Regulatory Compliance

Pipette Calibration by Zerosigma adheres to various international standards. National and International standards adhered to while carrying out performance verification and scheduled maintenance of pipettes. DIN 12650 The standard committee for laboratory devices and equipment (Deutscitesinstitut fur Normung: DIN). This is the latest draft (4th Standard proposal, 1996-07) and is sub divided in to specific sections

DIN 12650-1: General Requirements
DIN 12650-2: Piston-Stroke pipettes
DIN 12650-3: Dispensers
DIN 12650-4: Diluters
DIN 12650-5: Piston Burettes
DIN 12650-6: Gravimetric testing for measuring accuracy
DIN 12650-7: Non-Gravimetric methods
DIN 12650-8: Multi channel pipettes
ASTM E1154-89 This specification covers requirements operating conditions, and test methods for piston or plunger operated volumetric apparatus.
ISO/8655 International standard, 2002
ISO/8655-1: Piston Operated volumetric instruments- Part 1: Terminology, general requirements and user recommendations
ISO/8655-2: Piston operated volumetric instruments- Part 2: Piston pipettes
ISO/8655-3: Piston operated volumetric instruments: Part 3: Piston burettes
ISO/8655-4: Piston operated volumetric instruments: Part 4: Diluters
ISO/8655-5: Piston operated volumetric instruments: Part 5: Dispensers
ISO/8655-6: Piston operated volumetric instruments: Part 6: Gravimetric test methods
ISO ISO/8655-7: Piston-operated volumetric apparatus: Part 7: Non-gravimetric methods for the assessment of equipment performance
ISO 3696 Water for analytical laboratory use Specification and test methods
ASTM E1154-14: 2014This specification covers requirements, operating conditions, and test methods for piston or plunger operated volumetric apparatus. (POVA)
ISO/IEC 17025: 2017-11: General requirements for the competence of testing and calibration laboratories (clause 7.8.4.1d, clauses 7.1.3, 7.2.1.4)
ISO/TR 20461: Determination of uncertainity for volume measurement made using the gravimetric .

Uncertainity is calculated using a coverage factor of k=2 (k=2 defines an interval having a level of confidence of approximately 95 percent) The uncertainity associated with the measurement is not included in determining inaccuracy Pass/Fail Results.

Regulatory Compliance

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