SPECIFICATIONS:
RI Range: 1.3330 - 1.4465
TDS Range: 0.00 - 9.99 %
Accuracy: Typical +/- 0.06 % TDS
Warranted +/- 0.12 % TDS
+/- 0.0002 nD
Resolution: 0.01 % TDS
0.0001 nD, 0.1ºC
ATC: 20 Deg C for TDS, 15-30 Deg C
Calibration: Distilled Water
Prism: Glass
Illumination: 589nm LED
Dimensions: 54 x 27 x 100 mm / 2.13 x 1.06 x 3.9 inches
Power: Qty 2 - AAA Batteries, included
Battery life: 10,000 readings, Auto Off Sleep Mode
Ratings: IP65 Dustproof/Water Resistant, CE, RoHS, and
WEEE compliant.
Reading % TDS = Percent Total Dissolved Solids coffee.
Modes: TC-nD = Refractive index temperature corrected
to 20 degrees C.
nD = Refractive index and Temperature
Warranty: One year against manufacturing defects. Evidence
of tampering voids warranty. Contact VST directly
for warranty service.
This instrument is distributed exclusively by:
VST inc
www.mojotogo.us
support@mojotogo.us
13940010-101 REV D
ERROR CODES:
Err01 - No sample present. Add sample.
Err02 - Inadequate sample. Add additional sample.
Err03 - Sample exceeds the refractive index reading range.
Err04 - Sample temperature has not equilibrated. Allow more time for
temperature equilibration.
Err05 - Excessive ambient light. Cover sample well when reading.
Err06 - Excessive ambient light. Cover sample well when reading.
Err07 - Positive calibration error. Re-calibrate with distilled water.
Err08 - Negative calibration error. Re-calibrate with distilled water.
Err09 - Poor sample condition. Sample may not be able to be read.
Err10 - Index of sample is out of range of instrument.
Err5X - For any errors in this series contact VST Inc for technical
assistance.
SAMPLE METHOD:
Brew batch and stir. Draw a 4-5 mL sample. Transfer to cooling glass.
Allow 1 minute for sample
to cool.
Transfer cooled sample to
refractometer sample well.
Wait 30 seconds for
sample to equibrilate, then
press Read to take a %
TDS measurement.
MEASUREMENT METHOD:
Press Mode to change
measurement scale to nD.
Press Read for native mode
measurement as shown:
1.3354 nD at 19.8ºC.
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