HIAS™ 744 High Resolution Impulse Testing Equipment

Additional Product Information

Features & Benefits


  • 16-bit resolution at 250 MS/s, 100 MHz analog bandwidth
  • Optically decoupled front-end solution
  • 2000 Vpk down to 5 Vpk analog input range with LEMO 4S connector
  • 2 Channels digitizer unit, can be cascaded
  • Exceeds latest IEC 61083-1, -2, IEC 60060-2, IEEE Std. 4 and related standards
  • 4th Generation digitizer
  • Mains powered


  • The highest measurement accuracy in the market
  • Excellent interference immunity & safe operation
  • Integrated solution, no additional divider necessary, compatible with any divider ratio
  • Synchronous multi-channel record
  • Compliant, advanced, state-of-the-art solution
  • Software & solution proven by many hundreds of users
  • No battery pack or recharge needed

Impulse Analyses on:

  • Power Transformers
  • Instrument Transformers
  • Bushings
  • Capacitors
  • Circuit Breakers
  • Surge Arrestor
  • Software packages:
    • Office package: to run the HiASTM software without connected channel hardware
    • Older Ed. IEC Standard evaluation package: to evaluate according to older editions, for comparison purposes with archived measurements.
    • Comparison package: used to determine scale factor of divider and measurement systems by reference method according to IEC 60060-2.
    • Transfer & Coherence Function package: useful for advanced power transformer analysis
  • HiASTM 744-2X (extension to 4 channels)
    • HiASTM 744-2S
    • HiASTM 744-2REF
  • Rugged fiber optic cable: various length available: 5, 20, 30, 40 and 60 m
  • Lemo cable: various length available: 1, 1.6, 10, 15, 20, 30 and 60 m
  • Divider: refer to our Divider Series CS, CR, CZ, RCZ, R, RCR
  • Shunt: refer to our Shunt Series SH-H, SH-Q, SH-R
  • Laptop package: laptop 15” with HiASTM software installed
  • Industrial PC package: Industrial PCI 811b, 24” screen, QWERTZ keyboard, mouse, HiASTM software installed

Finding which type of equipment will fit your impulse testing requirements is not an easy task – so take advantage of our library resources. They’re aimed to help customers find the products they need in a quick and easy manner.


Read the HiAS™ 744 Highest Resolution Impulse Analyzing System Datasheet! Download