The OEM module Flow-H is designed to work with flow-pressure transducers (flow to differential pressure) like our DP Flow sensors. It can be used to measure the breathing gas flow in respiratory machines.
The module is supplying a differential pressure value, which can be used to calculate a corresponding flow value using the characteristic curve of the flow transducer. Moreover, the module delivers a flow value based on a standard curve for DP Flow transducers. The measurement is performed with a high-precision pressure sensor giving a temperature-compensated signal.
The unit is equipped with a microvalve for zero offset measurement of the pressure sensor. This feature is working even during gas flow through the flow transducer and without leakage to the ambience.
REF: 016-00003
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Supply Voltage
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5V DC +/-5%; other voltages on request |
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Current Consumption
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< 15 mA (normal operation)
< 150 mA (zero offset measurement, valve active)
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Interface
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Module
RS232 with level converter (EIA/TIA compatible)
Data rate : 19200 Baud
Data bit : 8
Stop bit: 1
Parity: None
Handshake: none
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AD conversion
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Resolution: 12 bit
Conversion time: approximately 10 ms
Maximum data rate: 100 samples per second
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