NAG VEGADIF - Model 85 -Differential Pressure Indicator

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The VEGADIF 85 Differential Pressure Transmitter uses a metallic measuring cell as the sensor element. The process pressures are transmitted via the separating diaphragms and an oil filling to a resistance measuring bridge, using semiconductor technology. It is a universal differential transmitter for measurement of liquids, gases, and vapors. This instrument is currently installed on autonomous vessels. Common applications include differential pressure measurements of filters and pumps as well as level measurements in pressure vessels.

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High reliability through integrated overload diaphragm
Measurement of extremely small differential pressures through high precision measured value detection
Versatile use through a variety of measuring ranges and process fittings
IP68 versions are available for extremely moist areas

Process Measuring Range:

0.01 to 16 bar
+1 to +1600 kPa
+0.145 to +232 psig

Process Temperature: Basic Version: -40 °C to 85 °C w/ Chemical Seals: -40 °C to 400 °C
Process Pressure: -1 to 400 bar / -100 to 40,000 kPa / -14.5 to +5802 psig
Accuracy: 0.065%
Smallest Adjustable Span: 1 mbar / 100 Pa / 0.015 psig
Process Fitting: Threaded:

1/4-18 NPT according to IEC 61518
Flanges and Hygenic Fittings: DN 32 or 2”

Ambient, Storage, and Transport temperature: -40 °C to 80 °C / -40 °F to +176 °F

Materials

Process Flanges: Stainless Steel 316L , Alloy 276 , Superduplex
Process Diaphram: 316L , Alloy C276, Tantalum
Housing Material: Plastic , aluminum , stainless steel
Enclosure Rating: IP 68 (25 bar) or IP69K
Seal:

EPDM
FKM
Copper

Electrical

Operating Voltage: 11 to 35 VDC
Output:

4 to 20 mA/HART
Profibus PA
Foundation Fieldbus & Modbus

Approvals

Scope:

ATEX / Europe
FM / USA
IEC / worldwide
CSA / USA and Canada

Explosion Protection:

MiIntrinsic safety Ex ia
Pressure-tight encapsulation Ex d

Ship Approval: DNV, GL
Overfill Protection: WHG, VLAREM II
SIL Qualification: SIL2