High performance Coriolis meters for chemical injection applications
24 June 2009
Emerson Process Management has developed a range of Micro Motion Elite Coriolis meters, ideal for monitoring and control of chemical additive injection rates for treatment and flow assurance programmes. They deliver +0.05% liquid flow accuracy, +0.35% gas accuracy, and +0.0005 g/cc liquid density accuracy for injection rates of 2 kg/h to 330 kg/h.
The meters offer measurement stability and robustness with Coriolis sensor tubes rated to 413 bar for high-pressure applications. Full secondary containment ensures safety, and a polished 316L stainless steel external surface and rounded corners deliver superior corrosion resistance.
The Coriolis is available with 4-wire or 2-wire electronics, perfect for replacement upgrades of older loop-powered flow technologies - without the need to add more power or install new cabling.
The meters have no moving parts and are virtually maintenance-free, minimising the cost of operation and overall cost of ownership. Because maintenance does not involve disassembling the meter, safety and environmental hazards are avoided. Calibration is only required on an as-needed basis.
The need to install auxiliary temperature transmitters for volume correction or general process monitoring is eliminated. Volume measurement is derived from direct mass and density measurements under process conditions. Micro Motion Coriolis meters also offer in-situ meter verification technology.
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