UFD5500 Fixed Doppler Meter


Doppler Flow Meters monitor the flow rate of dirty or aerated liquids including: wastewater, chemicals, acids, slurries, abrasives and viscous liquids. Recommended for full pipes and any fluid that contains solids or bubbles.  The UF D5500 strap-on sensor is mounted on the outside of a plastic or metal pipe 12.7 mm diameter or larger. To measure flow an acoustic signal is reflected back to the sensor from moving particles or gas bubbles suspended in the fluid. Installation is easy – without shutting down the flow system.  No contact is made with the moving fluid and no pipe cutting or drilling is required.  There is no fouling or scale build-up on the sensor.  The UF D5500 Doppler Flow Meter includes an ultrasonic sensor, a simple 5-key calibration system, a large digital flow rate display with totalizer, isolated 4-20mA output and two programmable control relays. Data logger is standard and intrinsically safe sensor is optional.

Micronics UFD5000 Brochure

Do to variations in this product offering, every unit is custom designed. Estimated delivery is 2-3 weeks after receiving order.


UFD5500 Fixed Doppler Meter

Doppler Flow Meter

Fixed Doppler Flow Meter

  • Improved Signal Stability
  • Enhanced Diagnostics
  • 26 million point Data Logger as standard
  • Modbus and HART serial communications now available as an optional feature

Enhanced Usability: ability to select different units for flow rate versus the total, and implementing a multiplier for the totalizer

Additional information

Weight 13 lbs
Dimensions 15 × 11 × 9 in
Doppler Power

Option A:110-240VAC, Option B: 9-32 VDC

Doppler Enclosure and Electronic Protection

Option 1: NEMA-4X IP66, Option 2: Option 1 with Conformal Coating., Option 3: CXJ8106 XP NEMA 7, (Non-refundable, Non-returnable)

Doppler Enclosure Temp

Option A: (-5° to 140°F / -20° to 60°C), Option B: Heater and Thermostat, 115VAC, 15 Watts, Option C: Heater and Thermostat, 230VAC, 15 Watts

Doppler Intrinsic Safety

Option 1: Rated non-incendive for Div 2, Groups A,B,C,D, Option 2: 2ISB Intrinsic Safety Barriers (2) for SE4 Sensor installation in Class I,II,III, Div. I,II, Groups C,D,E,F,G

Doppler Sensor

Option A: SE4 standard strap-on sensor Shielded Coax for 0.5” – 180” ID pipes

Doppler Mounting Hardware

Option 1: Standard PC4: Includes stainless steel bracket, mounting clamps and silicone coupling compound

Doppler Sensor Cable Length

Option A: Standard 25 ft. 6m shielded coaxial pair, Option B: 50 ft / 15 m continuous shielded coaxial pair, Option C: 100 ft / 30 m continuous shielded coaxial pair

Doppler Serial Com.

Option 1: None, Option 2: MODBUS RTU or HART (Field Selectable)

Doppler Control Relays

Option A: 2 – Standard, Option B: Four Extra Relays (6 total) rated 5 amp SPDT, fully programmable


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