SFM4300 Flow Sensors
Sensirion's flow sensors are calibrated for O2, Air, N2O, CO2, and mixtures
Sensirion's SFM4300 flow meter is ideal for gas-mixing applications. In a compact form-factor, it offers outstanding accuracy and pressure robustness. Integrated CMOSens® technology offers gas-mixture outputs and high performance down to the smallest flows. Factory calibrations for standard gases and smart mixing options allow for easy integration and faster development time. Several options for fittings and a compact form-factor support typical medical and industrial applications with compact designs.
- Flow range: 20 slm or 50 slm
- Calibrated for O2, Air, N2O, CO2, and mixtures
- Very low noise
- Excellent repeatability
- Pressure resistant
- I2C interface
- Small size
- Several fitting options
- High reliability and long-term stability
- Best signal-to-noise ratio
- Industry-proven technology with a track record of more than 15 years
- Designed for mass production
- High process capability
- Scalability
- Medical gas mixings such as in anesthesia or vaporizers
- Industrial gas mixings such as in welding applications or gas purging
SFM4300 Flow Sensors
| Image | Manufacturer Part Number | Description | Flow Sensor Type | Switch Function/Rating | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|
![]() | ![]() | SFM4300-20-P | SENSOR FLOW AIR/GAS 0~20 SLPM | Air, Gas | I2C | 9 - Immediate | $214,687.00 | View Details |
![]() | ![]() | SFM4300-20-O | SENSOR FLOW AIR/GAS 0~20 SLPM | Air, Gas | I2C | 51 - Immediate | $214,687.00 | View Details |
![]() | ![]() | SFM4300-20-B | SENSOR FLOW AIR/GAS 0~20 SLPM | Air, Gas | I2C | 51 - Immediate | $214,687.00 | View Details |
![]() | ![]() | SFM4300-50-P | SENSOR FLOW AIR/GAS 0 ~ 50 SLPM | Air, Gas | I2C | 82 - Immediate | $214,687.00 | View Details |
![]() | ![]() | SFM4300-50-O | SENSOR FLOW AIR/GAS 0 ~ 50 SLPM | Air, Gas | I2C | 52 - Immediate | $214,687.00 | View Details |
![]() | ![]() | SFM4300-50-B | SENSOR FLOW AIR/GAS 0 ~ 50 SLPM | Air, Gas | I2C | 48 - Immediate | $214,687.00 | View Details |
Evaluation Kit
| Image | Manufacturer Part Number | Description | Sensing Range | Interface | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|
![]() | ![]() | SEK-SFM4300-20-P | EVAL KIT FOR SFM4300 SERIES | 0slm ~ 20slm | I2C, Serial | 26 - Immediate | $204,818.00 | View Details |







