Air Intake Flow Meter
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Air Intake Flow Meter Prototype Phase For Air Intake Measurement Humid Air Measurement Accuracy ± 3 % of measured value Mass Flow Determination CAN & Modbus Communication Integrated Temperature and Pressure Sensor Integrated Humidity Sensor optional Robust against impurities and dirt Operating conditions Medium Medium temperature Medium pressure Medium humidity Burst pressure Ambient temperature Ambient humidity IP code Materials Wetted parts Non-wetted parts Features Mass Flow Determination Mass flow determination using ideal gas law based on measurements of volume flow, temperature, and pressure. Humidity Compensation optional Automatic compensation for humidity's influence on air density ensures accurate mass flow determination. DATA SHEET | AIR INTAKE FLOW METER | LANGUAGE EN | VERSION

Air Intake Flow Meter Flow Measurement Accuracy funnel Ultrasonic 0.3 – 270 m³/h ±3 % of measured value * ±1 % of measured value < 0.5 s Accuracy [% of m.v.] Measurement technology Volume Flow Range Volume Flow Accuracy Repeatability Response time * Accuracy specification per accuracy funnel, assuming turbulence-free flow conditions (refer to installation notes). Temperature Measurement Measurement element Measurement range Accuracy Repeatability Response time T09 Pressure Measurement Measurement element Measurement range Accuracy Repeatability Ceramic pressure sensor 0 - 20 bar(a) 2 % of...

Air Intake Flow Meter Mass Flow Determination Max. measurable mass / nominal volume flow increases with higher medium pressure Mass Flow Accuracy Repeatability ±4 % of measured value ±1 % of measured value DATA SHEET | AIR INTAKE FLOW METER | LANGUAGE EN | VERSION 0.3 | RELEASED 2023.03.07 Max. Volume Flow [LN/min*] Flow Range vs. medium pressure

Air Intake Flow Meter Electrical data Power Supply Current consumption Electrical interface Cable length Electrical connection Interfaces Cable color-coding Pinout 1.0 m Open cable ends CAN, Modbus others on request VCC CAN Bus interface Standard Message Format Baud rate Termination Resistor Base ID ISO 11898-2 (High-Speed Applications) 2.0A (11 bit identifier) 1.000.000 kbps Open 0x190 Modbus interface Baud rate Parity Stopbits Device ID 115200 Baud Parity: Even Stopbits: 1 Even 1 0x01 Data Points Standard ▪ Velocity [m/s] ▪ Volume Flow [l/min] ▪ Volume Flow in Normal Conditions [Ln/min] ▪...

Air Intake Flow Meter Dimensions Length Height Width Connection Installation notes Orientation Calming section Installable in any orientation Ensure accurate readings with a calming section 5 x ID upstream and 5 x ID downstream of the sensor. Select the pipe/hose ID according to the sensor dimensions. DATA SHEET | AIR INTAKE FLOW METER | LANGUAGE EN | VERSION 0.3 | RELEASED 2023.03.07

Air Intake Flow Meter Allengra GmbH, with headquarters in Germany and Romania, was established in 2005 and specializes in the design and production of standard or OEM ultrasonic flow sensors and control valves for liquids and gases, tailored to meet the specific needs of each end client application. Our company manages the entire development process, from concept to serial production, with various engineering departments and prototyping skills at our disposal. Die 2005 gegründete Allengra GmbH mit Sitz in Deutschland und Rumänien entwickelt und produziert sowohl Standard- als auch...