Maximum Ratings
- Operating Temperature: -25°C to 85°C
- Storage Temperature: -40°C to 90°C
- Humidity: 0-100% RH
- Impact Resistance: Up to 100g
Note: The sensor is resistant to condensate.
Product Overview
The CAFS4000 Series Mass Flow Sensors offer a robust solution for high-precision gas flow measurement across various applications, including medical, industrial, and environmental monitoring. This series features a wide flow range, exceptional accuracy, and long-term stability, making it ideal for demanding measurement tasks.
Product Features
Wide Flow Range
- 0-400 SLPM, accommodating a variety of applications from low to high flow rates.
High Precision
- Achieves ±1.5% FS accuracy, ensuring reliable and accurate measurements.
Linear Output and Temperature Compensation
- Provides linear output with built-in temperature compensation, facilitating straightforward integration and consistent performance across varying temperatures.
Long-term Stability
- Maintains minimal zero-drift over time, ensuring consistent accuracy and reliability.
Durable Solid-State Sensing Core
- Features a solid-state sensing core with no surface cavities or fragile films, offering excellent resistance to blockage and pressure impact.
Output Options
- Available with analog output (1 to 5 V) and I2C output, providing flexibility for different integration needs.
Fast Response Time
- Boasts a 20 ms response time, enabling quick detection and response to changes in flow conditions.
Product Applications
The CAFS4000 Series is suitable for a wide range of applications, including:
- Respiratory Equipment: Breathing machines, oxygen concentrators, anti-asphyxiation masks, respirators, and CPAP devices.
- Medical Devices: Anatomy anesthesia delivery systems.
- Industrial Equipment: Leak detection systems, mass flow controllers, and environmental/climate control systems.
- Scientific Instruments: Spectrographs and fuel cell control systems.
Electrical Characteristics
- Test Conditions: VIN=12±0.01VDC, Ta=25°C, Relative Humidity: 40% < RH < 60%
- Supply Voltage Range: 8 to 24 VDC
- Supply Current: 20 mA
- Analog Voltage Output: 1 to 5 VDC
- Zero Point Voltage: 0.95 to 1.05 VDC
- Zero Drift: 0.2% FS
- Resolution: 0.1% FS
- Load: 100 KΩ
- Response Time: 1 to 3 ms
Flow Range Specifications
| Model |
Flow Range (SLM) |
Maximum Flow Rate (m/s) |
| CAFS4003V |
0-12 |
0.527 |
| CAFS4004V |
0-20 |
0.877 |
| CAFS4005V |
0-35 |
1.535 |
| CAFS4100V |
0-50 |
2.193 |
| CAFS4101V |
0-100 |
4.387 |
| CAFS4102V |
0-150 |
6.580 |
| CAFS4103V |
0-200 |
8.773 |
| CAFS4104V |
0-300 |
13.160 |
Material Composition
- Sensor Materials: Silicon carbide, epoxy, PS, FR4, and silicon as sealant.
