The value of the viscosity of this CRM is traceable to the basic standard defined by the value of kinematic viscosity of double-distilled water equal to 1,0034 mm2/s or by the value of the dynamic viscosity of water  equal to 1,0016 mPa . s  at 20 oC; the values have been assumed on the basis of  ISO/TR 3666: 1998 (E).

The physical qualities reproduced by the standard are the kinematics and dynamics viscosity. The standards are tested at 20 °C. It is also possible to have standard examples tested at 40 °C, 50 °C and 80 °C depending on the customer's needs.
The viscosity standards are distributed in 250 cm3 bottles.

The viscosity (viscosimetric) standards of liquids are designed for checking viscometres.

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VISCOSITY STANDARDS LIST

Type No

Nominal quantity
of kinematics viscosity
(20 oC) 
mm2/s

Relative expanded uncertainty 
(k=2)
%

BLS 99 OM 0002

2

0,2

BLS 99 OM 0010

10

0,2

BLS 99 OM 0020

20

0,2

BLS 99 OM 0050

50

0,2

BLS 99 OM 0150

150

0,2

BLS 99 OM 0250

250

0,2

BLS 99 OM 0400

400

0,2

BLS 99 OM 0650

650

0,2

BLS 99 OM 1400

1400

0,2

BLS 99 OM 2000

2000

0,2

The viscosity value of the standard was determined with reference to the reference standard determined by the kinematic viscosity of water equal to 1.0034 mm 2 / s or the dynamic water viscosity equal to 1.0016 mPa. s at 20 oC, according to ISO / TR 3666: 1998 (E). The pattern certificate issued by the viscosimetric (viscosity) liquids is issued confirming its metrological properties containing PCA accreditation symbols together with the reference to the PCA status as a signatory to the multilateral agreements of EA MLA and ILAC MRA regarding the mutual recognition of certificates.

CALIBRATION LABORATORY ACCREDITED by Polish Centre for Accreditation, a signatory to EA MLA and ILAC MRA that include recognition of calibration certificates. The laboratory meets the requirements of standard PN-EN ISO/IEC 17025.

 

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