MF4003-2-R-V-A Air Flow Sensor
- Sensing Technology:
- MEMS Thermal-D® Technology: Direct mass flow measurement without temperature/pressure compensation, ensuring high accuracy in low-flow applications .
- Design Advantages:
- Nano-Coated Sensor Surface: Resistant to oil, water, and fouling, enhancing long-term reliability .
- Wide Dynamic Range: 100:1 turndown ratio for precise measurement across varying flow rates .
- Flexible Configuration:
- User-Configurable Parameters: Flow units (slpm/sccm), response time, and output scaling via front-panel buttons or digital interface .
- Multi-Gas Support: Factory-calibrated for air; supports custom gas calibration (e.g., N₂, O₂) .
- Medical: Anesthesia machines, ventilators, and oxygen delivery systems .
- Industrial: Process control, gas mixing, and semiconductor manufacturing .
- Analytical Instruments: Gas chromatographs, environmental monitoring, and air samplers .
| Dimension |
Value (Approx.) |
| Body Length |
85 mm |
| Body Diameter |
38 mm |
| Weight |
55 g (with BSPT 1/4" connector); 74 g (with 4mm/8mm quick-connect) 2 |
| Mounting Orientation |
Any (Recommended: Horizontal for optimal stability) |
- MF4003: Series code (3mm internal diameter, low-flow sensor).
- 2: Full-scale flow rate (2 slpm).
- R: Connection type (1/4" BSPT Threaded Port).
- V: Output type (Analog + RS485/RS232) 14.
- A: Custom suffix (e.g., calibration gas or material variant).
- Optional Configurations:
- Gas Type: Specify via suffix (e.g., "B" for N₂O, "C" for CO₂) 1.
- Connector: Choose between threaded (R) or quick-connect (O4/O6/O8) 12.
- Output Protocol: RS485, RS232, or analog-only (e.g., "V" = analog + RS485) 4.
| Parameter |
Details |
| Flow Range |
0–2 slpm (Standard; "2" in model indicates full-scale flow) |
| Accuracy |
±(1.5% of Reading + 0.2% of Full Scale) 12 |
| Repeatability |
±0.25% FS |
| Response Time |
10 ms (Default, adjustable up to 1000 ms via software) 2 |
| Pressure Rating |
0.5 MPa (72.5 psi) Maximum Operating Pressure 12 |
| Pressure Loss |
≤100 Pa at full flow 2 |
| Operating Temperature |
-10°C to +55°C (-14°F to +131°F) |
| Storage Temperature |
-20°C to +65°C (-4°F to +149°F) |
| Output Signal |
- Analog: 0.5–4.5V DC (Linear) - Digital: RS485/RS232 (Modbus RTU) 124 |
| Power Supply |
8–24VDC (Typical: 24VDC, ≤50mA) |
| Connection Type |
- R: 1/4" BSPT Threaded Port (Standard) - Optional: 4mm/6mm/8mm Quick-Connect Fittings 12 |
| Calibration Gas |
Air (20°C, 101.325 kPa); Customizable for N₂, CO₂, etc. 2 |