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Help CenterGFS131 INSTOCK 200 SLM 0.5-4.5v Output Bipap Ventilator Flow Sensor
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GFS131 INSTOCK 200 SLM 0.5-4.5v Output Bipap Ventilator Flow Sensor
Main Applications :Intensive care ventilator / Portable ventilator
Features
1.Latest MEMS Sensor chip technology
2.High accuracy, quick response, good repeatability
3.Detection micro flow accurately
4.It is calibrated completely and temperature compensated
| Model | GFS131 | |||
| Measuring Range | 100, 150, 200, 300SLM | |||
| Min | Typical | Max | Unit | |
| Full Scale Output | 4.34 | 4.50 | 4.66 | V |
| Zero Output | 0.45 | 0.5 | 0.55 | V |
| Output Impedance | - | 1000 | - | Ω |
| Working Voltage | 4.95 | 5.0 | 14.0 | V |
| Working Current | - | 25 | - | mA |
| Accuracy | - | ±2.5 | ±4 | %F.S |
| Repeatability | - | ±0.5 | ±1 | %F.S |
| Output Drift | - | 0.12 | - | %/℃ |
| Signal noise | - | 10 | - | mV(Vrms) |
| Resistance | - | 120 | - | Pa/60SLM |
| Power consumption | - | 125 | - | mW/5V |
| Working pressure | - | - | 100 | kPa |
| Response Time | - | 50 | - | ms |
| Working Temp | -25 | 65 | ℃ | |
| Storage Temp. | -40 | 90 | ℃ | |
| pin | Function |
| 1(black or gray) | GND |
| 2(red) | VCC |
| 3(yellow) | OUT |
Actual flow=full scale * (sensor actual output voltage-zero output voltage) / (full scale output voltage-zero output voltage) For example: the sensor full scale is 200 SLM, the sensor zero output voltage is 0.5V and full scale output voltage is 4.5V, and the actual output is 3.5V. Then the actual flow=200 SLM * (3.5V – 0.5V)/(4.5V- 0.5V) = 150SLM
1. The air inlet and air outlet of the sensor need to be equipped with long straight pipe to ensure the product’s performance. It is recommended to leave a straight pipe for the inlet with 10 times longer than the pipe diameter while the outlet will be 5 times longer.
2. If measured gas medium contains dirt, the sensor’s lifespan will be shortened. We suggest users equip the sensor flow inlet with 5 micrometer precise filter.
3. The sensitivity of the product will reduce or be damaged if it contacts to water.
4. The wrong connecting of power supply will damage the internal circuit.
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