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Micro Motion™ FDM Fork Density Meter
FDM
Achieve precise, real-time density measurement for your most critical applications with the Micro Motion FDM Density Meter.
Designed for flexibility and reliability, this meter delivers continuous performance in pipelines, bypass loops, and tanks—even in hazardous environments. Ideal for chemical processing, refining, and any operation requiring accurate density and concentration measurement under demanding conditions.

Fork Density Meter Overview

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Micro Motion™ FDM Fork Density Meter

Specs

Density accuracy
±1,0 kg/m3(±0,001 g/cm3)
Display functions
View process variables.
View and acknowledge alerts.
Configure mA and RS-485 outputs.
Supports Known Density Verification (KDV).
Supports multiple languages.
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.
Materials
Wetted parts – short-stem meter:
304 or 316L stainless steel, Alloy C22, Titanium, or Zirconium

Wetted parts – long-stem meter:
Alloy C22 for stem lengths up to 2 m (6.5 ft) long
316L stainless steel for meters up to 4 m (13 ft) long

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

Transmitter housing:
Polyurethane-painted aluminum or 316L stainless steel
Meter approvals, calibrations, and certifications
Agencies & types of approval available:
ATEX
CSA
IECEx
Operating density range
0-3000 kg/m3(0-3 g/cm3)
Operating temperature range – long stem
–40 °C a +150 °C (–40 °F a +302 °F)
Operating temperature range – short stem
–50 °C a +200 °C (–58 °F a +392 °F)
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

Features

  • Increase installation flexibility with continuous, real-time measurement in pipelines, bypass loops and tanks
  • Choose from a wide range of corrosion-resistant materials for measuring density and concentration of critical chemicals
  • Ensure friction reduction and improve coating immunity with Diamond-like Carbon (DLC) coating
  • Accelerate verification of meter health and installation with internal diagnostics
  • Support multiple simultaneous protocols for connection to DCS, PLC and flow computers
  • Expand usage with a hazardous area-approved, head-mounted transmitter that supports local configuration and display