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Description

The Rotronic humidity standards are delivered in packs of five ampoules of the same humidity value. Every ampoule is marked with its humidity value and a serial number. Ampoules are available from 0.5% RH to 95% RH, all of which contain an unsaturated salt solution.

An SCS certificate documenting traceability to national standard and specifying the uncertainty of the humidity standard is enclosed with every pack. The different national agencies for metrology recognize each others' certificates reciprocally through the ILAC Mutual Recognition Agreement. As a result, an instrument calibration certificate from Sweden (SCS) is accepted worldwide by local certification bodies.