MF4708-N3-50-AB-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) 15 |
| Mounting Orientation | Any (Recommended: Horizontal for optimal stability) |
- MF4708: Series code (3mm internal diameter, low-flow sensor).
- N3: Connection type (1/4" BSPT Threaded Port) 1819.
- 50: Full-scale flow rate (50 slpm).
- AB-A: Custom suffix (e.g., "AB" = Analog + RS485 output; "A" = calibration gas or material variant) 15.
- Optional Configurations:
- Gas Type: Specify via suffix (e.g., "B" for N₂O, "C" for CO₂) 15.
- Connector: Choose between threaded (N3) or quick-connect (O4/O6/O8) 15.
- Output Protocol: RS485, RS232, or analog-only (e.g., "AB" = analog + RS485) 15.
| Parameter | Details |
| Flow Range | 0–50 slpm (Standard; "50" in model indicates full-scale flow) |
| Accuracy | ±(1.5% of Reading + 0.2% of Full Scale) 15 |
| Repeatability | ±0.25% FS |
| Response Time | 10 ms (Default, adjustable up to 1000 ms via software) 111 |
| Pressure Rating | 0.5 MPa (72.5 psi) Maximum Operating Pressure 15 |
| Pressure Loss | ≤100 Pa at full flow 15 |
| 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) 111 |
| Power Supply | 8–24VDC (Typical: 24VDC, ≤50mA) |
| Connection Type | - N3: 1/4" BSPT Threaded Port (Standard) 1819
- Optional: 4mm/6mm/8mm Quick-Connect Fittings |
