Saturday 14 May 2011

A cost effective dP transmitter

The new design of Deltabar M from Endress + Hauser, unites flexibility, modularity and compactness.

Some of the benefits in switching to the Deltabar M PMD55 are:
• Easily integrated in any installation conditions.
• Can change from the high-pressure to the low-pressure side by merely moving a small switch on the main electronics.
• Compact design
• Flexibility in adaptation and installation
• Modular electronics and display
• User-friendly software with application-specific parameter selection

This differential pressure transmitter can be used for flow measurement of gases, vapors and liquids. Typical applications also include level, volume and mass measurement of liquids. It works over measuring ranges of 0.15 to 600 psi with a maximum recommended turndown of 100:1. Reference accuracy is up to 0.075% of full scale.

"The Deltabar M is a direct replacement for the Rosemount 1151 analog transmitter, so that a Rosemount user can upgrade directly to the Deltabar M digital HART-based flow transmitter without having to change piping or add a coplanar adapters," according to the company's Irish office.

Flow measurements are available in five modes: volume flow, norm volume flow, mass flow and percent. The transmitter has two totalisers. One totaliser can be reset to zero, and the totalising units can be individually set for each totaliser. This allows daily and annual quantity totalising.

The Deltabar M transmitter has aluminum housing with protective powder coating and 316L stainless steel process connections. Customers have a choice of Viton, PTFE, NBR or EPDM seals. Operational temperature ranges from -40 to 185 ◦F. The transmitter is suitable for use in oxygen and ultra pure gas applications.

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