Truck Scales, Load cells, Truck Scales Software.
What calibration means, why instruments drift, and the terms that get mixed up: calibration range against instrument range, LRV and URV, span, ranging, zero and span interaction, and what belongs in a calibration record.
CE marking is a manufacturer’s declaration, not a quality award. What it covers, where it is mandatory, and why it does not replace legal metrology approval for trade scales.
NTEP is the US pattern approval for equipment used in trade. Who issues the Certificate of Conformance, which NIST handbooks it is checked against, and what counts as commercial use.
OIML sets the model regulations behind load cell accuracy classes and weighbridge approvals. What the organisation publishes, how its certification systems work, and what to check on a supplier’s certificate.