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Brand: VEGA
VEGA VEGABAR 86 Submersible Slave Sensor Ceramic Cell
Description
A front-flush ceramic submersible slave for electronic level and DP
The VEGABAR 86 is a submersible pressure transmitter used as the slave in an electronic differential-pressure system with a VEGABAR 80 series master. Cable and tube versions let it hang into a vessel or sump, where the front-flush ceramic CERTEC cell gives a self-cleaning effect. VEGA lists the pairing for gauge difference, level with superimposed pressure or vacuum, flow, density and interface measurement, and stresses high plant availability from the overload- and vacuum-resistant ceramic cell and low maintenance cost from its wear-free design.
Technical specifications
| Parameter | Specification |
|---|---|
| Type | VEGABAR 86 submersible slave sensor, ceramic cell, for electronic differential pressure |
| Measuring range | +0.1…+25 bar (+10…+2500 kPa); smallest span 0.025 bar (0.363 psig) |
| Deviation | < 0.1 %; < 0.15 % for the complete chain |
| Process fitting | Straining clamp, threaded fitting, thread G1½ / 1½ NPT, flanges from DN 32 / 1½” |
| Process temperature | -20…+100 °C (-4…+212 °F) |
| Ambient, storage, transport | -40…+80 °C (-40…+176 °F) |
| Voltage supply | Through the master sensor |
| Materials | 316L or PVDF transmitter; seals FKM, FFKM or EPDM; PE suspension cable |
| Housing | Single chamber, plastic, aluminium or stainless steel; up to IP68 (25 bar) with external electronics, IP69K |
| Master electronics | 4…20 mA/HART, Profibus PA, Foundation Fieldbus |
Level with superimposed pressure
When a tank is under gas pressure or vacuum, a single hydrostatic probe reads liquid head plus gas pressure. Pairing the VEGABAR 86 at the bottom with a master at the top lets the electronics subtract the two, so the display shows the true liquid height. VEGA’s sheet gives the smallest span as 0.025 bar, which is fine enough for shallow tanks and low-density liquids. The cable and tube versions give flexibility to hang the probe into narrow nozzles and long vessels.
Choosing the 86 or the 87
The VEGABAR 87 uses a metallic Alloy C276 diaphragm and an FEP cable for hotter liquids and viscous products in chemical, food and pharmaceutical plants, while the 86 uses the ceramic cell with PE cable and 316L or PVDF body for water-based and abrasive liquids. Tell us the medium, temperature, cable length and master type, and confirm the fitting and the Ex or ship approvals with VEGA before ordering.
The product information also notes that housings are available up to IP68 (25 bar) with external electronics and IP69K, so the master housing can sit above flood level while the slave hangs in the liquid. The ceramic cell is front-flush, which VEGA says creates a self-cleaning effect, and PVDF versions are listed beside 316L where chemicals or brine attack stainless steel. Cable length, cable gland and the strain relief at the vessel entry are part of the configuration, and suspension of the slave should avoid swinging in an agitated tank.
Documents and quotation
The official VEGA VEGABAR 86 (slave sensor) specification sheet (46171-EN, version 160512) is attached to this page for download and covers the technical data, dimensions and wiring summarised above.
Share the application details with our sales desk in Muscat and we will match them to the right variant and prepare a quote. Seven Star LLC supplies these instruments as an independent company, not as the manufacturer’s agent; see our level instrumentation category for related products. Please confirm approvals, cable length and fitting against the manufacturer’s data before ordering.
Datasheets & Documents
- Datasheet VEGA VEGABAR 86 Specification Sheet (46171-EN) Download
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About brand
VEGA is a German maker of level and pressure instruments. Bruno Grieshaber founded the company in 1959 in Triberg in the Black Forest, and it has been based in Schiltach since 1975, still family owned as VEGA Grieshaber KG. VEGA is best known for radar level sensors: it introduced the first two-wire radar level sensor in 1997 and the first 80 GHz radar sensor for bulk solids, the VEGAPULS 69, in 2015.
Seven Star LLC is an independent supplier listing VEGA radar and guided wave radar transmitters, point level switches, pressure transmitters and signal conditioning instruments for buyers in Oman and the GCC. Sensors are matched from the product code on the type label.
VEGA at a glance
| Origin | Founded by Bruno Grieshaber in 1959 in Triberg, Germany |
|---|---|
| Headquarters | Schiltach, Black Forest, Germany (since 1975) |
| Ownership | Family-owned company: VEGA Grieshaber KG |
| Milestones | First two-wire radar level sensor (1997), first 80 GHz radar for bulk solids, VEGAPULS 69 (2015), VEGAPULS 6X single radar platform for liquids and solids |
| Product families | VEGAPULS radar, VEGAFLEX guided wave radar, VEGASWING and VEGAPOINT switches, VEGACAL capacitive probes, VEGABAR and VEGADIF pressure, VEGAMET and VEGADIS signal conditioning |
VEGA sensor and instrument series
| Series | Type | Typical use |
|---|---|---|
| VEGAPULS 6X, VEGAPULS 69, VEGAPULS 64 | Process radar level transmitters (80 GHz) | Storage and process tanks, reactors with agitators, silos and bulk solids |
| VEGAPULS 11, 21, 31, 42 | Compact radar sensors | Water and wastewater, simple storage tanks; VEGAPULS 42 with IO-Link for machine integration |
| VEGAPULS C 21, C 11, C 22, C 23 | Radar sensors with fixed cable, IP68 | Wet wells, pumping stations, open channels and river levels |
| VEGAFLEX 81, 82, 83, 86 | Guided wave radar (TDR) | Level and interface in liquids, bulk solids, hygienic and high-temperature or high-pressure service (VEGAFLEX 86) |
| VEGASWING 61, 63, VEGAPOINT 21 | Vibrating and capacitive point level switches | Overfill protection, dry-run protection and high or low level alarms |
| VEGACAL 62 to VEGACAL 67 | Capacitive rod and cable probes | Point and continuous level in solids and conductive or adhesive liquids |
| VEGABAR 82, 83, 28, 29, 38 | Pressure transmitters, ceramic or metallic cell | Process pressure and hydrostatic level; compact 18/19 and 28/29/38 versions for utilities |
| VEGADIF 85 | Differential pressure transmitter | DP flow, filter monitoring and level in pressurised vessels |
| VEGAMET 841, VEGADIS 176 | Controller and loop display | Level display, pump control and remote indication of 4-20 mA signals |
Where VEGA instruments are used
VEGA radar sensors measure level in crude oil and product tanks, separators, chemical reactors, cement and aggregate silos, grain stores and water reservoirs. Compact cable radars are widely used in wastewater pumping stations and flood monitoring. Because 80 GHz radar focuses a narrow beam, it can measure past internal structures in a tank, and it is not affected by the temperature, pressure or vapour above the product, which suits hot Gulf storage tanks.
Ordering VEGA instruments: what we need
The product code on the type label (for example PS64.XXXXXXX) fixes the measuring range, antenna or probe, process connection, electronics and approvals. Send it with the serial number. For a new measurement add the medium and its dielectric constant if known, tank or silo height and internals, process pressure and temperature, process connection, output (4-20 mA HART, PROFIBUS PA, Modbus or IO-Link), and any hazardous-area or overfill protection approval required.
Facts checked against VEGA company and product information, October 2026.
Browse VEGA products by category: Level Transmitter, Pressure Instrumentation, Controllers and Data Acquisition.
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Frequently Asked Questions
What is the VEGABAR 86?
A submersible ceramic-cell slave sensor for electronic differential pressure used with a VEGABAR 80 series master.
How fine is the smallest span?
0.025 bar (0.363 psig).
What accuracy is stated?
Below 0.1 %, and below 0.15 % for the complete measuring chain.
What process temperature applies?
-20 to +100 °C.
What is the cable material?
PE suspension cable according to the sheet.
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