Xi'an Yunyi Instrument Co., Ltd
Xi'an Yunyiyibiao Instrument Co., Ltd. is a national high-tech enterprise, specializing in the R&D, production and sales of pressure transmitter,level meter, flow , temperature instrument and
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Flow Meter MF4000 MEMS Thermal Gas Mass Air Flow Meter Sensor
MF4000 series mass flow meters are designed for applications where manifold flow measurements. The standard flow channels are 3 mm and 8 mm in diameter, respectively. Plastic finishing with an easy change of the mechanical adaptors enables applications at a low cost and different environments. The meters can be used for process gas control, environmental samplers and many other industrial applications
| Parameter | MF4003 | MF4008 | Unit |
| DN | 3 | 8 | mm |
| Flowrate Range | 0 ~ 2, 3, 4, 5 0 ~ 10, 20, 30, 40, 50 | SLPM | |
| Turn-down | 100:1 | ||
| Accuracy | ± (1.5 + 0.2 FS) | % | |
| Repeatability | 0.25 | % | |
| Null Shift | ± 30 | mV | |
| output Shift | ± 0.12 | % /ºC | |
| Response Time | 10 (default, 10, 20, 50, 200, 500, 1000 selectable) | msec | |
| Power Supply | 8 ~ 24 Vdc, 50 mA | ||
| output | Linear: Analog 0.5 ~ 4.5 Vdc; RS232, RS485 | ||
| Display | 4 - digit, 7 - segment LED; 2 status LED | ||
| Units | 1nstant flowrate: SLPM; Flow accumulation: SL | ||
| Display Resolution | 0.001, 0.01, 0.1 selectable 0.01, 0.1 selectable | SLPM | |
| Pressure Drop | 100 600 | Pa | |
| Max. Pressure | 0.5 | MPa | |
| Working Temperature | -210 ~ +655 | ºC | |
| Storage Temperature | |||
| Humidity | < 95%RH (No icing or condensation) | ||
| Mechanical Connection | BSPT 1/4 (R 1/4), 4 mm / 6 mm / 8 mm one - touch BSPT 1/4 (R 1/4) | ||
| Keyboard | 3 Keys | ||
| Pins out | 5 Pins, NS-TECH CD R-5 | ||
| Calibration** | Air @ 20 ºC, 101.325 kPa | ||
| Weight | 55(with BSPT 1/4 (R 1/4)), 74(with 4 mm / 8 mm one-touch), 71(with 6 mm one-touch) | ||
1.Designed for low gas flow in fixed flow channel of 3mm and 8mm,with accumulated flow register
2.Compact design ready for manifold assembly
3.Fast response time for solutions of critical applications
4.Excellent for manifold process gas monitor and control
5.Exchangeable mechanical connectors for easy installation at different applications
6. Intrinsic safe enclosure
Environmental Monitoring
1.Aeration cable
2. Gas generated plasma monitor
3. Vacuum applications
4. Preservation of oxygen devices
5. Anesthesia
6. Ventilator
7. Ventilation equipment detection devices
8. Other industrial applications such as welding