1. Introduction
The A&D MX50 Moisture Analyzer is a precision instrument designed for accurate and rapid determination of moisture content in various materials. Utilizing a halogen lamp heating system, it provides efficient drying and reliable measurements. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your MX50 Moisture Analyzer.
2. Safety Information
Please read all safety instructions carefully before operating the A&D MX50 Moisture Analyzer to prevent injury and ensure proper device function.
- Heat Hazard: The heating unit operates at high temperatures. Avoid touching the heating unit or sample pan during and immediately after operation. Allow the unit to cool completely before handling.
- Flammable Materials: Do not use the analyzer with highly flammable or explosive materials. Ensure adequate ventilation when testing samples that may release flammable vapors.
- Electrical Safety: Connect the analyzer to a grounded power outlet. Do not operate with damaged power cords or plugs. Avoid spilling liquids onto the unit.
- Ventilation: Ensure the analyzer is placed in a well-ventilated area to dissipate heat and vapors.
- Stable Surface: Place the analyzer on a stable, level surface to ensure accurate weighing and safe operation.
- Authorized Personnel: Only trained personnel should operate and maintain this equipment.
3. Components and Controls
Familiarize yourself with the main components and control panel of the A&D MX50 Moisture Analyzer.

Figure 1: A&D MX50 Moisture Analyzer. This image displays the front and top view of the moisture analyzer, showing the heating unit, sample chamber, and control panel with display and buttons.
Key Components:
- Heating Unit: Contains the halogen lamp for sample drying.
- Sample Pan: Where the sample is placed for analysis.
- Display Panel: Shows measurement results, temperature, time, and other operational data.
- Control Buttons: Used for setting parameters, starting/stopping tests, and navigating menus. (e.g., PROGRAM, PRECISION, SELECT, ENTER, START, RESET).
- Draft Shield: Protects the sample from external air currents during weighing.
4. Setup
Follow these steps for the initial setup of your MX50 Moisture Analyzer.
- Unpacking: Carefully remove the analyzer from its packaging. Retain all packaging materials for future transport or storage.
- Placement: Place the analyzer on a firm, level, and vibration-free surface away from direct sunlight, drafts, and heat sources. Ensure sufficient space around the unit for ventilation.
- Power Connection: Connect the power cord to the analyzer and then to a grounded electrical outlet.
- Assembly: Install the sample pan and pan handler according to the diagrams in the full user manual. Ensure they are clean and properly seated.
- Initial Power On: Turn on the analyzer using the power switch. Allow a warm-up period of at least 30 minutes for stable operation.
5. Operating Instructions
This section outlines the basic steps for performing a moisture analysis.
5.1. Sample Preparation
- Ensure the sample is representative of the material to be tested.
- Prepare the sample to a suitable size and thickness for even drying.
- Use a clean, dry sample pan.
5.2. Performing a Measurement
- Zeroing: With an empty, clean sample pan in place, close the heating unit and press the RESET button to zero the balance.
- Placing Sample: Open the heating unit, carefully place the prepared sample evenly on the sample pan. Close the heating unit.
- Setting Parameters: Use the PROGRAM or SELECT buttons to choose the desired drying program (e.g., standard, rapid, slow) and set the drying temperature (50-200°C) and time, if applicable. Refer to the full manual for specific program details.
- Starting Analysis: Press the START button to begin the drying process. The display will show the current weight, temperature, and elapsed time, along with the calculated moisture content.
- Completion: The analyzer will automatically stop when the moisture content stabilizes or the set time expires. The final moisture content will be displayed.
- Removing Sample: Carefully open the heating unit and remove the hot sample pan using the pan handler. Allow the unit to cool before the next measurement.
6. Maintenance
Regular maintenance ensures the longevity and accuracy of your MX50 Moisture Analyzer.
- Cleaning:
- Always disconnect the power cord before cleaning.
- Allow the heating unit to cool completely.
- Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Clean the sample pan and pan handler after each use.
- Carefully clean the inside of the heating chamber, ensuring no residue affects the heating element or sensor.
- Calibration: The MX50 features external/certified temperature calibration. Regular calibration with certified weights and temperature standards is recommended to maintain accuracy. Refer to the full manual for detailed calibration procedures.
- Lamp Replacement: The halogen lamp has a lifespan of approximately 5000 hours. Refer to the full manual for instructions on safe lamp replacement.
7. Troubleshooting
This section addresses common issues you might encounter with your MX50 Moisture Analyzer.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord disconnected; power outlet fault | Check power cord connection; test power outlet |
| Inaccurate readings | Unit not level; drafts; dirty pan; needs calibration | Ensure level placement; eliminate drafts; clean pan; perform calibration |
| Heating unit not working | Halogen lamp faulty; temperature setting incorrect | Check lamp; verify temperature settings; consult service if lamp is fine |
| Error message on display | Specific error condition | Refer to the full user manual for specific error code explanations and solutions. |
For issues not covered here, please consult the comprehensive user manual or contact A&D Company customer support.
8. Specifications
Technical specifications for the A&D MX50 Moisture Analyzer.
| Feature | Detail |
|---|---|
| Model | MX50 |
| Capacity | 51g |
| Readability | 0.001g |
| Resolution | 0.01% / 0.1% |
| Repeatability (>1/5g) | 0.1% / 0.02% |
| Heating Technology | Halogen lamp (Straight type, 400 Watt max, 5000 hours) |
| Calibration | External/Certified Temperature Calibrator |
| Drying Temperature (1°C increments) | 50-200°C |
| Weighing Pan Dimensions | Ø 85mm |
| Product Dimensions | 215 x 325 x 173mm |
| Item Weight | Approximately 0.01 ounces (Note: This weight seems unusually low for a lab instrument and may refer to shipping weight or a component. Refer to official documentation for precise unit weight.) |
| Display Type | LED or LCD |
| Recommended Uses | Food, Herbs, Baby Powder, Animals, Pets, Pharmaceuticals |
9. Warranty and Support
For detailed warranty information, please refer to the warranty card included with your product or visit the official A&D Company website. For technical support, service, or spare parts, please contact your authorized A&D distributor or A&D Company customer service.
Manufacturer: A & D
Date First Available: September 24, 2012





