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ALIA GROUP INC. is a US company established since 2003. ALIA manufactures a wide range of innovative products that integrate the latest technologies to meet the evolving needs of public or private energy and water suppliers, utility services and industrial companies.

Alia’s core expertise in the field of Flow and Pressure Measurement has made it one of the leading brands in today’s market.

Alia offers the following range of products:
    • Electromagnetic Flowmeter
    • Metal Tube Variable Area Flowmeter
    • Ultrasonic Clamp-on & Insertion Flowmeter
    • Vortex Flowmeter
    • Smart Target Flowmeter
    • Smart Pressure Transmitter
    • Smart Differential Pressure Transmitter
    • Paperless Recorder
    • HART Communicator
    • Field Thermodynamic Calibrator

Intelligent Converter


Intelligent Converter


AHT520 Series HART communicator is a PC communication link to HART networks for commissioning, servicing, calibrating, or acquiring data from any Hart instrument or transmitter. AHT520 is a friendly user interface that enables you to set and check instrument parameters such as tag numbers and ranges, outputs, and view data.

  • Compatible with HART products from multiple manufacturers
  • No external power supply required, USB powered from notebook/PC
  • Compact size2.9" x 2.5" x 0.85" (73mm x 64mm x 22mm)
  • Rugged Aluminum Alloy enclosure
  • Polarity insensitive so you may attach either one of the test clips to positive or negative poles
  • Standard USB port
  • USB 1.1 and 2.0 compatible
  • Hart communicator programming software included


Power Supply:System Requirements:
System Power by USB PortOperating System
Supply Current:Windows 98 / 2000 / XP / Win7
40 mA @ +5VDCDisplay
Output Level:800x600 or better resolution
0.5 +/- 0.1 Vpp trapezoidal waveHard Disk Drive
Isolation:1GB space or more
1500 VDC between instrument andMain Memory
Computer256Mb or more
Leakage Current:Function
Less than 200 uA TypicalParameter manager
EMI/RFI Effect:DTM works
Follow SAMA PMC 33.1 from 20 to 1000Parameter Storage:
MHz and for field strengths up to 30 V/mSaved as TXT files
Protection Class:Dimensions:
IP5473mm(L) X 64mm(W) X 24mm(H)
USB Interface:2.9"(L) x 2.5"(W) x 0.85"(H)
USB 1.1 and USB 2.0CE Mark:
Port to Hart Device:The AHT520 meets the legal requirements
Two Mini-Grabber test clipsof the EC directives
1.0 M0.15 Kg(0.33 lb)
Port to Computer:Standard package:
USB connectorATH520 Hart Communicator * 1 set
LengthMini-Grabber test clip (1.0M) * 1 pair
1.5 MUSB connector (1.5M) * 1 set
Operating Temperature:CD Rom (DTM & Driver inside) * 1set
oC to 55 oC
Storage Temperature:
-40 oC to 85 oC
Storage Humidity:
0% to 98% relative humidity
Aluminum alloy housing with impact-
resistant performance


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