Dwyer Model UFM Compact Ultrasonic Flow Meter - Wiratama Mitra Abadi | Industrial Equipment

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24.12.20

Dwyer Model UFM Compact Ultrasonic Flow Meter

Dwyer Model UFM Compact Ultrasonic Flow Meter

Model UFM Compact Ultrasonic Flowmeter is a low cost clamp-on, ultrasonic flowmeter. The Model UFM implements the transit-time difference to measure flow rates in pipes non-invasively. It is a compact and lightweight design, featuring an easily installed, all in one clamp-on unit. This unit can measure velocity and flow in pipes with outside diameters ranging from 0.98 to 4.62" (24.89 to 117.35 mm). The screen offers easy to read text with a convenient backlight for visual comfort. This model comes with a volume pulse and 4 to 20 mA flow rate output.

Principles Of Operation

Two sensors located in the guiderail are placed on the exterior of the pipe, and each transmits an ultrasonic pulse through the pipe and fluid to the other. The velocity of the liquid flowing through the pipes causes the pulse to accelerate or decelerate. The difference in the transit times of the two pulses is used to calculate the flow rate. The use of transit time allows the flowmeter to be unaffected by pressure or temperature changes.

Features

  • Non-invasive pipe measurement
  • Simple installation with all necessary components included such as converter, sensor, cables and mounting accessories
  • Compact and lightweight design, featuring an easily installed, all in one clamp-on unit intended for homogeneous liquids that contain no air
  • Screen offers easy to read text displaying both flow rate and total with a convenient backlight for visual comfort
  • Kit Includes:
  • Converter w/ adjustable guiderail
  • Set of 1.81 to 2.75" (46 to 70 mm)clamps
  • Set of 2 to 5" (51 to 127 mm) clamps
  • Set of small pipe adaptor circle clamps
  • Set of small pipe adaptor V clamps
  • Ultrasonic coupling grease

Application

  • Flow measurement for heat metering
  • Chilled water metering and monitoring
  • Potable water metering and monitoring
  • Process water metering and monitoring

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Specification

ServiceClean water with <3% by volume of particulate content.
Range0.33 to 32.8 ft/s (0.1 to 10 m/s).
DisplayBacklit: 3.27" H x 0.74" W (83.1 mm x 18.8 mm), 2 line x 16 characters.
Accuracy±3% of flow reading for > 0.98 ft/s (> 0.3 m/s).
Power Requirements12 to 24 VDC or VAC.
Power Consumption7 W max.
Temperature Limits 
 Process: 32 to 185°F (0 to 85°C);
 Ambient: 32 to 122°F (0 to 50°C).
OutputsAnalog: 1 opto-isolated: 4 to 20 mA; Error current: 3.5 mA;
 Load resistance: 620 O max;
 Pulse: 1 opto-isolated MOSFET relay, 500 mA max, 166 pps max, 200 Hz max.
Enclosure RatingIP54.
Enclosure MaterialPlastic polycarbonate.
Repeatability±0.5% of measured value.
Electrical Connections16.4' (5 m) cable.
Response Time< 1 s.
Weight2.9 lb (1.315 kg).
Agency ApprovalsCE.

Download Data Sheet: Model UFM Compact Ultrasonic Flow Meter

Ref: dwyer-inst.com

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