The Siargo MF5806E1 is a medical oxygen flow meter enabled with IoT (LoRaWAN) technology, designed for hospital and homecare oxygen therapy applications. It provides precise and reliable measurement of oxygen flow, with features for remote data access and control.
Function Description
The MF5806E1 is a micro-electro-mechanical systems (MEMS) based thermal calorimetric sensing technology flow meter. It measures oxygen flow by detecting the heat transfer from a heated element to the flowing fluid. This method ensures high accuracy and fast response times. The device is designed to be user-friendly, with a clear LCD display for real-time flow readings and an intuitive menu system for configuration and control.
The LoRaWAN wireless connectivity allows for remote monitoring and management of oxygen therapy. This means that medical professionals or caregivers can access real-time flow data and adjust settings from a distance, enhancing patient safety and convenience. The device supports both instantaneous and accumulated/totalized flow readings, providing comprehensive data for therapy management.
The flow meter is powered by 4-AA rechargeable batteries, offering portability and flexibility in various settings. It can also be powered by an external DC power supply via a Type-C USB port. The device is designed for easy integration into existing medical systems through its RS485 Modbus communication protocol.
Important Technical Specifications
- Flow range: 0.3 – 15 L/min
- Accuracy: ±3.0 %FS
- Repeatability: 0.5 %FS
- Response time: <2.0 (on battery) sec
- Power supply: 4-AA rechargeable batteries / 8-24 Vdc
- Digital output: RS485 Modbus
- Wireless output: LoRaWAN
- Display: LCD
- Flow resolution: 0.01 L/min (instant) / 0.001 m³ (accumulated)
- Timer resolution: 1 min
- Working temperature: -5 ~ +55 °C
- Storage temperature: -20 ~ 70 °C
- Maximum pressure: 0.5 MPa
- Humidity: <95%RH, no condensation
- Maximum overflow: 50 L/min
- Maximum flow change: 15 L/min/sec
- Pressure loss: 0.5 kPa
- Power consumption: >60 (on batteries) day
- Reference conditions: 20°C, 101.325 kPa, air
- Power / data interface: USB Type-C
- Mechanical connection: DISS or customer specified
- Fluid compatibility: Oxygen
- Protection: IP50
- CE certification: EN61326-1; -2; -3
The device features a durable construction with an IP50 protection rating, making it suitable for medical environments. Its wide operating temperature and humidity ranges ensure reliable performance under various conditions.
Usage Features
The MF5806E1 offers several user-friendly features:
- LCD Display: The LCD displays both instantaneous flow (L/min) and accumulated flow (m³). It also shows battery status, alarm indicators, and LoRaWAN wireless status.
- Menu System: A 3-key front board (Up, MENU, Down) allows users to navigate the menu, select functions, access data, and check status.
- Password Protection: The device includes a password-protected menu for sensitive settings, ensuring unauthorized changes are prevented.
- Alarm Functions: Users can set upper and lower instant flow rate limits, triggering an alarm if the flow falls outside the specified range.
- Accumulated Flow and Totalizer Reset: The accumulated flow and totalizer can be reset through the menu, allowing for tracking of oxygen consumption over specific periods.
- Response Time Adjustment: The response time of the meter can be adjusted to suit different application requirements.
- Display Mode Selection: Users can switch between different display modes, including instantaneous flow, accumulated flow, and therapy time.
- Sleeping Mode: The device automatically enters a sleeping mode after a period of inactivity to conserve battery power. It can be woken up by pressing any of the three keys.
- Modbus Communication: The RS485 Modbus protocol enables seamless integration with other systems for data exchange and control.
- LoRaWAN Connectivity: Provides long-range, low-power wireless communication for remote monitoring and control, enhancing flexibility in patient care.
- Easy Installation: The device is designed for straightforward installation, with clear instructions provided for connecting power, data cables, and oxygen supply.
Maintenance Features
The MF5806E1 is designed for minimal maintenance, but certain aspects are important for ensuring its longevity and accurate performance:
- Check Leakage: Regular checks for gas leakage are crucial to ensure safety and accuracy.
- Battery Management: The device uses 4-AA rechargeable batteries. Users should ensure batteries are properly installed and replaced when necessary. The battery status is displayed on the LCD.
- Offset Calibration: The offset can be reset or calibrated through the menu to maintain accuracy over time.
- Reset Timer: The accumulated therapy time/duration can be reset.
- Write Protection: Certain parameters can be write-protected to prevent accidental or unauthorized changes. However, it's important to note that Address and Baud rate cannot be write-protected.
- Cleaning: The product should be kept clean from particles or other foreign materials to ensure optimal performance.
- Troubleshooting: The manual provides a troubleshooting guide for common issues such as power connection, cable connection, flow or clogging problems, sensor failure, and wireless connectivity issues.
- Warranty and Liability: Siargo provides a warranty for 180 days for OEM products and 365 days for non-OEM products, covering defects in materials and workmanship. The warranty does not cover damages from chemical attacks, misuse, or unauthorized modifications.
Overall, the Siargo MF5806E1 medical oxygen flow meter combines advanced sensing technology with IoT capabilities to provide a reliable, accurate, and user-friendly solution for oxygen therapy management in various medical settings.
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