Balances of a sensitivity of 5 cg or better, with or without weights: electric (electronic) analytical and precision balances for laboratories.

State capacity and readability, provide calibration and legal-for-trade approvals, and pack with the pan removed in foam cases. Measuring and survey instruments are precision goods: pack in padded cases with silica gel, state accuracy class, range and resolution, provide calibration certificates traceable to national standards, CE/BIS marks for electronic units, and keep lithium batteries under dangerous goods rules; some navigation and geophysical instruments are export controlled.