Product Description: CMF9019 Maximum Flow Size Selection
The CMF9019 Maximum Flow Size Selection (SLPM)300,500,600,800,1000 is composed of a MEMS flow sensing unit and a high-precision digital processing and calibration circuit (MCU). The integrated Δ-δA/D converter, logic circuits with internal calibration functions, MCU processors, and display unit modules effectively collect sensing signals in real time, obtaining accurate flow signals, and processing corresponding compensation algorithms internally. This ensures high-precision flow output without any external calibration compensation. Users can easily obtain rich data information via digital communication. The product's applications are very broad.
Features:
- Versatile Output Methods: Data can be actively uploaded through the communication interface or queried by the upper machine, or the output interface can output a linear analog signal.
- LED Display: Displays instantaneous flow and cumulative flow, supporting on-site operation for flow meter settings.
- High Stability and Accuracy: Ensures excellent repeatability of measurements.
- Easy Installation: Thread connection method for ease of installation and use.
- High Sensitivity: Detects very small starting flow.
- Multi-Sensor Integration: Achieves a range ratio of 100:1 or higher on a single chip.
- High Impact Resistance: Good resistance to condensate.
- Thermal Mass Flow Measurement: Requires no temperature pressure compensation, ensuring high-precision metering.
- Quick Response and High Zero-Point Stability.
- Low Power Consumption and Low Pressure Loss.
Technical Parameters:
| Functional Item |
CMF9019 Communication Method RS485 MODBUS Medium Temperature -10-65℃ Ambient Temperature -25-85℃ |
| Norm |
CMF9019 |
| |
|
| Range Ratio |
100:1 |
| Power Supply |
7~24 VDC, 50mA (customizable) |
| Accuracy |
±1.5 %FS |
| Repeatability |
0.25 % |
| Response Time |
67 ms (default, customizable) |
| Maximum Pressure |
0.5 MPa (customizable up to 0.8 MPa) |
| Communication Method |
RS485 (MODBUS) |
| Output Method |
Analog output 1-5 VDC, 4-20mA (optional equipment) |
| Temperature |
Medium temperature (-10~65°C), Ambient temperature (-25~85°C) |
| Display Mode |
Instantaneous Flow: SLPM; Cumulative Flow: SL |
| Calibration Condition |
Air, 20°C, 101.325 kPa |
| Weights (kg) |
0.395 |
| |
|
| Operating Humidity |
<100% RH (no icing, no condensation) |
Differentiation:
- High Accuracy and Repeatability: Ensures precise and consistent measurements with ±1.5 %FS accuracy and 0.25 % repeatability.
- Customizable Response Time: The default is 67 ms, adjustable to meet specific needs.
- Robust Communication: Utilizes RS485 (MODBUS) for reliable data transmission.
- Versatile Output Methods: Supports both analog (1-5 VDC) and 4-20mA outputs, with customizable options.
- Wide Operating Conditions: Functions effectively across diverse temperature and humidity ranges.
- Real-Time and Cumulative Flow Display: Provides both instantaneous and cumulative flow readings.
- Easy Installation and High Sensitivity: Thread connection for easy installation, with high sensitivity for small starting flows.
The CMF9019 is designed for precision and reliability in various applications, making it a versatile choice for accurate flow measurement.
