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On-line API Gravity Monitoring and Analysis
API gravity, is a measure of how heavy or light a petroleum liquid is compared to water. Thus it is a measure of density, making Anton Paar on-line density transmitters and density transducers ideal instruments for measuring API gravity on-line.
Anton Paar density measurement uses a new type of oscillating U-tube. The instruments measure the change in oscillating frequency rather than the change in deflection used by other types of density meters; this provides a signal that is approximately 10x more sensitive than a change in deflection.
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