HPRS – High-Power Resistance Decade up to 250 W

HPRS - High-Power Resistance Decade up to 250 W


The HPRS Series from IET Labs is designed for applications requiring precise resistance settings combined with high power dissipation capability. By combining the functionality of a precision resistance decade and a high-power load, it provides an efficient solution for testing power supplies, converters, battery systems, and other power electronics equipment.

Key Features:

  • power dissipation up to 250 W 
  • resistance ranges from 1 mΩ to 10 MΩ 
  • available with 3 to 8 decades 
  • accuracy up to ±0.5% 
  • low temperature coefficient and excellent stability 
  • rugged laboratory-grade construction 
  • fast resistance adjustment using decade switches
  • Applications: 
    • AC/DC power supply testing 
    • DC/DC converter development 
    • resistive load simulation 
    • battery system testing 
    • calibration of measurement equipment 
    • power electronics R&D

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Amtest-TM Kft. (HU) - Attila Polgar Amtest PL (PL) - Dariusz Koziello Amtest-TM ELTH srl (RO) - Bogdan Valcea ADELANTEST Ltd (RUS) - Igor Kozlov GIGA Electronic Ltd. - Danail Georgiev OÜ Est-Doma (EST) Promix Ltd. (UA) - Oleksandr Labuzov Vildoma (LT, LV)

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