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Datasheet generated 2026-10-07
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VEGA pressure sensor with metallic measuring cell

VEGA · Sensors & Instrumentation · Pressure Transmitters · Germany · vega.com
Part Number
VEGABAR 29  ·  HS 9026.20
VEGA pressure sensor with metallic measuring cell

VEGA VEGABAR 29 process pressure sensor with switching function and metallic (piezoresistive) measuring cell, for gases, vapours and liquids. Wide measuring range -1. +1000 bar with smallest range 0.4 bar and accuracy deviation < 0.3 %, suiting high-pressure hydraulic and process duties. Operating voltage 12. 35 V DC with integrated reverse-voltage protection; output as 4. 20 mA two-wire, three-wire transistor or IO-Link. Coloured 360° LED switching-status ring and Bluetooth adjustment. Available with M12 x 1 plug or direct cable outlet to IP66/IP68 (0.5 bar)/IP69. Supplied as a VEGA configured item; confirm the order code for your exact range, fitting and electronics.

Technical Specifications

TypeVEGA VEGABAR 29
Measuring principlemetallic process diaphragm, piezoresirigide (transmission-liquid system to 100 bar; strain-gauge dry system above 250 bar)
Mediagases, vapours and liquids
Measuring range-1 ... +1000 bar / -100 kPa ... +100 MPa
Smallest adjustable range0.4 bar / 40 kPa
Accuracy (deviation)< 0.3 %
Process temperature-40 ... +100 °C (metallic cell; higher with strain-gauge high-pressure versions)
Process fittingthread connections; optional hygienic adapters
Operating voltage12 ... 35 V DC, integrated reverse-voltage protection
Signal output4 ... 20 mA two-wire; three-wire 1 x transistor or 4 ... 20 mA; three-wire with IO-Link
Indication/adjustmentcoloured 360° LED switching-status ring; Bluetooth adjustment (VEGA Tools app)
Electrical connectionM12 x 1 plug or direct cable outlet
Degree of protectionIP66/IP67 (plug); IP66/IP68 (0.5 bar)/IP69 (cable)
Standards/communicationIO-Link
ApprovalsCE (optional ATEX/IECEx Ex versions available)

Properties

MaterialMetallic process diaphragm (316L); piezoresistive sensor element
Pressure rating-1 ... +1000 bar
Temperature range-40 °C to +100 °C (version-dependent)
IP ratingIP66/IP68 (0.5 bar)/IP69
MOQ1

Compatibility

Metallic measuring cell suits high-pressure and hydraulic duties. Select measuring range, process fitting and output to suit the application; confirm temperature rating for high-pressure dry versions.

Standards

Approvals

Attached Documents