VEGA VEGAFLEX 83 TDR sensor for continuous level and interface measurement of liquids

$1,780.00

The VEGAFLEX 83 TDR Sensor delivers accurate continuous level and interface measurement for liquids. It uses Time Domain Reflectometry (TDR) to ensure stable performance, even in demanding process conditions.

This sensor performs especially well in multi-phase applications, such as oil and water separation. In addition, it handles high temperatures, pressure variations, and aggressive media with ease. Because of its robust design, it is widely used in chemical, oil & gas, and process industries.

Not Recommended For:
• Applications with heavy foam or strong buildup
• Media with very low dielectric constant

VEGAFLEX 83 TDR sensor for continuous level and interface measurement of liquids

Selection Notes

Measurement Type: The VEGAFLEX 83 is ideal for continuous level and interface measurement. It is especially suitable for multi-phase liquids.

Process Conditions: It operates reliably under high temperature and pressure. However, always confirm your exact process limits before selection.

Probe Selection: Choose the correct probe type (rod or cable) and length based on tank height and installation conditions. This improves measurement stability.

Medium Properties: The liquid must have a sufficient dielectric constant for proper signal reflection.

Installation Position: Ensure proper mounting to avoid internal obstructions or false reflections.

Why Choose the VEGAFLEX 83

Precise TDR Measurement
The VEGAFLEX 83 uses TDR technology to measure level and interface accurately. It calculates the signal reflection time to deliver stable and repeatable results.

Optimized for Interface Measurement
It reliably detects interfaces such as oil and water. Therefore, it is ideal for separators, storage tanks, and process vessels.

Strong Performance in Harsh Conditions
The sensor works well in high temperatures, high pressures, and aggressive media. As a result, it meets the needs of demanding industries.

Flexible Probe Options
You can select rod or cable probes based on your application. This flexibility simplifies installation and improves adaptability.

Low Maintenance Design
The device has no moving parts, which reduces wear. In addition, it ensures long-term stable operation with minimal maintenance.

FAQ

Q: What applications is the VEGAFLEX 83 best for?
A: It is ideal for level and interface measurement in industries such as oil & gas, chemical processing, and storage tanks with multi-phase liquids.

Q: How does TDR technology work?
A: The sensor sends electromagnetic pulses along the probe. When the signal reaches a boundary, it reflects back. The device calculates the level based on the travel time.

Q: Can it measure oil and water interface?
A: Yes. The VEGAFLEX 83 accurately measures interfaces like oil and water, even under challenging conditions.

Q: Is it suitable for high-temperature environments?
A: Yes. It is designed for high-temperature and high-pressure applications, ensuring reliable performance.

Measuring range - Distance

75 m [Meter – Foot]

Process temperature

-196 … 450 °C [°C – °F]

Process pressure

-1 … 400 bar [Bar – kPa – psi]

Accuracy

± 2 mm

Version

Coax version ø 21.3 mm with multiple hole
Coax version ø 42.2 mm with single hole
Coax version ø 42.2 mm with multiple hole
Exchangeable rod ø 16 mm
Exchangeable cable ø 2 mm with gravity weight
Exchangeable cable ø 4 mm with gravity weight
Exchangeable cable ø 2 mm with centering weight
Exchangeable cable ø 4 mm with centering weight

Materials, wetted parts

316L
Alloy C22 (2.4602)
316

Flange connection

≥ DN25, ≥ 1"

Seal material

FFKM
graphit and ceramic

Housing material

Plastic
Aluminium
Stainless steel (precision casting)
Stainless steel (electropolished)

Protection rating

IP66/IP68 (0,2 bar)
IP66/IP67
IP66/IP68 (1 bar)

Output

Profibus PA
Foundation Fieldbus
Two-wire: 4 … 20 mA/HART
Modbus
Four-wire: 4 … 20 mA/HART

Ambient temperature

-40 … 80 °C

Scope

ATEX / Europe
CSA / Canada
FM / USA
EAC (GOST) / Belarus
EAC (GOST) / Kazakhstan
EAC (GOST) / Russia
IEC / worldwide
NEPSI / China
UKR Sepro / Ukraine
INMETRO / Brazil
CCOE / India
UKEX

Explosion protection

Intrinsic safety "i"
Flameproof enclosure "d"
Dust ignition protection "t"

Ship approval

ABS
BV
CCS
DNV
LR
NK
RINA

Overfill protection

WHG
VLAREM II

SIL qualification

SIL2

Adjustment

PLICSCOM
PC, PACTware and DTM
HART-Communicator
Software (e. g. AMS™, PDM)

Steam boiler approval

EN12952-11, EN12953-9

Threaded connection

≥ G¾, ≥ ¾ NPT

Indication

Display/adjustment module PLICSCOM
VEGADIS 81
VEGADIS 82

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