VG Instruments (SEA) Sdn Bhd
12A, Jalan Dagang SD2/1G,
Bandar Sri Damansara,
Kepong, 52200
Kuala Lumpur, Malaysia.
+603-6276 8363
+603-6276 9363

Differential Pressure Flowmeters

Differential Pressure Flowmeters

Differential Pressure Flow Meters consist of a flow body containing some type of throttle restriction with known characteristics, such as a venturi, orifice, cone, or segmented wedge. This restriction creates a differential pressure between a pressure tap (P1) upstream of the restriction and a pressure tap downstream of the restriction (P2) which is proportional to the square of the volumetric flow rate. For a more detailed discussion of the principle of operation, please go to:

Differential Pressure Flow Meters are excellent for very low flows or low Reynolds numbers (Re. < 500), high-viscosity fluids which contains dust or solid particles, or applications for measuring flows of liquid cement, crude oil flow meters, asphaltic oil, coal-tar oil, wastewater, hard pulp,  carbon black solution, asphaltic oil, coal-tar oil, wastewater, hard pulp, carbon black solution, as well as two phase flows. SmartMeasurementTM offers Cone-Type Differential Pressure flowmeters as well as a wide selection of Differential Pressure (DP) transmitters that can be used with a customer-supplied Differential Pressure element. Volumetric calculations can be performed with the ALDP-3051 transmitter with the ALDP-3051MV multivariable transmitter has the ability to perform mass flow calculations. Please see the Differential Pressure matrix below for the best fit device for your application.

Multi-Variable Differential Pressure Transmitter

Differential Pressure Transmitter

Cone Differential Pressure Meter


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