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TFX Ultra Transit Time Flow Meters
Dynasonics

TFX Ultra Transit Time Flow Meters

TFX Ultra® transit time ultrasonic meters measure volumetric and energy flow of clean liquids, as well as those with small amounts of suspended solids or aeration, such as surface water or sewage. Ultrasonic waves are transmitted from outside the pipe into the liquid and propagate upstream and downstream.  The flow velocity is determined by the difference in the time of flight and is used to calculate the volumetric flow.

For energy metering, the temperature difference across heating and cooling equipment or zones is measured by dual RTD’s and is used with the volumetric flow to calculate the energy transfer.

Benefits

  • Reduced material cost by eliminating the need for in-line flanges, pipe fittings, strainers and filters
  • Reduced installation time
  • Reduced maintenance cost
  • Non-invasive measurement
  • No need to shut down the process for installation or maintenance due to clamp-on-sensor design

Features

  • Flow or energy metering
  • Bi-directional flow measurement system
  • No moving parts to wear or replace
  • Totalizer options include forward, reverse and net total
  • Modbus RTU or BACnet MSTP over EIA-485; Ethernet connections including BACnet/IP, EtherNet/IP, and Modbus TCP/IP protocols
  • Large, easy-to-read digital display
  • Rugged, aluminum enclosure provides a long service life in harsh environments
  • Certified for hazardous area installation in North America and Europe
  • UltraLink software utility enables in-field flow meter configuration, calibration and troubleshooting, via laptop PC

Software

Software

ULTRALINK Setup

EDS file for TFX Ultra EtherNet/IP

Firmware for TFX Ultra (TFXB and TFXE) available in English, French, Spanish and German

Specifications

Size
1/2...120 in.
Temperature Range
-40…350 °F
Flow Range
1....40 ft/sec
Pressure Range
Per pipe specification PSI
Accuracy
±1 %

Additional Specifications

Application Examples

Water Treatment
Sewage
HVAC/Energy Monitoring
Power Generation
Food and Beverage Processing
Water Delivery

Industries
Building Automation / HVAC
Chemical, Refining & Petrochemical
Facility or Property Management
Irrigation
Process or Industrial
Test Equipment & Services
Water & Wastewater Treatment

Product Resources

Parts, Accessories & Other Options

DTTC Transducer More Info Less Info

Clamp-on transducers that are suitable for pipes ½ …2 inch with a temperature range of -40…194° F (-40…90° C).  Transducers are matched to the pipe size and material for the best accuracy and can be ordered integral to the transmitter or remote mounted.

Remote mount transducers include stainless steel straps and can be ordered with flexible armored conduit.

DTTH Transducer

DTTH Transducer More Info Less Info

Clamp-on transducers that are suitable for pipes 2 inches and larger with a temperature range of -40…350° F (-40…176° C).  The upper end of the pipe range varies with ultrasonic properties of the liquid and pipes. 

Transducers include stainless steel straps. 

DTTL Transducer

DTTL Transducer More Info Less Info

Clamp-on transducers are suitable for pipes 2 inches and larger with a temperature range of -40…194° F (-40…90° C).  The lower and upper end of the pipe range varies with ultrasonic properties of the liquid and pipes.  For water on a stainless steel pipe, DTTL transducers are recommended on pipes 24 inches or larger.

Transducers include stainless steel straps and can be ordered with flexible armored conduit.

DTTN Transducer

DTTN Transducer More Info Less Info

Clamp-on transducers that are suitable for pipes 2 inches and larger with a temperature range of -40…194° F (-40…90° C).  The upper end of the pipe range varies with ultrasonic properties of the liquid and pipes.  For water in PVC pipe, DTTL transducers are recommended on pipes 24 inches or larger.  DTTN transducers are also available with intrinsic safety and for submersible applications.

Transducers include stainless steel straps and can be ordered with flexible armored conduit.

DTTR Transducer

DTTR Transducer More Info Less Info

Clamp-on transducers that are suitable for pipes 2 inches and larger, with a temperature range of -40…250° F (-40…121° C).  The upper end of the pipe range varies with ultrasonic properties of liquids and pipes.  For water in PVC pipe, DTTL transducers are recommended on pipes 24 inches or larger.

Transducers include stainless steel straps and an optional rail kit is available to promote easier installation.  Transducers can be ordered with flexible armored conduit.

DTTS Transducer

DTTS Transducer More Info Less Info

Clamp-on transducers that are suitable for pipes ½ …2 inch with a temperature range of -40…140°F (-40…60°C).  Transducers are matched to the pipe size and material for the best accuracy and can be ordered integral to the transmitter or remote mounted.

Remote mount transducers include stainless steel straps and can be ordered with flexible armored conduit.

DWT Wall Thickness Gauge Kit More Info Less Info

Handheld gauge to measure pipe wall thickness which is used in ultrasonic meter setup.  Wall thickness gauge is battery powered with automatic power off and includes a carrying case, transducers and couplant.

TFX Ultra RTD Kits More Info Less Info

TFX Ultra RTD kits for energy metering come in a variety of cable lengths and options, including clamp-on or insertion style.

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