Echo Process Instrumentation, Inc.

- Model PLUS V3 - Fixed Wall Mount Clamp-on Flowmeter

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The ECHO Arrow Hunter PLUS Version 3 range of non-invasive flowmeters utilize Transit-time ultrasonic technology for the accurate flow measurement of clean or dirty liquids and liquefied gases in full pipes.

The Arrow Hunter PLUS - FIXED Version3 (AH+FX) is designed for permanent installation on applications where advanced options and configurations are required.The flowmeter includes a variety of input and output options for diverse measurement requirements.

Themeasurement of flow is based on the principle that sound waves are influenced by a flowing medium. Measurements are made by penetrating the pipe with ultrasound and measuring thefrequency variations and phase shifts of the signals received.This measuring technique has no effect on theflowing medium.There is no pressure loss in the pipe and no wear on components of the measuring device.

Theultrasonic sensors are clamped onto the outside of the pipe, thus eliminating the need to dismantle the pipe work and interrupt the process.The AH+FX can be applied to any type of metal or plastic pipe with or without a liner carrying clean or dirty liquids.We have several transducers to chose from depending on pipe size, process temperature and required approvals.

The Arrow Hunter PLUS - FIXED FULL SPEC Version 3 (AH+FS) offers dual channel and Energy measurement capabilities.

  • Non-invasive flow measurement for clean or dirty liquids
  • Advanced Transit-time Technology with +/- 0.5% Accuracy
  • Measures all metal, composite & plastic pipes 0.25' - 118' diameters with our without liners
  • Dual DSP Microprocessor with digital signal noise rejection
  • Wall-mount NEMA 4X enclosure with graphical display
  • Easy to install clamp-on sensors

General

  • Measuring principle : Ultrasonic Transit-time
    Flow
    velocity range : 0.03 … 82 ft/s (0.01 ... 25 m/s)
  • Resolution : 0.00082 ft/s (0.25 mm/s)
  • Repeatability : 0.15 % of measured value ±0.015 m/s
  • Accuracy : Volume flow± 0.5% factory calibrated (process conditions can reduce accuracy), ± 0.5% of measured value with process calibration, Flow velocity : ± 0.5 % of measured value
  • Turn down ratio : 1/100
  • Max particulates : < 10 % of volume

Flow transmitter

  • Enclosure : Wall mounted housing
  • Protection rating : NEMA 4X (IP 66 according EN60529)
  • Operating temp. : 14 …140 °F (-10 ... 60 °C)
  • Housing material : Plastic, ABS, Polycarbonate (transparent front door only)
  • Flow channels : 1 (optional 2 channels with Full Spec)
  • Power supply : 100 ... 240 VAC 50/60 Hz, 9 ... 36 VDC
  • Display : LCD graphic display, 128 x 64, backlight
  • Dimensions : 9.3 H x 10.1 W x 5.7 D inch (237 H x 258 W x 146 D mm)
  • Weight : Approx. 5 lbs (2.3 kg)
  • Power consumption: < 5 W
  • Signal damping : 0 ... 99 s
  • Measurement rate : 10 ... 1000 s-1
  • Operating languages: English, German, French, Spanish
  • Response time : 1 s, faster rates upon request
  • Calculation functions: Full Spec Version Dual Mode: Average/difference/sum

Quantity and units of measurement

  • Volumetric flow rate : m3/h, m3/min, m3/s, l/h, l/min, l/s, USgal/h, USgal/min, USgal/s, USMGD, bbl/d, bbl/h, bbl/min, bbl/s
  • Flow velocity : m/s, ft/s, inch/s
  • Mass flow rate : g/s, t/h, kg/h, kg/min
  • Volume/ Mass : m³, l, US gal, bbl / g, kg, t
  • Energy : BTU, MBTU, MMBTU, W, kW, MW, J, kJ, MJ (only with Full Spec option)

Internal data logger

  • Storage capacity : approx. 30,000 samples (128 kByte), optional > 100,000 samples (512 kByte)
  • Logging data : All measured and totalized values

Communication

  • Serial interface : RS 232, (optional RS 485)
  • Data : Instantaneous measured value, parameter set and configuration, logged data

Software AH+ PC Software

  • Functionality : Downloading of measured values/parameter sets, graphical presentation, list format, export to third party software, on-line transfer of measured data
  • Operating systems : Windows 2000, NT, XP, Vista, 07

Process Inputs (Galvanically isolated)

  • Temperature : PT 100, range - 50 ... 400 °C
  • Current : 0 ... 20 mA active or 4 ... 20 mA passive, U = 30V, Ri = 50Ω, accuracy 0.1% MV

Process outputs (Galvanically isolated)

  • Current : 0/4 ... 20 mA, active (RLoad < 500 Ω), 16 bit resolution, U=30V, accuracy = 0.1%
  • Voltage : Optional 0 … 10V, Ri = 500Ω
  • Digital (pulse) : 1 Open Collector, width 30 … 999 ms, U = 24 V, Imax = 4mA
  • Digital (relay) : 2 Form “C” SPDT, U=48V Imax=250mA , as Alarm or Fault (programmable

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