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Micro Motion FVM Fork Viscosity Meter
Northeast Controls is pleased to be the authorized Emerson representative to sell this product line for Municipal Water and Wastewater applications, and as part of an overall Integrated Solution for all applications and industries.
A high performance, multivariable Fork Viscosity Meter that delivers reliable viscosity, density and temperature measurement in pipelines, bypass loops and tanks.
Micro Motion FVM Fork Viscosity Meter


Viscosity accuracy
±0.2 cP (0.5 –10 cP range) then ±1% full scale of the following ranges:
0.5 to 10 cP
10 to 100 cP
100 to 1000 cP
Operating viscosity range
0.5 to 20,000 cP
Density accuracy
±1,0 kg/m3(±0,001 g/cm3)
Operating density range
0-3000 kg/m3(0-3 g/cm3)
Operating temperature range – short stem
–50 °C to +200 °C (–58 °F to +392 °F)
Operating temperature range – long stem
–40 °C to +150 °C (–40 °F to +302 °F)
Wetted parts:
316L stainless steel

Tine finish:
Standard, DLC (Diamond-Like Carbon) coated, or electro-polished

Transmitter housing:
Polyurethane-painted aluminum or 316L stainless steel
Local display (optional)
Segmented two-line LCD screen.
Can be rotated on transmitter, in 90-degree increments, for ease of viewing
Suitable for hazardous area operation.
Optical switch controls for hazardous area configuration and display.
Glass lens.
Three-color LED indicates meter and alert status.
Display functions
View process variables.
View and acknowledge alerts.
Configure mA and RS-485 outputs.
Supports Known Density Verification (KDV).
Supports multiple languages.
Transmitter output channels
Available output channels (depending on the Electronics Interface option):
One or two externally powered (passive) 4–20 mA outputs
Channel A is 4–20 mA + HART
Channel B is 4–20 mA
One externally powered (passive) Time Period Signal (TPS)output
One externally powered (passive) Discrete output
One Modbus/RS-485 output Can also be ordered with a processor for use with a remote-mount 2700 FOUNDATION fieldbus transmitter
Meter approvals, calibrations, and certifications
Agencies & types of approval available:


  • Receive reliable and continuous multivariable measurement of viscosity, density and temperature
  • Easily insert directly into pipelines, bypass loops and tanks
  • Expand usage with a hazardous area-approved, head-mounted transmitter that supports local configuration and display
  • Quickly verify meter health and status using advanced internal diagnostics
  • Support multiple simultaneous protocols for connection to DCS, PLC and flow computers
  • Interact with our detailed schematic tool to learn more about our Dedicated Density and Viscosity Meters