Page 1
Protimeter Calibration Data
Amphenol
Advanced Sensors
PROTIMETER
How to use this chart: This chart can be used to measure the moisture level of the listed crops in conjunction with Protimeter Compressor/Grinder
grain moisture instruments having a 0-100 Reference Scale or the Protimeter Ground Wheat Calibration (ISO 712 equivalent). Convert the sample
reference reading to a moisture level by looking up or down the column until intersection is made with the row of the crop under test.
Example: Assume that the crop under test is linseed with a 0-100 scale reading of 42 (or a wheat scale rea ding of 17.3 ). Then, the actual moistur e level
obtained from the chart is 11.1%, ± the working tolerance.
CROP % MOISTURE LEVEL
SCALE 0-100 5 10 14 17 20 23 27 30 33 37 39 42 47 52 60 67 73 78 84
Barley/Oats Ground 10.9 11.8 12.3 12.8 13.3 13.8 14.3 14.8 15.4 16.0 16.7 17.2 18.2 19.2 20.8 22.6 24.5 26.7 29.3
Barley/Oats Whole 12.9 13.5 13.9 14.4 14.8 15.3 15.8 16.5 17.1 17.8 18.4 19.0 20.2 21.4 23.5 26.0 28.5 31.0
Beans/Tic/Winter Ground 12.4 13.4 13.7 13.9 14.1 14.5 15.0 15.4 16.0 16.5 16.9 17.3 17.9 18.6 19.7 20.9 22.1 23.4 25.0
Brassicas Ground/Whole 7.3 7.9 8.2 8.5 8.8 9.1 9.3 9.5 9.8 10.0 10.3 10.5 11.0 11.4 12.3
Brussels Sprouts Ground/Whole 7.3 7.9 8.2 8.5 8.8 9.1 9.3 9.5 9.8 10.0 10.3 10.5 11.0 11.4 12.3
Buckwheat Ground 12.1 12.8 13.4 13.8 14.2 14.6 15.1 15.6 16.2 16.8 17.3 17.8 18.9 19.9 21.6 23.5 25.6 27.5 29.6
Cabbage Seed Ground/Whole 7.3 7.9 8.2 8.5 8.8 9.1 9.3 9.5 9.8 10.0 10.3 10.5 11.0 11.4 12.3
Clover/Red Lucerne Seed Whole 9.1 9.9 10.3 10.7 11.1 11.6 12.0 12.3 12.8 13.2 13.6 14.0 14.9 15.6 16.9 18.4 20.0
Clover/White Seed Whole 9.0 9.9 10.3 10.8 11.3 11.8 12.3 12.8 13.3 13.8 14.3 14.8 15.7 16.6 18.1 20.0 21.9 23.4
Cocoa Beans Whole 3.9 4.5 4.8 5.1 5.5 5.8 6.1 6.4 6.7 7.1 7.4 7.7 8.1 8.5 9.2 9.8 10.3
Coffee Ground 10.2 10.5 10.9 11.2 11.6 12.1 12.6 13.1 13.5 13.9 14.3 15.0 15.7 17.1 19.5
Coffee Whole 9.8 10.7 11.3 11.9 12.8 13.5 14.3 15.2 16.0 16.8 17.6 18.2 19.4 20.4 22.3 23.9
Coffee Green Ground 10.2 10.9 11.6 12.3 12.8 13.3 13.8 14.3 14.7 15.1 15.5 16.2 16.9 18.3 20.7
Flax Whole 6.9 7.4 7.7 8.0 8.5 8.8 9.1 9.4 9.9 10.3 10.7 11.1 12.0 13.0 14.6
Flour/Soft Wheat 12.9 13.7 14.1 14.5 15.0 15.4 15.9 16.3 16.8 17.2 17.7 18.2 19.1 19.9 21.3 23.0
Grass Seed/Cocksfoot Whole 8.3 9.2 9.6 10.0 10.5 10.9 11.3 11.8 12.3 12.8 13.2 13.6 14.5 15.2 16.6 18.4 20.3
Grass Seed/Rye Grass Whole 10.4 11.3 11.7 12.2 12.7 13.2 13.7 14.2 14.7 15.3 15.8 16.3 17.4 18.5 20.2 22.4
Ground Nuts Hulled Whole 5.5 6.1 6.4 6.6 6.9 7.1 7.3 7.6 7.9 8.1 8.4 8.6 9.0 9.5 10.4
Lentils Ground/Whole 11.8 12.3 12.5 12.7 13.0 13.4 13.7 14.0 14.4 14.8 15.0 15.3 16.0 16.6 17.9
Linseed Whole 7.0 7.4 7.7 8.0 8.3 8.7 9.0 9.4 9.9 10.3 10.7 11.1 12.0 12.9 14.6 16.5
Maize/Corn Ground 10.4 11.4 11.9 12.4 13.0 13.5 14.0 14.6 15.2 15.8 16.4 16.9 17.8 18.2 20.0 21.6 23.1 24.6 26.2
Maize/Corn Whole 11.4 12.0 12.5 13.1 13.5 13.9 14.3 14.8 15.4 15.9 16.5 16.9 17.9 18.7 20.2 21.9 23.6 25.2 27.2
Mustard Seed Whole 7.7 8.2 8.6 9.0 9.4 9.8 10.1 10.6 11.2 11.7 12.1 12.5 13.6 14.5 16.1
Oilseed Rape Ground 7.0 7.3 7.7 8.3 8.9 9.4 9.8 10.2 11.0 12.0 13.9 16.5 19.0 22.0 26.0
Paddy Ground 10.4 11.4 11.9 12.4 13.0 13.5 14.0 14.6 15.2 15.8 16.4 16.9 17.8 18.2 20.0 21.6 23.1 24.6 26.2
Paddy Whole 10.1 11.0 11.5 11.9 12.3 12.8 13.3 13.8 14.4 15.0 15.6 16.2 17.3 18.3 20.3 22.6 24.8 27.0 29.4
Peas Ground 12.0 12.9 13.5 14.0 14.5 15.0 15.7 16.2 16.8 17.5 18.0 18.5 19.5 20.1 22.5 24.3 26.2 28.2 30.9
Peas (Progreta) Ground 9.4 10.3 10.8 11.3 11.9 12.5 13.0 13.6 14.3 14.9 15.5 16.1 17.3 18.3 19.8 21.7 23.5 25.2 27.1
Rice (Milled) Whole 13.2 13.7 14.2 14.8 15.2 15.7 16.3 16.9 17.5 18.2 18.8 20.0 21.2 23.3 26.5
Semolina 12.3 13.0 13.2 13.6 14.0 14.5 15.1 15.5 16.2 16.8 17.2 17.8 18.7 19.4 21.0 22.4
Sorghum/Milo Ground 10.2 11.7 12.2 12.7 13.1 13.6 14.1 14.6 15.1 15.6 16.1 16.6 17.4 18.2 19.6 21.4 23.0 24.7 26.9
Sorghum/Milo Whole 11.2 12.2 12.7 13.2 13.7 14.2 14.7 15.2 15.8 16.3 16.9 17.3 18.2 19.1 20.6 22.5 24.2 25.9 28.0
Soya Beans Ground 7.4 8.2 8.7 9.1 9.7 10.1 10.6 11.1 11.6 12.0 12.5 12.9 13.8 14.7 16.0 17.5 18.9 20.4 22.2
Soya Beans Whole 9.3 10.4 10.7 11.1 11.5 11.9 12.4 13.0 13.6 14.3 14.9 15.4 16.5 17.6 19.6 21.8 23.7 25.9 28.6
Sugarbeet Seed Whole 7.6 8.4 8.7 9.1 9.6 10.0 10.3 10.8 11.2 11.6 12.0 12.4 13.2 13.8 14.8 16.1 17.3 18.6 20.2
Sunflower Seed Whole 6.2 6.9 7.3 7.7 8.2 8.5 8.9 9.4 9.9 10.5 11.1 11.6 12.5 13.5 15.3 17.7 20.3 23.0
Wheat/Rye Ground 11.3 12.3 12.8 13.3 13.8 14.3 14.8 15.3 15.8 16.3 16.8 17.3 18.3 19.3 21.3 23.3 25.3 27.3 29.3
Wheat/Rye Whole 12.8 13.4 13.8 14.3 14.9 15.5 16.2 16.8 17.5 18.2 18.8 19.4 20.4 21.3 23.0 25.0 27.2 29.5
INS1713, Rev. B June 2014
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Protimeter Calibration Data
Amphenol
Advanced Sensors
PROTIMETER
Notes:
1. Crop cali bration characteristics vary over time. For optimum moisture meter results, always be sure to use a current calibration chart.
[NOTE: THE DATA PRESENTED HERE SUPERCEDES ALL PREVIOUS ISSUES OF THIS DOCUMENT.]
2. The most common cause of measurement error is poorly maintained instruments. Always have your moisture instrument serviced by Protimeter, or
an agent authorised by Amphenol Advanced Sensors to service Protimeter grain moisture meters, on a regular basis to ensure optimum accuracy
and reliability.
3. Protimeter moisture instruments automatically adjust the moisture measurement with respect to temperature when Automatic Te mper at ure
Correction (ATC) is activated. We recommend that ATC be activated whenever measuring grain samples. For optimum accuracy, be sure that the
sample under test is at the same temperature as the instrument test cell.
4. Protimeter crop calibrations are mean values of laboratory test results. As such, they should not be considered as absolute; local environmental
conditions, soil characteristics, crop varieties and other variables may lead to wide differences in some cases. Growers may chose to match their
Protimeter instrument calibrations to an agreed reference (e.g., a merchant's moisture instrument) with the calibration adjust feature.
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St Marys Center
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St Marys, Pennsylvania 15857, U.S.A.
T: 814-834-9140
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Copyright © 2014 Amphenol Thermometrics, Inc.
967 Windfall Road
St. Marys, Pennsylvania 15857
Technical content subject to change without notice
INS1713, Rev. B June 2014
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