Certificato UKAS Standard di Viscosità

CERTIFICATE OF CALIBRATION
ISSUED BY THE PSL CALIBRATION LABORATORY

DATE OF ISSUE 18 November 2001 SERIAL NUMBER 298968



POULTEN SELFE & LEE LTD

WICKFORD ....................................................APPROVED SIGNATORY

ESSEX SS11 3M
ENGLAND

Telephone + 44 1268 733324 Fax + 44 1268 560049

...............................................................................................A.DGosLing

Supplited to : EN.CO. S.R.L.
Via Filande, 13 30038 Spinea (Ve)

Labelled:


ASTM reference: N1000
Product code: 2700-V14
Batch number: 14926

Date of calibration.

06 October 2000
Date of expiry. 05 October 2001
Bottle number 28027

The kinematic viscosity of a sample taken from this calibrated reference oil was measured against traceable standards held at the Laboratory and the following values were determined.

CERTIFIED VALUES

Temperature °C

Kinematic
viscosity
mm2/s
Dynamic
viscosity
mPa·s
Density
g/cm3


20.00
25.00
40.00
50.00
60.00
100.00


4721
3054
958.9
494.3
275.9
48.81

4113

2561
824.7
422.2
234.2
40.34


0.8712
0.8682
0.8600
0.8542
0.8490
0.8265
UNCERTAINTIES
Kinematic
viscosity
mm2/s
Dynamic
viscosity
mPa·s
Uncertainty %
1
10
+/-0.35
100
1000
10000 and over
1
10

100
1000
10000 and over
+/- 0.30


+/- 0.40
+/- 0.65
+/- 2.15

These uncertainties are largely random in nature.
The uncertainties are for a confidence probability of not less than 95%.
Rev: OIL1

This certificate Is issued in accordance with the requirements of the United Kingdom Accreditation Service as specified in the UKAS Accreditation Standard and UKAS Regulations. it provides traceability of measurement to recognised national standards,and to the units of measurement realised at the National Physicoal Laboratory or other recognised national standards Iaboratories.

This certificate may not be reproduoed other than in fuIi, except with the prior written approvai of the issuing Iaboratory.

ENCO s.r.l. - Apparecchi Scientifici - Rappresentante per l'Italia
Via Filande n.13 -  30038 Spinea Venezia
Tel. 041.5411133 - Fax. 041.5411090
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