PFLOW4008 Series MEMS Mass Flow Sensors

MEMS Mass Flow Sensor PFLOW4008 Series PFLOW4008 is specially customized for Angst+Pfister AG for their proprietary applications. The sensor is utilizing the Company's MEMS mass flow sensor with customized circuitry and enclosure. Specifications Parameters Electrical interface Non-corrosive / non-explosive Max. Pressure (0~+50°C) (-10~0°C / +50~+55°C) Burst pressure (0~+50°C) (-10~0°C / +50~+55°C) Mechanical connector bar(g) bar(g) bar(g) bar(g) Φ6 / Φ8mm one-touch connectors Linear: IO-Link / Analog 0~10Vdc / I2C Power supply Working current Null shift Temperature coefficient Max. pressure loss...

Sensor selection The sensor part number is composed of the product model number and suffix indicating the fullscale flow rate, mechanical connection, output format as well as application gas. Refer to the following for details. PFLOW4008 Gas (Air, N2, O2, Ar: Argon, CO2 Please contact manufacturer for other gases Output (I2C, IOL: IO-Link ) Connection (NPT: NPT 1/4, BSPT: BSPT 1/4; ONET6: One-touch, ID=6mm ONET8: One-touch, ID=8mm ) Full scale flow rate1 (selectable: 2,5,10,20,50 SLPM) Version (Null: standard version) Note: 1. Maximum flowrate value and unit, for example, 10SLPM

2. I2C read and write sequences

3. I2C command description Command Byte Command Name Offset calibration 4. CRC checksum calculation The 8-bit CRC checksum transmitted after each two data bytes (int 16) is generated by a CRC algorithm. Its properties are listed in the table below. To calculate the checksum, only these two previously transmitted data bytes are used. Property Protected data Reflect input Reflect output

Safety and Maintenance Safety Precautions The sensors cannot be used for gas metrology of fluoride or fluoride-containing gases. For updates on the product certification information, please contact the manufacturer. Use for other gases such as extreme corrosive and toxic may cause the product malfunctioning or even severe damages The product sealing is ensured to work under a working pressure of 8 bar and is leakage proof tested before the shipment. However, cautions and further leakage tests are important at installation since any leakage could cause severe safety issues. The power supply for...

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