Product Description

The VEGA VEGADIF 85 Differential Pressure Transmitter is a high-precision industrial measurement device designed for differential pressure applications in liquids, gases, and vapors.

It is widely used for level measurement in pressurized vessels, flow measurement with primary elements, filter monitoring, and density or interface detection. By measuring the pressure difference between two process points, it provides stable and reliable process data for automation systems.

With a robust metallic measuring diaphragm and high overload resistance, VEGADIF 85 delivers long-term stability even under harsh industrial conditions. It is commonly integrated into chemical plants, oil & gas facilities, and power generation systems where accurate industrial differential pressure measurement is critical.

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Key Features

• High-precision differential pressure measurement
• Suitable for liquids, gases, and vapors
• Integrated overload protection diaphragm
• Multivariable measurement capability (DP + absolute pressure)
• Accuracy up to ±0.065%
• Supports HART, Profibus PA, Foundation Fieldbus
• High process pressure resistance up to 400 bar
• SIL2 safety certification available

Applications

• Pressurized tank level measurement
• Flow measurement with orifice plates
• Filter clogging monitoring
• Density and interface measurement
• Oil and gas process systems
• Chemical processing plants
• Power generation systems
• Industrial automation systems

Selection Notes

Before selecting VEGADIF 85, confirm:

• Required differential pressure range
• Process medium (liquid, gas, vapor)
• Static pressure conditions (up to 400 bar)
• Process temperature range (up to 400°C)
• Mounting position (HP / LP side routing)
• Output protocol (4–20mA / HART / PA / FF)
• Need for SIL or hazardous area certification

FAQ

Q: What is VEGA VEGADIF 85 used for?
A: It is used for differential pressure measurement in level, flow, filter, and density applications.

Q: Can VEGADIF 85 measure level directly?
A: Yes, it is commonly used for level measurement in pressurized vessels.

Q: Is it suitable for flow measurement?
A: Yes, it works with primary flow elements like orifice plates.

Q: What media can it measure?
A: It can measure liquids, gases, and vapors.

Q: What is the accuracy of VEGADIF 85?
A: It offers high precision up to ±0.065%.

Q: Does it support hazardous area use?
A: Yes, ATEX, IECEx and SIL2 options are available.