Load Edge Series
14 Product Outline
Chapter 1 Product Outline
1.1 Outline
This product, ELZ-175, is a high-performance electronic load that can work in lower
voltage range and with fast load response due to internal new load circuits that KEISOKU
GIKEN developed. In addition, KEISOKU GIKEN‟s new “Extreme Power” technique
employed in this electronic load expands its applications because the “Extreme
Power ”technology allows peak load power operations that exceeds rated in short-term (*1)
and consecutive load power operations larger than rated power in middle-term (*1).
(*1: there are some limits upon such operations)
According to bias supply that is installed in ELZ-175, new various applications of this
electronic load include testing fuel cells, solar batteries in addition to testing conventional
switching power supplies.
1.2 Features
・ Easily connectable design because load terminal is located on the front panel.
・ Very fast load response up to 25Ａ/μs.(5V or more should be presented at the load
terminal)
・ Larger power than rated can be set for a short-term operation by “Extreme Power”
technique. (up to 2000W)
・ Stable frequency response within 3dB up to 300 kHz. (Ext. Control: AC+ offset Volt)
・ There is no minimum voltage requirement thus ELZ-175 can operate from 0V.
・ World-wide power input.(100V-240V 50/60Hz)
・ Various load modes like CC, CR, CV, CP, Dynamic, ext. control and SHORT mode
・ In the dynamic load mode, single and auto modes are supported.
・ As the interface, both USB and GPIB are supported as the standard.
By simply connecting to your PC via a USB cable, you can control this product to
measure automatically.
Via GP-IB, you can easily integrate this product to your existent system.
・ Abundant alarm functions including over voltage over power, reverse connection,
overheat.
・ By internal function for current limitation, “ CV+Climit(current limitation)” operation
is supported.
・ By internal memory function, you can up to six (6) measurements and setting
conditions can be memorized.
・ Ripple Noise digital measurement function (factory option)
Ripple noise can be measured by way of our unique method capable of measuring in
digital eradicating human reading error in using an analog.
For your setting fast load response, there are several cautions about the connection method
and load voltage and load current to be noted.
For more information, Refer to "Chapter 2 Connections"
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