Petroleum measurement systems - Calibration - Temperature corrections for use with volumetric reference measuring systems (ISO 8222:1987)

Migrated from Progress Sheet (TC Comment) (2000-07-10): Decision of BT to submit this ISO document to UAP procedure.

Mineralölmeßsysteme - Kalibrierung - Temperatur-Korrekturen bei der Anwendung volumetrischer Bezugmeßsysteme (ISO 8222:1987)

Systemes de mesure du pétrole - Etalonnage - Corrections de température pour utilisation avec les systemes volumétriques de mesure de référence (ISO 8222:1987)

Naftni merilni sistemi - Kalibracija - Temperaturne korekcije za volumetrične referenčne merilne sisteme (ISO 8222:1987)

General Information

Status
Withdrawn
Publication Date
30-Apr-1998
Withdrawal Date
31-Jan-2003
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
01-Feb-2003
Due Date
01-Feb-2003
Completion Date
01-Feb-2003

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EN ISO 8222:1998
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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 8222:1998
01-maj-1998
1DIWQLPHULOQLVLVWHPL.DOLEUDFLMD7HPSHUDWXUQHNRUHNFLMH]DYROXPHWULþQH
UHIHUHQþQHPHULOQHVLVWHPH ,62
Petroleum measurement systems - Calibration - Temperature corrections for use with
volumetric reference measuring systems (ISO 8222:1987)
Mineralölmeßsysteme - Kalibrierung - Temperatur-Korrekturen bei der Anwendung
volumetrischer Bezugmeßsysteme (ISO 8222:1987)
Systemes de mesure du pétrole - Etalonnage - Corrections de température pour
utilisation avec les systemes volumétriques de mesure de référence (ISO 8222:1987)
Ta slovenski standard je istoveten z: EN ISO 8222:1995
ICS:
75.180.30 Oprema za merjenje Volumetric equipment and
prostornine in merjenje measurements
SIST EN ISO 8222:1998 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 8222:1998

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SIST EN ISO 8222:1998

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SIST EN ISO 8222:1998

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SIST EN ISO 8222:1998

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SIST EN ISO 8222:1998

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SIST EN ISO 8222:1998
ISO 8222 : 1987 (E)
3NTERNATIONAL STANDARD
Petroleum measurement Systems - Calibration -
Temperature corrections for use with volumetric
reference measuring Systems
0 Introduction arising from temperature differentes during the determination
of the capacity of the tank at a reference temperature.
This International Standard is intended to be applied when
calibrating meter proving tanks or other Containers with
NOTE 1 - This International Standard does not set out a calibration
primary measures using water. The corrections given in this
procedure nor consider the uncertainties in temperature measurement,
International Standard correct for the effects of differentes in
for which reference should be made to other Standards.
temperature between the tank and the primary measure and
between these temperatures and the reference temperature.
The corrections take account of differentes in the volume of
water, and of the measure and the tank arising from the follow-
The corrections are given in the form of factors which, when
ing temperature effects :
multiplied by the volume delivered or received by the measure,
give the volume of the tank at the reference temperature. This
a) the Change in volume of the calibrating liquid (watet-)
is suitable for use in the field on programmable hand calcu-
caused by any Change in its temperature from the time it is
lators. An algorithm is given in annex B.
measured in the measure to the time when the total volume
has been transferred to or drawn from the tank being
Values for the density of water at temperatures between 0 and
calibrated;
40 OC based on the work of Wagenbreth and Blank (1968) ~1
have been adopted internationally. At the request of the ISO
- Although this International Standard is applicable to
NOTE 2
Committee charged with the preparation of this International
I volumes transferred to, or drawn from, a tank, it has been written
Standard, other published data [*l for the density of water were
in terms of the volume transferred to the tank.
reviewed and a table of densities for water for the range 0 to
100 OC was provided. The Wagenbreth equation for the 1968
b) the changes in the volumes of the measure and the tank
data has been used in this International Standard. Comparison
being calibrated when the temperatures are different from
with the later data Shows that its range may be extended from
the calibration temperature of the measure.
40 to 45 OC in the calculation of the correction factor, provided
that the final factor is rounded to 5 decimal places before use.
The corrections apply for temperatures in the range 0,05 to
45 OC, but the differente between the temperature of the
Although a similar correction routine is given in ISO 4269[31, it
measure and of the tank shall not be more than 5,0 OC, unless
only covers a temperature range of 0 to 40,9 OC, and it is
otherwise specified in the calibration procedure (see note 3).
intended for use with larger Containers and to correct for
greater differentes in temperature.
The corrections are specified in the form of an algorithm or
calculation routine, which will always’generate the same values
from the same input data. Although-tables may be generated
Scope and field of application
1
from the calculation routine, it is mainly intended for use with a
Computer.
This International Standard specifies multiplication factors for
the correction of the volume of water transferred from a
NOTE 3 - The calculation procedure is accurate for any differente
primary measure (measure) to a tank for differentes in volume
between the temperature of the measure and of the tank within the

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SIST EN ISO 8222:1998
ISO 8222 : 1987 (El
4 Coefficient of expansion
range 0,05 to 45 OC, but the limit of 5,0 OC is specified to avoid other
errors that could arise if the differente were greater, e.g. temperature
gradients within the tank being calibrated.
4.1 Expansion of shells
The coefficients sf cubical expansion assumed for the shells of
the measure aYi and the tank CY~+ being calibrated in the com-
2 Symbols and definitions
putation of the corrections shall be as follows:
The Symbols used in this International Standard are defined in
mild steel : 33 x 10-6°c-’
the table.
stainless steel : 51 x 10-6 OC-1;
however, if the value for the particular steel is known, it may be
used and its value shall be reported as part of the calibration.
3 Temperatures
If other steels or metals with other coefficients of expansion are
3.1 Because of the difficulty of accurately measuring the used, then corresponding coefficients shall be obtained and
temperatures of the Shell of the measure and the Shell of the
applied. These coefficients shall be reported with the other
tank being calibrated, the following assumptions shall be made.
details of the calibration.
Values for the coefficient of cubical expansion of stainless
NOTE -
3.1.1 The measure is at the same temperature as the liquid it
steel depend upon its composition. Values have been reported over the
contains when the volume of the particular increment (pour) is
range 43 x IO-6 to 54 x I
...

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