ATAGO COFFEE TDS REFRACTOMETER  
NEWLY DEVELOPED COFFEE CALIBRATIONS
QTY           REF#                     DESCRIPTION
​678 4532       ATAGO PAL COFFEE REFRACTOMETER    FOR BRIX / TDS MEASUREMENT
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 2003 “Good Design Award”
 2004 “Venture Technology Awards (Excellence)”
 2005 “Technology for Food Industry Award”
ATAGO POCKET BARISTA
The PAL-COFFEE is capable of measurements at a high resolution (RES). 

The 0.01% resolution allows for precise management of even the slightest variations in tea or coffee concentration. The unit is capable of automatically detecting temperature stability, which allows for stable, consistent measurements even at high temperatures—such as when measuring hot, freshly brewed coffee.
SPECIFICATIONS:

Model PAL-Tea Cat.No. 678 4532

Measurement Range Brix : 0.00 to 25.00%

Temperature : 10.0 to 100℃ Resolution Brix : 0.01%

Temperature : 0.1℃

Measurement Accuracy Brix : ±0.10%    TDS  ±0.10% 

Temperature : ±1℃ Power Supply Two (2) AAA alkaline batteries

Temperature Compensation Range 10 to 100℃

Ambient Temperature 10 to 40℃

Sample Volume At least 0.3 ml

Measurement Time Approx. 5 seconds
 (120 seconds of continuous measurement)

Power Supply Two (2) AAA alkaline batteries

International Protection Class IP65 
Dust-tight and Protected against water jets

Dimensions & weight 55 mm (W) × 31 mm (D) × 109 mm (H)                                          WEIGHT 100g
​APPLICATION SPECIFIC CALIBRATIONS
Refractometers are used in many industries to measure concentrations of various substances.
Examples are:         

PLOTTING A CORRELATION SCALE
(WORKS ON  ALL MODELS)

Just like any other indirect method correlation, a number of raw data readings from samples with different concentrations of a substance need to be collected (BRIX Values), along with the corresponding direct method data with concentration measurements.

For tea and coffee, the measurement of total dissolved solids (TDS) is obtained easily with the use of a moisture balance 

The moisture balance is used to evaporate the moisture from a sample, and weigh it simultaneously in real time. The rate of drying
​is constant, until all surface moisture has evaporated. 

The moisture balance senses the change in the rate of drying, and automatically shuts off, giving a percentage of moisture reading, the inverse of which is the amount of remaining solids.
The brix measurements from the refractometer, and the corresponding TDS Measurements from the moisture balance, are then plotted on an Excel Spreadsheet
Using the chart function in Excel, a formula may be obtained from the data points, and applied to 
any other values going forward. The more data points, the more robust the formula will be.


BROCHURE
PRODUCT CATALOGUE
SAMPLER CATALOGUE
FOR THE ANALYSIS OF COFFEE, TEA, COCOA, AND RELATED PRODUCTS
SAME AS BILL TO