Product Group Specifications
Instruction Manual
Instruction Manual
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MA871 Digital Brix Refractometer
MA871-BOX Digital Brix Refractometer

The MA871 is an optical instrument that employs the measurement of refractive index to determine the % Brix of sugar in aqueous solutions. The method is both simple and quick.
Samples are measured after a simple user calibration with steam distilled water (starter bottle provided with your unit).
Within seconds the instrument measures the refractive index of the sample and converts it to % Brix concentration units.

The MA871 digital refractometer eliminates the uncertainity associated with mechanical refractometers and is easily portable for measurements in the field.

The measurement technique and temperature compensation employ methodology recommended in the ICUMSA Methods Book (Internationally recognized body for Sugar Analysis).
Temperature (in °C or °F) is displayed simultaneously with the measurement on the large dual level display along with icons for Low Power and other helpful message codes.

Key features include:
• Dual-level LCD
• Automatic Temperature Compensation (ATC)
• Easy setup and storage
• Battery operation with Low Power indicator (BEPS)
• Automatically turns off after 3 minutes of non-use.

MA800
Hard carrying case (BOX models only)

Stainless Steel Sample Well and Prism
Conductivity readings are performed by applying an alternate current to the 4-ring probe which creates a variable voltage depending on the conductivity.

Liquid Cristal Display (LCD)
Dual Level LCD with Primary and Secondary Display

SPECIFICATIONS
Range 0 to 85% Brix
0 to 80°C / 32 to 175°F
Resolution

0.1% Brix
0.1°C / 0.1°F

Accuracy ±0.2% Brix
±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


ACCESSORIES
Mi0005 9V battery (1 pc)
MA800 hard carrying case
ORDERING INFORMATION
MA871 instrument is supplied with:
• 9 V battery;
• Instruction manual.