Emerson Micro Motion Viscomaster heavy fuel viscosity meter

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The Micro Motion Viscomaster is a heavy fuel viscosity meter (HVFM), the next generation of the Emerson Micro Motion 7829 Viscomaster direct insertion viscosity and density meter. Making use of the same rugged tuning fork design as its predecessors, the HFVM incorporates a robust low friction diamond-like carbon (DLC) coating that is designed for tackling the most demanding of process applications such as marine heavy fuel oil (HFO) combustion control, marine gas oil (MGO) viscosity control and land-based fired heaters.

The head-mounted transmitter is hazardous area approved and has the flexibility to connect to control systems via a wide range of digital and analog protocols. System integration and start-up commissioning costs are significantly reduced due to the support from 4-20 mA, HART, WirelessHART and RS485 Modbus communications. The HFVM accepts and processes external signals from other field instrumentation such as temperature and mass/volumetric flow devices, enabling the meter to calculate and output enhanced process measurements while minimising installation and cabling costs.

The Viscomaster HFVM is designed to help solve problems such as maximising engine power output irrespective of fuel quality variations, optimising HFO/MGO cut-over times and reducing fiscal exposure through improved NO_x/SO_x management.

The HFVM also incorporates a diagnostic capability called Known Density Verification that checks the meter for measurement alarm conditions, sensor integrity and the presence of coating, erosion or corrosion. This technology expands the diagnostic information available in critical viscosity and density measurement applications, which can result in significant maintenance cost and cycle time reductions.