The document discusses VEGA's pressure measurement technologies and solutions. It describes VEGA as a leading supplier of pressure instrumentation that offers a wide variety of application-specific solutions. It highlights VEGA's core technologies like ceramic-capacitive measuring cells and metallic measuring cells. It also discusses VEGA's plics modular product concept that allows custom combinations of components to meet any pressure measurement need.
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Industrial Instruments for Food Beverage, Daily and Pharmaceutical Mr. FineTek
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Eta constant temperature and humidity test chamberMark Tung
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simulated environment for testing the heat resistance, cold resistance, dry resistance and humidity resistance of materials. Suitable for
electronics, electrical appliances, communications, instrumentation, vehicles, plastic products, metals, food, chemistry, building materials,
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We are manufacturers of water bath equipments in India
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VEGA The Yellow World Of Pressure Measurement - Technology Brochure
1. Technologies, solutions, applications
The yellow world of
pressure measurement
Tel: +44 (0)191 490 1547
Fax: +44 (0)191 4775371
Email: northernsales@thorneandderrick.co.uk
Website: www.heattracing.co.uk
www.thorneanderrick.co.uk
2. 2
Contents VEGA pressure instruments solve virtually any problem 3
Trendsetting pressure instrumentation 4
An overview of VEGA measurement technology 6
plics®
– easy is better 8
Pressure measurement in mechanical engineering 10
Differential pressure measurement in process engineering 12
Pressure measurement with ceramic-capacitive measuring cells 14
Pressure measurement with metallic measuring cells 16
Pressure measurement for hot and aggressive media 18
Level and water level measurement in demanding applications 20
Water level measurement with ceramic-capacitive measuring cells 22
3. 3
VEGA Grieshaber KG is a worldwide leading supplier of level, switching and
pressure instrumentation. This strong position was achieved through consistent,
targeted development of innovative and trendsetting products. In the area of
pressure measurement, VEGA offers a wide variety of application-specific solutions
for measuring process pressure, differential pressure and hydrostatic pressure.
Universally applicable
With its relative, absolute and differential
pressure transmitters, VEGA has solutions for
all pressure-related applications. Instruments
with diverse performance features are available
for liquids and gases, as well as abrasive and
corrosive media:
▪ Product temperatures up to +400 °C
▪ Process pressures up to +1,000 bar
▪ High vacuum resistance
▪ Vacuum and pressure impact resistant
▪ Deployable at up to 600 m depth in water
▪ Vibration and shock resistant
VEGA pressure instruments
solve virtually any problem
Pressure instrumentation
for all industries
Pressure transmitters from VEGA are hard at work
in the chemical and pharmaceutical industry, in
process and environmental engineering, in paper
and ceramics manufacture, in mining and primary
industries, in power generation, transport as well
as in the food and water/waste water sectors.
Applications in the marine and aerospace industries
round out their wide range of uses.
4. 4
Trendsetting pressure
instrumentation
Consistently the best technology
VEGA develops all of its pressure transmitters itself.
The assembly of circuit boards and the manufacturing
of CERTEC®
and METEC®
measuring cells, are carried
out at the VEGA plant. With plics®
instruments, envi-
ronmental concerns were also considered throughout
the entire value-added chain: from the choice of raw
materials to production and disposal.
Quality right from the start
In VEGA quality assurance, every individual measuring
cell is checked for a helium tightness of < 10-8
mbar · l/s
in the helium leak tester. This ensures that no leakages
can occur, which can lead to a malfunction. In addition,
every cell passes through a test run in the temperature
range -20 ... +100 °C, eliminating any temperature-
related malfunctions. Every production stage is checked
and documented and the traceability of every pressure
transmitter is guaranteed through its serial number.
All core technologies, like the ceramic-capacitive CERTEC measuring cell, are developed
at VEGA’s own facilities and all instruments are manufactured there as well. At the centre
of VEGA measurement technology is plics®
. This modular product concept allows individual
combinations of performance characteristics that empower plics®
instruments to fulfil
virtually any demand in the area of pressure measurement.
5. 5
Calibration of the
pressure transmitters
Calibration is decisive for the measuring precision of
the pressure transmitters. Highly involved calibration
procedures on DKD-certified test equipment guarantee
highest precision. The test benches as well as the test
software are made at VEGA’s own facilities. This allows
a fast and flexible reaction to customer-specific require-
ments. The calibration of every individual pressure
transmitter is confirmed by an inspection certificate.
Measuring cell production
in the clean room
In VEGA’s manufacturing process, the ceramic-
capacitive CERTEC®
measuring cells and the metallic
METEC®
measuring cells are produced under “clean
room class 100” conditions. In this dust-free atmo-
sphere, CERTEC®
measuring cells are printed in thick
film technology and fired. A glass solder bond joins
the base element and the ceramic diaphragm together
with a distance tolerance of max. +/-1 μm.
6. 6
Piezoresistive metallic measuring cell
with integrated overload diaphragm.
▪ Δp measuring range 0.01 ... 40 bar
▪ Temperature range -40 ... +120 °C
▪ Dynamic overload resistance
up to +630 bar
▪ Chemical seal single side assembly
(CSS)
▪ Chemical seal both side assembly
(CSB)
Applications include: filter
monitoring, flow measurement
and pressurized vessels.
Metallic measuring cell with Hastelloy
diaphragm and self-compensating
temperature characteristics.
▪ Measuring range -1 ... +25 bar
▪ Temperature range -12 ... +200 °C
▪ Elastomer-free
▪ Absolutely vacuum resistant
▪ Good thermal shock reaction
Applications include: the food
industry, corrosive chemical
products and bitumen storage.
Ceramic-capacitive measuring cell
of sapphire-ceramic®
with absolutely
front-flush diaphragm.
▪ Measuring range -1 ... +72 bar
▪ Temperature range -40 ... +150 °C
▪ Dry measuring cell
▪ Excellent long-term stability
▪ High overload and abrasion
resistance
Applications include: the pharma-
ceutical industry, paper production
and sewage treatment.
An overview of VEGA
measurement technology
CERTEC®
measuring cell
METEC®
measuring cell
Differential pressure
measuring cell
Ceramic
diaphragm
Glass joint
Ceramic
base element
PP
PV
Hastelloy
diaphragm
Medical
white oil
PP
CERTEC®
Ceramic
block
Stainless
steel base
element
Overload
diaphragm
PP
PP
Transmission oil
Measuring
diaphragm
Piezoresistive
sensor
Measuring
diaphragm
7. 7
Chemical seal system for
decoupling from high temperatures
or aggressive media.
▪ Measuring range -1 ... +250 bar
▪ Temperature range -40 ... +400 °C
▪ Wetted parts e.g. of high-grade
steel 316 L, Tantalum and Hastelloy
▪ Diaphragm coatings e.g.
of PA, PP, ceramic or gold
Applications include: the pharma-
ceutical and food industry, chemical
reactors and distillation columns.
Metallic thin film measuring cell in
very compact design. Dry measuring
cell with very high precision.
▪ Measuring range +25 ... +1,000 bar
▪ Temperature range -40 ... +105 °C
▪ Vacuum resistant
▪ Insensitive to condensed moisture
▪ Vibration and shock resistant
Applications include: hydraulics
technology, engine test benches
and gas compressor stations.
Piezoresistive metallic measuring
cell with FDA compliant oil filling.
▪ Measuring range -1... +16 bar
▪ Temperature range -40 ... +150 °C
▪ Low pressure ranges possible
▪ Insensitive to condensed moisture
▪ Elastomer-free
▪ Vacuum resistant
Applications include: the food
industry, water extraction and
power plant technology.
Piezoresistive
measuring cell
Thin film
measuring cell
Chemical seal
system
PP
PV
Stainless steel
diaphragm
Transmission oil
PP
Alloy
diaphragm
Measuring
bridge
PP
Pressure sensor
Transmission oil
Separating
diaphragm
8. 8
Hyg
plics®
– easy is better
Radar Ultrasonic Guided
microwave
VibrationCapacitive
Microwave
barrier
Process
pressure
Differential
pressure
Thread Flange Hygienic
fitting
Custom-
designed
Hydrostatic
Hygienic standards
Ship approvals
Explosion protection
Safety standards
Indicating and
adjustment module
Electronics
Housings
Process fittings
Sensor types
PLICSCOM VEGACONNECT
4 … 20 mA/
HART
Profibus PA Foundation
Fieldbus
Plastic AluminiumStainless steel
Aluminium
double chamber
Plastic
double chamber
Stainless steel
double chamber
Level switch
9. 9
Trendsetting measurement technology orientates itself around the people who use
it. That’s why we developed plics®
– the world’s first modular product system for
instrumentation. Every one of our sensors is custom built from plics®
components and
thus optimally fulfils the requirements of every industry and its specific applications.
Simpler planning with plics®
The free choice and combination of sensor, process
fitting, electronics and housing simplifies instrument
selection and engineering for use in machines and on
plants. With plics®
, cost reduction starts right at the
planning stage.
Clear advantages in plant construction
Short delivery time, uncomplicated connection, fast
setup and commissioning save the plant builder
significant time and costs. The configuration of VEGA
instruments, their wiring and their commissioning
is always the same. Whoever knows this can work
with any plics®
measuring principle and application
at any time.
Assistance for the user
plics®
delivers a convincing performance in daily
use due to its high operational reliability, simplified
servicing and reduced spares stock through the
use of many common parts. The consistency of
technology and operation simplifies and accelerates
working with different plics®
instruments. Adjustment
always follows the same menu-driven procedures
and is carried out on PLICSCOM, alternatively using
PC based adjustment software for set up on-plant,
or via the control room.
Simple instrument adjustment via PC and
control system with FDT/DTM technology
FDT/DTM technology is a manufacturer independent
description technology for field instruments. Even the
most complex field instruments can be operated as
easily with mobile laptop computers and PCs as with
the current engineering and operating environments
of control systems. With DTMs the sensors are config-
urable down to the last detail and important adjustments
can be carried out easily and quickly.
Configuration and parameter adjustment
with PACTware
As a system-independent operating system for
DTMs, PACTware is the first choice at VEGA
and at many other field device manufacturers.
As a free-of-charge, manufacturer independent
configuration software, PACTware coordinates the data
interchange with communication-capable field instru-
ments. In practice this means: one single software with
an all-encompassing user interface allows adjustment
and operation of all plics®
instruments.
10. 10
VEGABAR 14
Pressure measurement in
mechanical engineering
Adapted and robust:
VEGABAR 14 and VEGABAR 17
These compact sensor models are the ideal
combination for applications in mechanical
engineering, as they complement one another in
their features. The ceramic-capacitive CERTEC®
measuring cell in VEGABAR 14 and the metallic
measuring cell in VEGABAR 17 offer a wide
variety of potential solutions.
▪ Ceramic-capacitive
CERTEC®
measuring cell
▪ Measuring range -1 … +60 bar
▪ Temperature range -40 … +100 °C
▪ Measurement deviation < 0.3 %
▪ Response time < 30 ms
▪ Output signal 4 … 20 mA
Monitoring a chlorine/water pump
VEGABAR 14 with PVDF connection makes reliable
pressure measurement possible in chlorinated water,
seawater and brine.
▪ Acid and chloride resistant PVDF plastic
▪ Double seal for increased reliability
▪ Vacuum and pressure impact resistant
Compressed air monitoring
Monitoring of the compressed air tank and the pressure
lines of tools and machinery with VEGABAR 14.
▪ Process fittings of 316 L
▪ Small compact design
▪ Highly overload-resistant ceramic measuring cell
11. 11
VEGABAR 17 Technology highlight:
Pressures up to 1,000 bar
The service-proven metallic thin film
measuring cell can handle measuring
tasks reliably up to +1,000 bar and, when
equipped with a cooling element, can
also operate in product temperatures
up to +150 °C.
Feed pressure control in viscous media
VEGABAR 17 measures process pressure in hot or
viscous media.
▪ Buildup resistant through front-flush diaphragm
▪ High temperature resistance up to +150 °C
▪ Compact design
▪ Front-flush process fittings from ½" thread
Measurement on the engine test bench
VEGABAR 17 measures dynamically and accurately the
pressure of exhaust fumes, oil, fuel and combustion air
on an engine test bench.
▪ Ex approval
▪ Vibration and impact resistant
▪ Process fittings from ¼" thread
▪ Metallic measuring cell
(piezoresistive or thin film)
▪ Measuring range -1 … +1,000 bar
▪ Temperature range -40 … +150 °C
▪ Measurement deviation < 0.5 %
▪ Response time < 10 ms
▪ Output signal 4 … 20 mA
12. 12
VEGADIF 65
▪ Piezoresistive differential
pressure transmitter
▪ Δp measuring range 0.01 … 40 bar
▪ Temperature range -40 … +120 °C
▪ Measurement deviation < 0.075 %
▪ Output signal:
4 … 20 mA, 4 … 20 mA/HART,
Profibus PA, Foundation Fieldbus
Monitoring of filtration systems
The effectiveness of a filtration system depends on
the permeability of the filter. VEGADIF 65 detects the
level of buildup in a filtration system with no difficulty,
because it can measure even the smallest pressure
difference between filter inlet and outlet.
▪ For liquid and gaseous media
▪ Front-flush chemical seal assemblies
▪ Chemical seal mounting as
of measuring range 100 mbar
Density measurement in a fruit juice tank
The differential pressure transmitter VEGADIF 65
also enables the density measurement of fruit juice.
A change of medium density causes a change of
differential pressure, which is easily detected by the
calibrated instrument.
▪ Hygienic, front-flush process fittings
▪ Independent of superimposed pressures
Universal and service proven:
VEGADIF 65
Hardly any other measuring principle is as versatile
as differential pressure technology. Along with regular
and differential pressure measurement, level, flow
and density measurement can also be realized with
it. The basis for this precise and stable measurement
is the metallic, highly overload resistant differential
pressure measuring cell.
Differential pressure measurement
in process engineering
13. 13
Technology highlight:
For use under the toughest conditions
VEGADIF can be supplied with remote electronics in a housing separate
from the sensor. The housing with indicating and adjustment module is simply
installed in a safe area. Expensive capillary fittings and impulse pipes in the
field can thus be dispensed with.
Quantity measurement of combustion air
The throughput of combustion air can be measured with
the VEGADIF 65 via the differential pressure drop across
a measuring orifice.
▪ Δp measuring range 0 … 10 mbar
▪ Direct mounting on the effective DP flow element
▪ Overload resistant up to +630 bar
▪ Shut-off valves for impulse lines available
as accessories
Level measurement in a reactor
The differential pressure transmitter VEGADIF 65
also measures the level reliably in pressurized
vessels containing foam-generating products.
▪ Product temperature -40 … +400 °C
▪ Simple and reliable measurement
▪ Chemical seal coatings of PA, PP, ceramic or gold
14. 14
VEGABAR 52
Pressure measurement with
ceramic-capacitive measuring cells
Versatile and robust:
VEGABAR 52 and VEGABAR 54
The instrument models VEGABAR 52 and
VEGABAR 54, with oil-free ceramic-capacitive
CERTEC®
measuring cell, are characterised by their
high abrasion and pressure shock resistance, as
well as their self-monitoring measuring cell. Both
models can be delivered with any standardized,
industry-specific process fitting.
▪ Ceramic-capacitive CERTEC®
measuring cell
▪ Measuring range -1 … +72 bar
▪ Temperature range -40 … +150 °C
▪ Measurement deviation < 0.075 %
▪ Output signal:
4 … 20 mA, 4 … 20 mA/HART,
Profibus PA, Foundation Fieldbus
Monitoring sewage pumps
VEGABAR 52 measures the feed pressure in sewage
pipes. The robust ceramic, front-flush measuring cell is
resistant to abrasion from foreign objects, grit and mud.
▪ Insensitive to pressure and vacuum shocks
▪ Vibration proof and highly resistant to abrasion
▪ Buildup not possible due to front-flush diaphragm
▪ Self-monitoring ceramic measuring cell
Batch vessels in the
pharmaceutical industry
Level and gauge pressure are measured by means
of two VEGABAR 52 pressure transmitters.
▪ Absolutely front-flush diaphragm
▪ Vacuum and overload resistant
▪ Self-monitoring ceramic measuring cell
▪ Increased reliability through double seal
15. 15
VEGABAR 54
▪ Ceramic-capacitive CERTEC®
measuring cell
▪ Measuring range -1 … +72 bar
▪ Temperature range -40 … +120 °C
▪ Measurement deviation < 0.1 %
▪ Output signal:
4 … 20 mA, 4 … 20 mA/HART,
Profibus PA, Foundation Fieldbus
Technology highlight:
CERTEC®
measuring cell
The ceramic-capacitive CERTEC®
measuring cell of SapphireCeramic®
is
one of the most mechanically robust and
dynamically resilient pressure measuring
cells in existence. Its extremely high
purity, 99.9% Al2
O3
, guarantees high
chemical and abrasive resistance.
Bleaching tower
in the paper industry
Mounted with a ball valve fitting, the VEGABAR 54 with
ceramic cell measures the level reliably to prevent the
extraction pump from running dry.
▪ Installation and removal without emptying the vessel
▪ Front-flush installation in ball valve fitting
▪ Abrasion and pressure impact resistant
Vacuum monitoring
in a distillation column
To raise product quality and save energy, distillation
columns are frequently operated under high vacuum.
VEGABAR 54 monitors the underpressure up to
absolute vacuum.
▪ Measurement up to absolute vacuum
▪ Dry ceramic measuring cell
▪ Increased reliability through double seal
16. 16
VEGABAR 53
Pressure measurement
with metallic measuring cells
Elastomer-free and completely welded:
VEGABAR 53
VEGABAR 53 handles measurement tasks reliably in
systems with high process pressures or in processes
where an elastomer-free seal is required. In the pharma-
ceutical and food industry, there are versions available
that can handle product temperatures and the necessary
cleaning processes up to +150 °C and have an FDA
compliant oil filling.
Pipeline pressure in a dairy
The high hygienic standard in milk processing makes
frequent CIP and SIP cleaning cycles necessary. Extreme
temperature fluctuations in the pipes can encourage
condensate formation in the housing. VEGABAR 53
measures reliably even under these conditions.
▪ CIP and SIP capable metallic measuring cell
▪ Insensitive to condensed moisture
▪ Stainless steel housing in IP 66/IP 67 and IP 68
Steam pressure measurement
in a steam drum
Steam is produced in the vapour drum and introduced
into the process. A VEGABAR 53 monitors the permissible
steam pressure. By means of a siphon, steam pressure
can be measured at temperatures above +200 °C.
▪ Maximum direct temperature up to +150 °C
▪ Fully welded measuring cell
▪ Diffusion and vacuum resistant
▪ Metallic measuring cell
(piezoresistive or thin film)
▪ Measuring range -1 ... +1,000 bar
▪ Temperature range -30 ... +150 °C
▪ Measurement deviation < 0.1 %
▪ Output signal:
4 … 20 mA, 4 … 20 mA/HART,
Profibus PA, Foundation Fieldbus
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Monitoring hydraulic feed pumps and
product pipelines
VEGABAR 53 reliably measures the control pressures
of hydraulic pumps as well as the feed pressures of
product pipelines.
▪ Measuring range up to +1,000 bar
▪ Particularly vibration and shock resistant
▪ Front-flush diaphragm of high resistance alloy 2.4711
Gas pressure measurement
The pressure in LNG tanks must be monitored
continuously. The gas is cooled by refrigeration
and transported at low temperature and pressures
of typically -163 °C and +250 mbar. Tank pressure
monitoring is carried out with a VEGABAR 53.
▪ Insensitive to condensed moisture
▪ Elastomer-free process fitting
▪ Shut-off valves available as accessories
Technology highlight: Piezo and thin film technology
Piezoresistive measuring cells can handle pressures up to +16 bar and product
temperatures up to +150 °C, and therefore represent an ideal solution for the food
industry, while metallic thin-film measuring cells cover measuring ranges up to
+1,000 bar for the area of hydraulics applications.
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VEGABAR 51
Pressure measurement
for hot and aggressive media
Versatile and hard-wearing:
VEGABAR 51 and VEGABAR 55
The pressure transmitters VEGABAR 51 and
VEGABAR 55 stand out due to their high application
versatility. A wide variety of diaphragm materials
and coatings make VEGABAR 51 the basic instru-
ment for the chemical and petrochemical industry.
VEGABAR 55, with its specially developed METEC®
measuring cell, offers solutions for the pharma-
ceutical, chemistry and food industries.
▪ Chemical seal system
▪ Measuring range -1 ... +250 bar
▪ Temperature range -40 ... +400 °C
▪ Measurement deviation < 0.1 %
▪ Output signal:
4 … 20 mA, 4 … 20 mA/HART,
Profibus PA, Foundation Fieldbus
Process pressure in a reactor
For safety reasons, the excess pressure arising in the
process must be monitored continuously. VEGABAR 51
is the versatile solution for all products.
▪ Application temperatures up to +400 °C
▪ High-resistance diaphragm materials
▪ Large selection of flange and hygienic connections
Flue gas measurement
in waste incineration
The flue gas in a flue gas scrubber is hot and highly
corrosive. VEGABAR 51 measures the pressure of the
exhaust fumes reliably.
▪ Highly chemically resistant metallic diaphragm
of e.g. tantalum
▪ Very small measuring ranges of 0 ... +400 mbar
▪ Wide variety of flange and tube versions
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VEGABAR 55
▪ Metallic METEC®
measuring cell
▪ Measuring range -1 ... +25 bar
▪ Temperature range -12 ... +200 °C
▪ Measurement deviation < 0.075 %
▪ Output signal:
4 … 20 mA, 4 … 20 mA/HART,
Profibus PA, Foundation Fieldbus
Level measurement
in a bitumen tank
In asphalt mixing systems, bitumen is kept ready
at temperatures between +150 °C and +200 °C.
A VEGABAR 55 measures the level reliably here.
▪ Metallic METEC®
measuring cell with
self-compensating temperature characteristics
▪ Application temperatures up to +200 °C
▪ High resistance diaphragm of alloy C276
▪ Thread and flange versions
Level measurement in a dairy
Milk is stored in storage tanks at a temperature of
approx. +4 °C. Extreme conditions occur inside the
tanks during cleaning cycles, VEGABAR 55 is well
suited to handle level measurement here.
▪ Very good thermal shock reaction
▪ Hygienic, front-flush process fittings
(CIP and SIP capable)
▪ Insensitive to condensed moisture
▪ Numerous process fittings for the food industry
Technology highlight:
Self-compensating
temperature characteristics
The self-compensating temperature
characteristics of VEGABAR 55 provides
uncommonly high measuring precision.
The instrument guarantees a maximum
measurement error of < 1% in the
temperature range of -12°... +200 °C.
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VEGABAR 66
Level and water level measurement
in demanding applications
Solutions with a ceramic
or metallic measuring cell
The suspension pressure transmitters VEGABAR 66 and
VEGABAR 67 are the optimal solution for all critical level
and water level measurements, such as in food vessels,
highly ionized water or in sewers. VEGABAR 66 stands
out due to its abrasion resistance and numerous plastic
options. VEGABAR 67, with its gap-free tube version of
stainless steel and metallic METEC®
measuring cell, lends
itself especially well to use in food vessels.
▪ Ceramic-capacitive CERTEC®
measuring cell
▪ Measuring range +0.1 ... +25 bar
▪ Temperature range -20 ... +100 °C
▪ Measurement deviation < 0.1 %
▪ Output signal:
4 … 20 mA/HART, Profibus PA,
Foundation Fieldbus
Level measurement
in fully de-ionized water
VEGABAR 66 for level measurement in highly purified
water: the sensor is protected from the highly ionized
water by a PVDF body and ceramic measuring cell.
▪ High chemical stability through metal-free materials
▪ Application temperatures up to +80 °C
▪ Increased reliability through double seal
Level measurement in a sluice
To control a sluice, the level inside, in front
and behind the sluice basin is measured with
a VEGABAR 66.
▪ Absolutely front-flush diaphragm
▪ Insensitive to corrosion
▪ Self-monitoring ceramic measuring cell
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VEGABAR 67
▪ Metallic METEC®
measuring cell
▪ Measuring range +0.1 ... +25 bar
▪ Temperature range -12 ... +100 °C
▪ Measurement deviation < 0.1 %
▪ Output signal:
4 … 20 mA/HART, Profibus PA,
Foundation Fieldbus
Level measurement in the sewage shaft
The maintenance-free suspension pressure transmitter
VEGABAR 66 reliably detects the water level in a
sewage shaft.
▪ Absolutely front-flush and abrasion resistant ceramic
measuring cell
▪ Insensitive to condensed moisture
▪ No buildup and sticking of foreign material
Level measurement
in yoghurt production
The level in the batch mixing tank is measured with
a VEGABAR 67 suspension pressure transmitter.
▪ Rigid tube version of stainless steel
with material certificate
▪ Elastomer and gap-free
▪ Cleaning temperature up to +120 °C
▪ High resistance diaphragm of alloy C276
Technology highlight:
Condensation-proof
measurement
The climate-compensated electronics
module allows application of the measuring
cell even under the extreme influence of
condensation. Equipped with two absolute
pressure measuring cells, the instrument
itself is insensitive to environmental
moisture and offers highest reliability.
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VEGAWELL 52
Water level measurement with
ceramic-capacitive measuring cells
Compact and reliable: VEGAWELL 52
With its multitude of cable and housing materials, the
suspension pressure transmitter VEGAWELL 52 can
take on virtually any task in water level measurement.
The front-flush CERTEC®
measuring cell is abrasion
resistant and chemically stable in sewage and
saltwater. The high pressure shock resistance protects
the instrument from the effects of breaking waves and
debris of the measured medium.
Control of groundwater pumps
VEGAWELL 52 is insensitive to water shocks and is well
protected against EMC radiation from high-performance
pumps.
▪ Maintenance-free and reliable
▪ Front-flush diaphragm offers protection
against deposits
▪ Long-term stability better than 0.1%/2 years
▪ Self-monitoring ceramic measuring cell
Ballast water measurement on ships
VEGAWELL 52 measures the contents of the ballast
tanks to the millimetre and provides exact information
for correcting the ship’s attitude.
▪ Resistant to overload from breaking waves
▪ Housing material 1.4462 (duplex) and double
sealing protect against corrosion
▪ Resistant to abrasion from crustacea and sand
▪ Linearization for vessel shape
▪ Ceramic-capacitive CERTEC®
measuring cell
▪ Measuring range 0 ... 600 mH2
O
▪ Temperature range -20 ... +80 °C
▪ Measurement deviation < 0.1%
▪ Output signal:
4 … 20 mA, 4 … 20 mA/HART + Pt100
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Flow rate measurement in a weir spillway
Overflow measurement in the weir is carried out with
a VEGAWELL 52 suspension pressure transmitter.
▪ Simple adjustment and measured value indication
with the indicating and adjustment module
VEGADIS 62
▪ Pump control in conjunction with VEGAMET 391
▪ Long-term stable ceramic measuring cell
▪ Insensitive to abrasion
Level measurement in an oil tank
The hydrostatic pressure transmitter VEGAWELL 52
can also accurately measure the level of oils and fuels.
▪ Oil-proof elastomer seals and cable materials
▪ Simple adjustment and measured value
indication with the indicating and adjustment
module VEGADIS 62
▪ Self-monitoring ceramic measuring cell
Technology highlight:
Immersion probe 600 metres deep in water
The immersion probe of the suspension pressure transmitter VEGAWELL resists
ambient pressures up to +60 bar and can therefore be immersed in water down
to a depth of 600 m. Additionally, every VEGAWELL version is equipped with an
integrated overvoltage protection system that protects the device from lightning
strikes and electrical surges.