Dwyer Series PUF Portable Ultrasonic Flow Meter Kit - Wiratama Mitra Abadi | Industrial Equipment

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22.12.20

Dwyer Series PUF Portable Ultrasonic Flow Meter Kit

Dwyer Series PUF Portable Ultrasonic Flow Meter Kit

The Series PUF Portable Ultrasonic Flowmeter Kit utilizes the transit-time difference for measuring flow rates in pipes non-invasively. It is a compact and lightweight instrument incorporating the latest electronics and signal processing technologies, realizing high performance and easy operation. This device is capable of 20 hours continuous operation with its built-in battery. The PUF comes with an IP67 rated carrying case with molded foam inserts to hold and protect all equipment against dust and water. The screen offers easy to read text with a convenient backlight for visual comfort. The efficient layout of the function keys add to this unit's easy to use programming. The unit comes with RS232 and USB connections to allow for easy connection to any personal computer or printer.

Principles of operation

Two sensors 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

Kit Includes:

  • Converter
  • Set of Transducers (Both Sets for Model PUF-1001)
  • Transducer Holders
  • Set Transducer Cables (6.56 ft (2 m))
  • USB, RS232, 4 to 20 mA Communication Cables
  • 12 VDC Power Supply
  • Ultrasonic Coupling Grease
  • Set of Chains
  • Ruled Guide Rail
  • Test Block
  • Carrying Case

Application

  • Treated Water
  • River Water
  • Sea Water
  • Potable Water
  • Demineralized Water
  • Glycol/water mix
  • Hydraulic System
  • Diesel Oil

Another Article:

Specification

ServiceHomogeneous liquids that do not contain air bubbles capable of ultrasonic wave propagation.
InputsLemo connector cable from sensors.
Range0.33 to 65.62 ft/s (0.1 to 20 m/s).
Accuracy± 0.5 to 2% of flow reading for flow rate > 0.66 ft/s (0.2 m/s) and Pipe ID > 3 in (75 mm). ± 3% of flow reading for flow rate > 0.66 ft/s (0.2 m/s) and Pipe ID in range 0.5 to 3 in (13 to 75 mm). ± 6% of flow reading for flow rate < 0.66 ft/s (0.2 m/s).
Power Requirements9 to 24 VDC; (1) 5-Cell NiMH battery, internal, factory replaceable (continuous operation time: 20 hours with back light and output off); (recharging time: 6.5 hours, power adapter used).
Power Consumption10.5 W.
Power Adapter110/240 VAC adapter; UK,US, European adapters included.
Temperature Limits-4 to 275°F (-20 to 135°C).
OutputsAnalog: 1 opto-isolated output: 4 to 20 mA, 0 to 16 mA or 0 to 20 mA (selectable); Error current: 0 to 26 mA (selectable); Load resistance: 620 O max; Pulse: 1 opto-isolated MOSFET relay, 150 mA max, 500 pps max, 200 Hz max.
Serial CommunicationsUSB; RS-232.
Enclosure RatingTransducers: IP51; Carrying Case: IP67; Converter: IP54.
MaterialsFlame retardant injection molded ABS plastic.
Repeatability±0.5 % of measured value or ±0.066 ft/s (0.02 m/s).
Electrical ConnectionsMulti-pin Lemo plugs.

Download Data Sheet: Series PUF Portable Ultrasonic Flow Meter Kit

Ref: dwyer-inst.com

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