Appendix A: Volume, Weight, and Industry Standard Values
Test Chamber Volume and Weight on H2
This table includes the chamber volume and minimum required test chamber weight including 20% head room for the H2 Classic GrainGage.
H2 Test Chamber Volume and Weight | |||
Crop | Number of Inserts | Volume | Minimum Weight |
Canola 47 lb/bu (60 kg/hL) |
0 | 142 in3 (2325 cm3) | 3.72 lb (1.46 kg) |
1 | 113 in3 (1850 cm3) | 2.96 lb (1.16 kg) | |
2 | 84 in3 (1375 cm3) | 2.20 lb (0.85 kg) | |
Soybeans 55 lb/bu (71 kg/hL) |
0 | 142 in3 (2325 cm3) | 4.35 lb (1.76 kg) |
1 | 113 in3 (1850 cm3) | 3.46 lb (1.40 kg) | |
2 | 84 in3 (1375 cm3) | 2.58 lb (0.98 kg) | |
Wheat 60 lb/bu (77 kg/hL) |
0 | 142 in3 (2325 cm3) | 4.75 lb (1.84 kg) |
1 | 113 in3 (1850 cm3) | 3.78 lb (1.46 kg) | |
2 | 84 in3 (1375 cm3) | 2.81 lb (1.05 kg) | |
Barley 48 lb/bu (61 kg/hL) |
0 | 142 in3 (2325 cm3) | 3.80 lb (1.72 kg) |
1 | 113 in3 (1850 cm3) | 3.02 lb (1.37 kg) | |
2 | 84 in3 (1375 cm3) | 2.25 lb (1.02 kg) | |
Corn 56 lb/bu (72 kg/hL) |
0 | 142 in3 (2325 cm3) | 4.43 lb (2.01 kg) |
1 | 113 in3 (1850 cm3) | 3.53 lb (1.60 kg) | |
2 | 84 in3 (1375 cm3) | 2.62 lb (1.89 kg) | |
Rye 56 lb/bu (72 kg/hL) |
0 | 142 in3 (2325 cm3) | 4.43 lb (2.01 kg) |
1 | 113 in3 (1850 cm3) | 3.53 lb (1.60 kg) | |
2 | 84 in3 (1375 cm3) | 2.62 lb (1.19 kg) | |
Sorghum 56 lb/bu (72 kg/hL) |
0 | 142 in3 (2325 cm3) | 4.43 lb (2.01 kg) |
1 | 113 in3 (1850 cm3) | 3.53 lb (1.60 kg) | |
2 | 84 in3 (1375 cm3) | 2.62 lb (1.19 kg) | |
Oats 32 lb/bu (41 kg/hL) |
0 | 142 in3 (2325 cm3) | 2.53 lb (1.15 kg) |
1 | 113 in3 (1850 cm3) | 2.02 lb (0.92 kg) | |
2 | 84 in3 (1375 cm3) | 1.50 lb (0.68 kg) | |
Sunflower 25 lb/bu (32 kg/hL) |
0 | 142 in3 (2325 cm3) | 1.98 lb (0.90 kg) |
1 | 113 in³ (1850 cm³) | 1.57 lb (0.71 kg) | |
2 | 84 in3 (1375 cm3) | 1.17 lb (0.53 kg) |
Test Chamber Weight for SCiO Sensor on H3
This table includes the minimum required test chamber weight including 20% head room for the H3 Classic GrainGage with SCiO Sensor.
H3 Test Chamber Weight with SCiO Sensor | ||
Crop | Number of Inserts | Minimum Weight |
Wheat 60 lb/bu (77 kg/hL) |
0 | 4.50 lb (2.04 kg) |
1 | 3.37 lb (1.53 kg) | |
Canola 47 lb/bu (60 kg/hL) |
0 | 3.52 lb (1.60 kg) |
1 | 2.64 lb (1.20 kg) | |
Soybean 55 lb/bu (71 kg/hL) |
0 | 4.12 lb (1.87 kg) |
1 | 3.09 lb (1.40 kg) | |
Barley 48 lb/bu (61 kg/hL) |
0 | 3.60 lb (1.63 kg) |
1 | 2.70 lb (1.22 kg) | |
Corn 56 lb/bu (72 kg/hL) |
0 | 4.20 lb (1.91 kg) |
1 | 3.15 lb (1.43 kg) | |
Rye 56 lb/bu (72 kg/hL) |
0 | 4.20 lb (1.91 kg) |
1 | 3.15 lb (1.43 kg) | |
Sorghum 56 lb/bu (72 kg/hL) |
0 | 4.20 lb (1.91 kg) |
1 | 3.15 lb (1.43 kg) | |
Oats 32 lb/bu (41 kg/hL) |
0 | 2.40 lb (1.09 kg) |
1 | 1.80 lb (0.82 kg) | |
Sunflower 25 lb/bu (32 kg/hL) |
0 | 1.87 lb (0.89 kg) |
1 | 1.40 lb (0.64 kg) |
Test Chamber Weight for EM Sensor on H3
This table includes the minimum required test chamber weight including 20% head room for the H3 Classic GrainGage with EM sensor.
H3 Test Chamber Weight with EM Sensor | ||
Crop | Number of Inserts | Minimum Weight |
Wheat 60 lb/bu (77 kg/hL) |
0 | 5.16 lb (2.34 kg) |
1 | 3.98 lb (1.81 kg) | |
2 | 2.81 lb (1.27 kg) | |
Canola 47 lb/bu (60 kg/hL) |
0 | 4.04 lb (1.83 kg) |
1 | 3.12 lb (1.42 kg) | |
2 | 2.20 lb (1.00 kg) | |
Soybean 55 lb/bu (71 kg/hL) |
0 | 4.73 lb (2.15 kg) |
1 | 3.65 lb (1.66 kg) | |
2 | 2.58 lb (1.17 kg) | |
Barley 48 lb/bu (61 kg/hL) |
0 | 4.13 lb (1.87 kg) |
1 | 3.19 lb (1.45 kg) | |
2 | 2.25 lb (1.02 kg) | |
Corn 56 lb/bu (72 kg/hL) |
0 | 4.82 lb (2.19 kg) |
1 | 3.72 lb (1.69 kg) | |
2 | 2.62 lb (1.19 kg) | |
Rye 56 lb/bu (72 kg/hL) |
0 | 4.82 lb (2.19 kg) |
1 | 3.72 lb (1.69 kg) | |
2 | 2.62 lb (1.19 kg) | |
Sorghum 56 lb/bu (72 kg/hL) |
0 | 4.82 lb (2.19 kg) |
1 | 3.72 lb (1.69 kg) | |
2 | 2.62 lb (1.19 kg) | |
Oats 32 lb/bu (41 kg/hL) |
0 | 2.75 lb (1.25 kg) |
1 | 2.12 lb (0.96 kg) | |
2 | 1.50 lb (0.68 kg) | |
Sunflower 25 lb/bu (32 kg/hL) |
0 | 2.15 lb (0.98 kg) |
1 | 1.66 lb (0.75 kg) | |
2 | 1.17 lb (0.53 kg) |
Test Chamber Volume for SCiO and EM Sensors on H3
This table includes the test chamber volume for the H3 Classic GrainGage with SCiO Sensor or EM sensor.
H3 Test Chamber Volume for SCiO and EM Sensors | ||
Number of Inserts | SCiO Sensor | EM Sensor |
0 | 134 in³ (2200 cm3) | 154 in3 (2525cm3) |
1 | 101 in³ (1650 cm3) | 119 in3 (1950 cm3) |
2 | n/a | 84 in3 (1375 cm3) |
Standard Moisture and Test Weight
Test weight should always be calibrated using a sample with a moisture content as close to the industry standard as possible. The table shows the industry moisture standards for some common grains.
Standard Moisture and Test Weight | ||
Grain | Moisture | Test Weight |
Barley | 14.5 % | 48 lb/bu (62 kg/hL) |
Canola | 8.5% | 47 lb/bu (60 kg/hL) |
Corn | 15.5% | 56 lb/bu (72 kg/hL) |
Oats | 13.5% | 32 lb/bu (41 kg/hL) |
Rye | 14% | 56 lb/bu (72 kg/hL) |
Sorghum | 13% | 56 lb/bu (72 kg/hL) |
Soybean | 13% | 55 lb/bu (71 kg/hL) |
Sunflower | 10% | 25 lb/bu (32 kg/hL) |
Wheat | 13.5% | 60 lb/hL (77 kg/hL) |
*These measurements are based on the United States (Winchester) bushel.
References for Standard Moisture and Test Weight
Devkota P., & Mulvaney M. J. (2020, May). Adjusting crop yield to a standard moisture content. IFAS Extension, University of Florida. https://edis.ifas.ufl.edu/pdf%5CAG%5CAG44200.pdf.
Isleib, J. (2012, August 6). Test weight in small grains. Michigan State University Extension. https://www.canr.msu.edu/news/test_weight_in_small_grains.