Level Measurement & Control


Krohne’s new radar level transmitter

March 2016 Level Measurement & Control

With Optiwave 1010, Krohne has introduced a new radar level transmitter for bypass chambers and magnetic level indicators. The 2-wire FMCW radar level transmitter is designed as a cost-effective solution for the continuous level measurement of liquids in bypass applications in various industries, e.g. chemical power, water and wastewater and automotive.

The instrument can be combined with the Krohne BM 26 advanced bypass chambers and magnetic level indicators (MLI), thereby adding a 4-20 mA HART output to the mechanical devices. The combinations can be conveniently ordered as a whole, or alternatively, it can be welded on any bypass chamber with internal diameter 38-56 mm.

Optiwave 1010 is competitively priced to replace reed chains, magnetostrictive and simple TDR transmitters that are typically used with bypass chambers or MLIs. In addition to a measuring accuracy of ±5 mm, the FMCW principle offers a much better overall accuracy in bypass applications: while reed chain and magnetostrictive principles are measuring the float position which depends on the product density, the FMCW radar directly measures the liquid surface.

Applications include almost any liquids with process temperatures ≤150°C up to 40 barg and measuring ranges up to 8 m. With clean liquids of dielectric constant εr ≥ 3 the device measures the surface directly, for εr < 3, a float with target is used.

Optiwave 1010 features a dual process seal system that allows for removal of the converter under process conditions. The 2-wire loop-powered HART device is pre-configured in the factory and is delivered ready to use. Application-specific adjustments are possible via HART/DD and DTM.


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