Calibration · Free Template
Weighing System Calibration Record Template
Record a weighing system calibration with test weights or a known substitute load, loading and unloading. The sheet calculates the error in % of capacity, the hysteresis and the result.
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- How to Use sheet with steps
- Template sheet, blank and ready
- Example sheet, filled in
- 54 built in formulas
- A4 landscape print setup
- Works in Excel, Google Sheets and LibreOffice
Preview of the Filled Example
This is the Example sheet from the download, so you can see exactly how the completed weighing system calibration record looks.
Tag numberWT 6101
ServiceBatch tank weighing
Capacity (kg)5000
Load cells3 × 2 t compression
Tolerance (± % of capacity)0.1
Test weightsM1 class, certificate CC 24715
Date25 Oct 2026
MethodTest weights plus water substitution
Calibration results
| Step | Applied load (kg) | Indicated loading (kg) | Error loading (% cap) | Indicated unloading (kg) | Error unloading (% cap) | Hysteresis (% cap) | Result | Remarks |
|---|---|---|---|---|---|---|---|---|
| 1 | 0.0 | 0.0 | 0.000 | 0.5 | 0.010 | 0.010 | PASS | |
| 2 | 1,000.0 | 1,001.5 | 0.030 | 1,002.5 | 0.050 | 0.020 | PASS | |
| 3 | 2,000.0 | 2,002.0 | 0.040 | 2,003.5 | 0.070 | 0.030 | PASS | |
| 4 | 3,000.0 | 3,003.0 | 0.060 | 3,004.0 | 0.080 | 0.020 | PASS | |
| 5 | 4,000.0 | 4,003.5 | 0.070 | 4,004.0 | 0.080 | 0.010 | PASS |
Maximum error (% cap):0.080 · Maximum hysteresis (% cap):0.030 · Overall result:PASS
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About the Weighing System Calibration Record
Tank and hopper weighing systems are affected by pipework, wind and temperature as much as by the load cells. A stepped up and down test with known loads reveals both span errors and mechanical friction (hysteresis).
How to fill in this template
- Check the mechanical installation and zero the empty system.
- Apply test loads in steps up to near capacity, recording the indication.
- Remove loads in the same steps and record the unloading readings.
- Adjust span if needed and repeat.
- Record the method used, such as test weights or build up with substitution.
What the formulas do
- Error (% of capacity) = (indicated − applied) ÷ capacity × 100.
- Hysteresis = |loading − unloading| ÷ capacity × 100.
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Frequently Asked Questions
What if I cannot lift enough test weights?
Use build up with substitution: apply weights, record, replace them with water or product, and add weights again.
Why does unloading read higher?
Friction or binding pipework holds part of the load; check connections.
How often to calibrate?
Often yearly, more often for custody or critical batching.
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