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VEGA Grieshaber KG
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Specification sheet Two-wire 4 … 20 mA Pressure sensor with ceramic measuring cell Technical data Measuring ranges -1 … +25 bar/-100 … +2500 kPa (-14.5 … +300 psig) Smallest measuring range +0.1 bar/+10 kPa (+1.45 psig) Deviation < 0.5 % Output signal 4 … 20 mA Process fitting Thread from G½, ½ NPT Process temperature -40 … +100 °C (-40 … +212 °F) Ambient, storage and -40 … +70 °C (-40 … +140 °F) transport temperature Operating voltage 12 … 35 V DC Materials The wetted parts of the instrument are made of 316L as well as sapphire-ceramic®. The process seal is available in FKM. You will find a complete overview of the available materials and seals in the "Configurator" at www.vega.com and "VEGA Tools". Application area Housing versions The pressure transmitter VEGABAR 18 ensures reliable plant operation and improved process safety by accurately measuring the measured values of gases, vapours and liquids. The housing is equipped with plug connectors acc. to ISO 4400 or M12 x 1. It is available with protection ratings up to IP66/IP67. Your benefit Electronics versions • Low-cost version with very small mounting dimensions The instrument has a 4 … 20 mA signal output. • High plant availability through maximum overload and vacuum resistance of the ceramic measuring cell Electrical connection Function The heart of the pressure transmitter is the pressure measuring cell transforming the pressure into an electrical signal. This pressuredependent signal is convereted by the integrated electronics into a standardized output signal. Sensor element is the ceramic CERTEC® measuring cell with excellent long-term stability and high overload resistance. Wiring plan - two-wire 4 … 20 mA - M12 x 1 plug 1 Voltage supply and signal output Wiring plan - two-wire 4 … 20 mA - plug according to ISO 4400 1 Voltage supply and signal output You can find details on electrical connection in the instrument operating instructions at www.vega.com/downloads.
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Specification sheet 1 Thread G½ (EN 837), manometer connection 2 Thread ½ NPT, inside ¼ NPT (ASME B1.20.1) 3 Thread G½, inside G¼ (ISO 228-1) Information You can find further information on the VEGA product line on our homepage. In the download section on our homepage you'll find free operating instructions, product information, brochures, approval documents, instrument drawings and much, much more. Instrument selection On our homepage under "Products" you can select the suitable measuring principle and instrument for your application. You can find detailed information on the instrument...
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