Milwaukee MA888 Digital Ethylene Glycol Refractometer

SKU: MA888
Range: 0 to 100% Volume | Freezing Point 0 to -50°C (32 to -58°F) | Temperature 0 to 80°C ( 32 to 176°F)
Resolution: 0.1% Volume | Freezing Point 0.1°C (0.1°F) | Temperature 0.1°C (0.1°F)
Accuracy: ±0.2% Volume | Freezing Point ±0.5°C (±1°F) | Temperature ±0.3°C | ±0.5°F
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Thousands of cooling tower and recycle professionals from boiling towers to antifreeze recycling move to the digital MA888 Digital Ethylene Glycol meter for measurement of the refractive index to determine the % volume and freezing point of ethylene glycol based coolants or antifreeze, from less precise optical refractometers.


"Using this for my anti-freeze recycling business has saved me time and money."
"I am in love with this instrument. No more large samples. No more phony readings from badly made refractometers."
"Dramatically improved my commercial cooling tower evaluation times."
 "I found the refractometer was much easier to use than I thought."


The Milwaukee digital Ethylene and Glycol refractometer is temperature compensated with a 0 to 100 % volume / 0 to -50°C (32 to -58°F) freezing point / Temperature 0 to 80°C (32 to 176°F) range and +/- 0.2 volume / +/-0.5°C (+/-1°F) freezing point accuracy. It is easy to use with simple two button operation and fast with a response time under 2 seconds. Maintenance is a breeze also with an easy-to-clean sealed flint glass prism and stainless steel well. The MA888 eliminates the uncertainty of optical refractometers by providing and accurate digital readout.


  • Fast, accurate results with digital dual level LCD readout.
  • Easy measurement with just 2-3 drops of sample needed and results less than 2 seconds.
  • Simple one-point calibration using distilled or deionized water.
  • Easy to clean, stainless steel sample well with unit rated to IP65 as "dust tight" and protected against water jets.
  • Battery percent level indicator with automatic shut-off (batteries included).
  • Ideal for winemakers, brewers, syrup producers, food producers and many other applications.
  • 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).
Thank you for considering Milwaukee to help you take your results to the next level.


Range: 0 to 100% Volume | Freezing Point 0 to -50°C (32 to -58°F) | Temperature 0 to 80°C / 32 to 176°F
Resolution: 0.1% Volume | Freezing Point 0.1°C (0.1°F) | Temperature 0.1°C / 0.1°F
Accuracy: ±0.2% Volume | Freezing Point ±0.5°C (±1°F) | Temperature ±0.3°C / ±0.5°F
Light Source: Yellow LED
Measurement Time: Approximately 1.5 seconds
Minimum Sample: Volume 100 µL or 2 metrics drops (cover prism totally)
Sample Cell: Stainless steel ring and flint glass prism
Temperature Compensation: Automatic between 0 and 40°C / 32 to 104°F
Enclosure rating: IP65
Case Material: ABS
Battery Type: 1 x 9V AA (included)
Battery Life: 5000 hours reading with auto-shut off after 3 minutes of non-use
Dimensions Meter: 7.6 x 4.0 x 2.64 inches (192 x 102 x 67 mm)
Weight Meter: .93 lbs. (0.42 kg)
Dimensions Package: 11 x 6.8 x 4.60 inches (268 x 172 x 118 mm)
Weight Packaged: 1.46 lbs. (0.66 kg)

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