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To obtain additional calibration constants for other grains, or if you need assistance with the constants featured on this site please contact us.

Quick instructions on entering calibrations for the GAC 2100 and GAC 2000.

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2010 DICKEY-john™ GRAIN MOISTURE METER CALIBRATIONS

The following calibrations have been issued by the national NTEP grain moisture laboratory and GIPSA (FGIS). These calibrations have been deemed the best fit to the national air oven standard for the DICKEY-john GAC2100B, GAC2100A, GAC2100, GAC2100G, GAC2100 Agri, GAC2000, GAC500 series, and miniGAC moisture meters. Calibration data entry is covered in the meter operators manual or call GSF customer service at 1-800-627-6702 or 515-289-8330.

*Test weight offset is for the NTEP GAC 2100 & GAC 2100B only. Test weight offset is only required if your moisture meter is to be certified for legal test weight by your state inspection agency.

Calibration changes for 2010
Grains that have changed are highlighted in yellow

Calibrations effective August 1, 2010

Corn
8 - 26%
100326N
K1 0179
K2 1678
K3 1173
K4 0896
K5 2305
K6 2855
K7 2608
K8 9952
K9 1087
*Test Weight Offset: 0.0
Corn H.M.
25 - 40%
100326N
K1 2333
K2 1203
K3 1327
K4 0050
K5 2305
K6 2855
K7 4025
K8 9922
K9 1087
*Test Weight Offset: 0.0
Soybeans
6 - 26%
050210N
K1 1074
K2 1506
K3 1089
K4 0727
K5 2455
K6 2074
K7 2606
K8 9916
K9 1087
*Test Weight Offset: 0.0
Wheat HRW
6 - 22%
060308N
K1 0673
K2 1716
K3 1247
K4 0738
K5 2500
K6 1074
K7 2206
K8 9948
K9 1045
*Test Weight Offset: 0.0
Wheat SRW
8 - 22%
070327N
K1 0430
K2 1936
K3 1255
K4 2091
K5 2505
K6 1068
K7 2208
K8 9996
K9 1045
*Test Weight Offset: 0.0
Wheat HRS
6 - 22%
080326N
K1 0495
K2 1664
K3 1220
K4 0766
K5 2505
K6 1074
K7 2206
K8 9975
K9 1045
*Test Weight Offset: 0.0
Wheat Soft W
6 - 22%
100405N
K1 0484
K2 1438
K3 1175
K4 0500
K5 2505
K6 1074
K7 2206
K8 9928
K9 1045
*Test Weight Offset: -0.3		 Wheat Hard W
6 - 18%
080331N
K1 0778
K2 1546
K3 1230
K4 0499
K5 2500
K6 0894
K7 1806
K8 9959
K9 1045
*Test Weight Offset: 0.0		 Durum
6 - 20%
090501N
K1 0603
K2 1533
K3 1204
K4 0549
K5 2505
K6 1861
K7 2006
K8 9929
K9 1055
*Test Weight Offset: -0.4
Barley- 2 row
6 - 20%
080324N
K1 0006
K2 3427
K3 1261
K4 2776
K5 2105
K6 1079
K7 2006
K8 9906
K9 1056
*Test Weight Offset: 0.0		 Barley-6 row
6 - 22%
090327N
K1 0401
K2 1882
K3 1217
K4 2000
K5 2105
K6 1864
K7 2206
K8 9900
K9 1056
*Test Weight Offset: 0.0		 Oats
8 - 18%
100408N
K1 5653
K2 7223
K3 1264
K4 8999
K5 1705
K6 1652
K7 1808
K8 9914
K9 1048
*Test Weight Offset: 0.0
Rice LGRR
8 - 26%
100407N
K1 0003
K2 3710
K3 1308
K4 4103
K5 1900
K6 2044
K7 2608
K8 9957
K9 1057
*Test Weight Offset: 0.0		 Rice MGRR
8 - 30%
100326N
K1 1238
K2 5112
K3 1349
K4 4667
K5 1900
K6 1852
K7 3008
K8 9974
K9 1057
*Test Weight Offset: 0.0		 Rice SGRR
10 - 26%
020327
K1 1441
K2 3846
K3 1280
K4 4455
K5 1900
K6 2058
K7 2610
K8 0233
K9 1047
Sunflower Oil
4 - 22%
090330N
K1 1198
K2 1445
K3 1054
K4 0680
K5 1305
K6 1776
K7 2204
K8 9933
K9 1058
*Test Weight Offset: 0.0		 Milo/Sorghum
8 - 24%
100409N
K1 0815
K2 3249
K3 1360
K4 2294
K5 2605
K6 2050
K7 2408
K8 9975
K9 1045
*Test Weight Offset: 0.0		 Sunflower Confec
5 - 17%
000413
K1 1744
K2 1791
K3 1057
K4 2355
K5 1015
K6 1562
K7 1705
K8 1701
K9 1089