Do you want to perform calibration or Daily check ?
Based on USP 41 It does not make sense to conduct Accuracy test below 5% of balance capacity , at this lower range Repeatability test is to be conducted
Different auditors differ in their visions
I advise you to really consider consulting:
1- USP chapter 1251 because it provides detailed scientific beneficial information
2- Mettler Toledo GWP: The standard science based weighing
3- Euramet Calibration guide No. 18: Guidelines on the calibration of Non-automatic weighing instruments
The following statement is from USP Chapter 41:
The following is the link of Mettler Toledo GWP: The standard science based weighing:
The following is the link of Euramet Calibration guide No. 18: Guidelines on the calibration of Non-automatic weighing instruments