Instrotech now offers Kobold’s new electromagnetic flowmeter model EPS with a standard accuracy of 0,3% of reading. The newly developed, microprocessor-controlled converter guarantees the high accuracy and the instrument is easy to operate via its alphanumeric backlit LCD terminal with 6 keys, plain text response and plausibility check of entries.
Empty pipe detection, coil current monitoring and plain text error messages guarantee full control over sensor and measuring point at any time. Pulse, status and current outputs, as well as HART communication, are standard features, all of which are electrically isolated. Lining materials such as hard rubber, soft rubber, EPDM, ceramic, PTFE or PFA are available. A wide range of standard and special electrode materials are on offer, including stainless steel, Hastelloy, platinum, titanium and tantalum. The EPS is available for nominal diameter from DN10-DN1200, and flow velocities up to 10 m/s. Other features include:
• Maintenance-free operation.
• No pressure drop.
• Numerous electrode materials.
• Low-cost grounding electrode instead of earthing rings, also available in special materials e.g. tantalum.
The new instrument is used to measure the volume flow of liquids, slurries, pastes and other electrically conductive media without any pressure drop. Pressure, temperature, density and viscosity do not affect the volume measurements, but solid particles and gas bubbles should be avoided.
Case History 198: Cascade control overcomes valve problems.
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