485, and there are two protocol modes: (the factory default is mode B
    A. The factory calilbration communication protocol is single machine communication protocol,
    B.Modbus protocol, multi-machine communication protocol;
Other Settings are:
    Baud rate: 9600(Protocol A) /  9600(protocol B);
    Data bit: 8;
    Stop bit: 1;
    Check bit/flow control: none.
2,1²Ccommunication
Please contact the manufacturer for detailed communication protocol.
Connect the cable between the flowmeter and the user interface as follows:
    Red: V +
    Black: V -
    Green: SCL (12c)
    Blue: SDA (I2C)
    Yellow: Vout (Analog voltage output)

Note:
Pin definition, RS485 communication (A and B); The power supply is the external power supply input (8-24VDC).Yellow is the analog voltage output (1~5 VDC); The power supply is negative for public ground (GND)Color indicates the color of the cable

 

Installation Instructions

 

 

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