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.