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Contents1 Load Cell Fundamentals.32 Weight Measurements Using a Load Cell and the MSC1210 .43 Theory ...53.1 Decimation Ratio ..53.2 PGA and Buffer ....63.3 Offset and Gain Calibration of Load Cell..63.4 Calculating the Display Resolution (Count)...73.5 Reference Voltage83.6 Filtering, Display Rate, and Settling Time 93.7 Dynamically Controlled Window Sizes 93.8 Temperature Drift Compensation .104 Results 114.1 No Averaging124.2 Running Average145 Summary..16Example Code .16References..22FiguresFigure 1. Schematic of TH1042 High Precision Load Cell...3Figure 2. Load Cell Setup ..5Figure 3. Output Voltage vs. Load ...7Figure 4. Example of State Machine for Dynamically Controlling Window Sizes .10Figure 5. 200 Consecutive Readings ..12Figure 6. Histogram for Data in Figure 5..13Figure 7. 200 Consecutive Readings, Window Size = 8 ....14Figure 8. Histogram for Data in Figure 7..15TablesTable 1. Bin Number and Interval 13Table 2. Bin Number and Interval 15Table 3. Summary of Results.. 15
