Vega Differential pressure measurement
Pressure, level, density and flow of liquids, suspensions, gases and vapours can be measured using the principle of differential pressure.
The advantages
Thanks to the large selection of available measuring ranges and process fittings, pressure transmitters and chemical seals are extremely versatile. Their simple setup and adjustment make for high operational reliability.
Electronic differential pressureVEGADIF 65Isolating diaphragm CSBIsolating diaphragm CSS
Application area
The VEGADIF 65 with chemical seal CSB (both side assembly) is suitable for level, interface, density, differential pressure and flow measurement. Through the assembly of the chemical seal CSB, applications in corrosive, high viscosity and hot products can be realized.
Advantages
High chemical resistance through adapted diaphragm materials
Versatile solutions through individual configuration
Technical data
Measuring range
from -100 … +100 mbar (-10 … +10 kPa)
to -40 … +40 bar (-4000 … +4000 kPa)
Process fitting
flanges from DN 50, 2"
Process temperature
-40 … +400 °C

Application area
The differential pressure transmitter VEGADIF 65 can be used universally for the measurement of liquids, gases and vapours. Typical applications are level measurements in pressurized vessels as well as flow measurements in combination with DP flow elements. Further applications are pressure monitorings on filters as well as density and interface measurements.
Advantages
Measurement of very low differential pressures through high precision measured value detection
High reliability through integrated overload diaphragm
Versatile use through a variety of measuring ranges and process fittings
Technical data
Measuring cell
metallic
Measuring range
from -10 … +10 mbar (-1 … +1 kPa)
to -40 … +40 bar (-4000 … +4000 kPa)
Process fitting
¼-18 NPT, RC ¼
Process temperature
-40 … +120 °C
with chemical seal assembly -40 … +400 °C
Deviation in characteristics
0.15 %; 0.075 %

Application area
All sensors of the VEGABAR 80 series can be quickly and easily converted into an electronic differential pressure system: A standard instrument is connected with another sensor of identical type with "slave" electronics.
Advantages
Easy instrument selection and reduced parts stocking
Simple adjustment system allows time-saving, reliable instrument setup.
Long-term measurement stability, as there are no oil-filled capillaries
Technical data
Measuring cell
ceramic, metallic
Measuring range
from -5 … +5 mbar
(-0,5 ... +0,5 kPa)
to -200 … +200 bar
(-20000 ... +20000 kPa)
Process fitting
thread from G½, ½ NPT
flanges from DN 15, 1½"
hygienic fittings
Process temperature
-90 ... +400 °C
Deviation in characteristics (single sensor)
0,05%, 0,1%, 0,2%
Overview of sensors for electronic differential pressure measurement
Instrument type
Measuring range
Process temperature
Link
VEGABAR 81
-1 … +1000 bar
(-100 ... +100000 kPa)
Application area
The VEGADIF 65 with chemical seal CSS (single side assemply) is suitable for level and differential pressure measurement. Through the assembly of the chemical seal CSS, applications in corrosive, high viscosity and hot products can be realized.
Advantages
High chemical resistance through adapted diaphragm materials
Versatile solutions through individual configuration
Technical data
Measuring range
from -100 … +100 mbar (-10 … +10 kPa)
to -40 … +40 bar (-4000 … +4000 kPa)
Process fitting
flanges from DN 50, 2"
Process temperature
-40 … +400 °C

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