رفراكتومتر ضديخ مدل MA888 ساخت شركت ميلواكي مارتيني ايتاليا
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MA888 Digital Refractometer for Ethylene Glycol Measurements
The MA888 is an optical instrument that employs the measurement of the refractive index to determine the % volume and freezing point of ethylene glycol based coolants or antifreeze. The digital refractometer eliminates the uncertainty associated with mechanical refractometers and is easily portable for use in the field to optimize your cooling system.
The
MA888 refractometer is an optical device that is simple and quick to
use. Samples are measured after a simple user calibration with distilled
or deionized water. Within seconds, the refractive index and
temperature are measured and converted into one of two measurement
units; % Volume or Freezing Point. The instrument utilizes
internationally recognized references for unit conversion and
temperature compensation for ethylene glycol solutions (e.g. CRC
Handbook of Chemistry and Physics, 87th Edition).
The temperature (in °C or °F) is also displayed on the large dual level display along with helpful message codes.
Key features include:
• Waterproof models offers IP65 waterproof protection
• Automatic Temperature Compensation (ATC)
• Battery operation with Low Power indicator
• Automatically turns off after 3 minutes of non-use.
Place a few drops of the sample in the well and press the READ key.
Liquid Cristal Display (LCD)
Dual Level LCD with Primary and Secondary Display
SPECIFICATIONS | |
Range |
0 to 100% Volume |
Resolution |
0.1% Volume |
Accuracy | ±0.2% Volume ±0.5°C / ±1.0°F Freezing Point ±0.3°C / ±0.5°F |
Light Source | Yellow LED |
Measurements Time | Approximately 1.5 seconds |
Minimum Sample Volume | 100 µL (cover prism totally) |
Sample Cell | SS ring and flint glass prism |
Temperature Compensation | Automatic between 10 and 40°C / 50 to 104°F |
Case Material | ABS |
Enclosure Rating | IP 65 |
Battery Type | 1 x 9V AA (included) |
Battery Life | 5000 reading |
Auto-shut off | after 3 minutes of non-use |
Dimensions | 192 x 102 x 67 mm |
Weight | 420 g |