Self Traceable in KIM-LIPI Self Traceable in KIM-LIPI Pressure LaboratoryPressure Laboratory

Gigin Ginanjar Gigin Ginanjar

Pressure Laboratory Pressure Laboratory

Mass & Related Quantities Metrology Sub DivisionMass & Related Quantities Metrology Sub Division

Puslit KIM-LIPIPuslit KIM-LIPI

OutlineOutline

Why Self TraceableWhy Self Traceable

Basic TheoryBasic Theory

Dimensional MeasurementDimensional Measurement

Research Progress and Future PlanResearch Progress and Future Plan

Why Self TraceableWhy Self Traceable

Pressure is a derivative quantity Pressure is a derivative quantity

Reduce dependence to another NMI for Reduce dependence to another NMI for pressure standardpressure standard

Get lower uncertaintyGet lower uncertainty

Gaining competence and confidentGaining competence and confident

Basic TheoryBasic Theory

P = M g / A

Self Traceable in Pressure Laboratory

M (Mass) = Piston and Weight of Pressure Balance are weighinging Mass Lab (E2/F1)

g (Gravity) = (Tematik 2009), measured by BMG (2001,2007)

A : Effectife Area of Pressure Balance P/C = (Tematik 2011)

Pressure Balance

Self Traceable inSelf Traceable inPressure StandardPressure Standard

Dimensional Measurement (Tematik 2011)

Gas to Oil interconection

Pneumatik Pressure BalanceHydraulic Pressure Balance

Traceabilty Chain in Hydraulic Traceabilty Chain in Hydraulic PressurePressure

TRACE ABILITY CHAIN HIDRAULIC PRESSURE

Dimensional MeasurementDimensional Measurement

Research project in 2011Research project in 2011

Measured diameter Piston/Cylinder with Measured diameter Piston/Cylinder with uncertainty of effective are expected less than uncertainty of effective are expected less than 16 ppm16 ppm

Artefacts for Dimensional Artefacts for Dimensional MeasurementMeasurement

Dimensional Measurement (Tematik 2011)

Research Progress .Research Progress .

Dadson formula for calculating Effective Dadson formula for calculating Effective AreaArea

2/1

1

03

x

03

222

dxh

1

dxh

1

)2p1p(1pp

}dxdx

)Uu(d)2pp(

)2p1p(Ro

1

Ro

ho1{RoAo

1

0

2

Reseach Progress ..Reseach Progress ..

4,996800E+01

4,996820E+01

4,996840E+01

4,996860E+01

4,996880E+01

4,996900E+01

4,996920E+01

4,996940E+01

4,996960E+01

4,996980E+01

4,997000E+01

0 2 4 6 8 10 12 14

PISTON 30'

Series2

Series3

Series4

Series5

Series6

Series7

Series8

Series9

Series10

PERHITUNGAN NIMT

PERHITUNGAN KIM

Result Effective Area 50 mm diameter calculation using Dadson Formula

Future PlanFuture Plan

Self traceable for hydraulic Pressure Self traceable for hydraulic Pressure Balance ( subbmited research proposals Balance ( subbmited research proposals for 2012)for 2012)

Thank YouThank You