The OEM-Flow A-F module has been designed for measuring the breathing gas flow in respiratory and anaesthesia machines. It works with state-of-the-art hot-wire flow sensors.
The flow sensor is controlled with a precision driving circuit.
The module is small-sized and works in a wide range of supply voltages.
An RS232 interface is used to interchange the data with the host system.
The board has an ADC resolution of 12-bit and a sampling rate of up to 500 samples/sec.
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| Measuring principle |
Contant temperature mode |
| Probe input |
1 x Hot-wire flow sensor |
| Measuring range |
According to the sensor specification |
| Accuracy |
+/- 5% in the range of 10 - 100 l/min (board only) |
| Supply voltage |
5V DC; other voltages on request |
| Current consumption |
Depending on gas flow |
| Data interface |
RS232 |
| Dimension |
Approximately 38 x 41 x 15mm |
| Weight |
Approximately 10g |
