Differential Pressure Flow Sensor

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General

[available since BMT Software version 0.229]

Read the section about Adding a new AddOn Device.

Each sensor needs to be licensed for usage with the software.

Software

Flow-sensor-measurement-bmt.png
Name Description
Start measurement Starts the sensor measurement
Calibration Sets the calibration media for the sensor
Sampling interval [ms] Setting the sample interval in milliseconds for the sensor measurement starting from 5 ms.

A fast sampling interval results in a high load of CPU and RAM and some computer reaches their capacity for drawing the values into the chart.

Functions Single measurement: reading a single flow measurement
Reset dP = 0: resetting differential pressure value
Reset: Clears the Zero-Point
Calibration Fluid density [mPad] and Fluid viscosity [kg/m3] for calibration of the liquid
Correction factor: Multiplier for flow correction factor
Min. flow rate [µl/s]: Minimum flow rate threshold
Chart The chart only works with a sampling interval starting from 10ms.

A fast sampling interval results in a high load of CPU and RAM and some computer reaches their capacity.

Flow Showing the last measured flow value
Temperature Showing the last measured temperature value (unsing read button)
Pressure Showing the last measured pressure values in mbar (unsing read button)
Flow per minute According to the interval selected the value, shown is the flow rate during the interval calculated by the measurement values from the software.
Scale chart for flow The maximum and minimum chart values can be set to the sensor max. value (no selection) or can be scaled to the max. and min. measured values (selected).
Table The measured flow values will be logged in the table.

This function is only available starting from 100 ms sampling interval time to reduce CPU and RAM load.