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General| Model | MR850 |
|---|---|
| Category | Humidifier |
| Type | Heated Humidifier |
| Power Supply | 100-240 V AC, 50/60 Hz |
| Operating Modes | Invasive and Non-invasive |
| Temperature Range | 31°C to 37°C |
| Chamber Type | Reusable or Disposable |
| Humidity Output | Up to 44 mg/L |
| Operating Temperature Range | 10°C - 40°C (50°F - 104°F) |
| Operating Humidity Range | 15% - 95% RH (non-condensing) |
| Compatibility | Compatible with various breathing circuits |
Manual's purpose, scope, and usage guidelines for qualified service personnel.
Defines key terms, acronyms, and notations like NOTE, CAUTION, and WARNING used in the manual.
Describes the intended use of the MR850 humidifier in hospital intensive care units.
Details physical dimensions, weight, voltage, current, and power ratings of the MR850.
Specifies temperature set points for invasive and non-invasive modes across software versions.
Outlines performance metrics like flow rate, humidity output, and operating pressure.
Defines transport/storage conditions and lists relevant safety and regulatory standards.
Explains heater wire, non-heater wire, stand-by, power up sequence, and HC modes.
Details the function of the power, mode, and mute buttons on the front panel.
Explains how temperatures are displayed and the function of setup indicators.
Lists and explains temperature, water out, and other operational alarms.
Addresses faults causing alarms due to incorrect setup or faulty accessories.
Covers malfunctions that occur without audible alarms, like power issues.
Explains error codes displayed with the "See Manual" indicator.
Details how to access and use the diagnostic menu for various software versions.
Outlines safety precautions and general advice before performing servicing.
Covers opening the case, replacing fuses, PCBs, transformer, and heater plate.
Guides for updating software using ROM chips and replacing the mains cable.
Instructions for reassembling the humidifier after servicing, including performance tests.
Outlines tests for checking humidifier operation and calibration after maintenance or servicing.
Tests the accuracy of the temperature/flow probe for both temperature and flow measurements.
Checklist for annual visual, performance, and electrical safety checks of the humidifier.
Checklist for semi-annual visual and performance checks of the probes.
Introduces the View850 software for data display and logging via serial port.
Steps for installing the View850 software from the MR850 Technical CD.
Instructions for using View850 to view humidifier data and log it to a file.
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