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BOS ISO 8655-4:2002
P330.60
Piston-operated volumetric apparatus — Part 4: Dilutors
Description
This part of ISO 8655 specifies — metrological requirements,
— maximum permissible errors,
— requirements for marking and
— information to be provided for users,
for dilutors with a sample uptake capacity (In) from to and a diluent capacity (Ex) from to . They
are designed to deliver the sample and diluent together in measured proportion and measured volume.
NOTE General requirements and definitions of terms for piston-operated volumetric apparatus are given in ISO 8655-1.
Conformity testing (type evaluation) of piston-operated volumetric apparatus is given in ISO 8655-6. Alternative test methods such
as photometric and titrimetric methods will be the subject of a future Part 7 to ISO 8655. For all other tests (e.g. quality assurance
by the supplier, analytical and measuring equipment quality assurance by the user) see ISO 8655-6 or alternative test methods.
For safety requirements of electrically powered piston dilutors, see IEC 61010-1.