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Installation and Configuration Manual 33
Accuracy Considerations
Installation Procedure Accuracy ConsiderationsElectrical ConnectionsIntroduction Installation Procedure Accuracy ConsiderationsElectrical ConnectionsIntroduction Installation Procedure Accuracy ConsiderationsElectrical ConnectionsIntroduction Installation Procedure Accuracy ConsiderationsElectrical ConnectionsIntroduction
4.4 Calibration certificate example
3098 Calibration Certificate
Ref. No. …………. 000001 Date :- ………
…
15-Apr-09
3098 Serial Number :
-
………….. 000001
7812 Serial Number :
-
………….. 000001
Cylinder Number :- ………….. 000001
Spoolbody Number :- ………….. 000001
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------
INPUTS
Sample Gas Type :- Required Specific Gravity Span :-
Methane
0.5
to
7
Selected Reference Pressure at 20°C :
-
2
2
2
1
21
2
WW
SGSG
K
2
2220
W
KSGK
2
20
W
KKSG
Calibration Gas 1 Type :- Calibration Gas 2 Type :-
Specific Gravity (SG
1
) :-
0.554900
Specific Gravity (SG2) :-
0.967150
3098 Output (W1)
………….
511.3467
µs
3098 Output (
W
2
)
…………..
518.4489
µs
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------
CALCULATIONS :-
Since the Specific Gravity, ……….1
where
=
0.0000563659
……….2
=
-14.1834087265
……….3
Note : Where the output is required in Relative or Standard Density units, simply substitute these
values for the Specific Gravity values.
2
2
2
1
21
2
WW
SGSG
K
2
2220
W
KSGK
2
20
W
KKSG