Product Basic Function
ET54XXA+ programmable DC electronic load provides 1mV/10mV, 1mA/10mA high resolution and
precision with superior performance. It is equipped with 12 common modes and complete test functions,
which can be widely used in charger, switching power supply, linear power supply, battery and other
production line testing.
Key Features:
Ø User-friendly Design:
u It adopts 2.8-inch TFT LCD screen with rich display contents;
u The operation process is simple and convenient, and with visual interface display system, it is
u easy to get started.
u Key lock function to prevent misoperation;
Ø High-performance load:
u It provides CC, CV, CR, CP and CC+CV, CR+CV several basic measurement modes;
u It provides professional battery test;
u It provides professional LED test;
u The Tran test mode can test the dynamic output performance of the power supply;
u The scan test mode can test the continuity of power output within a certain range;
u The list test mode can simulate a variety of loading status changes;
u The short circuit test can be used to simulate load short circuit;
u Support external trigger input (DB9 interface is required);
u Built-in buzzer alarm;
u Maintain data storage in case of power failure;
u Remote operation via USB, RS-232 (optional) or 485 (optional) interfaces;
Ø Multiple safety protection:
u It provides overcurrent, overvoltage, overpower, over temperature protection. The overvoltage
u and overcurrent parameters can be set flexibly, so as to effectively protect the load;
u It has intelligent fan speed control function, which can effectively reduce the fan noise when it is
u working.
u With input polarity reverse prompt;
General technical specifications:
u Power supply voltage: 100Vac±10%~240Vac±10%，50/60Hz
u Display: 2.8-inch TFT LCD screen with resolution of 320×240
u Operating temperature: 0℃ to 40℃
u Storage temperature: -10℃ to 70℃
u Relative humidity:
u Interface: standard USB, optional RS232(or 485)
u Size: 90mm×190mm×300mm (width × height × depth)
Standard accessories:
u Three-core power cord * 1
u Power fuse * 2
u User manual*
MODEL：ET5410A+
Rated input：
Power：400W
Input voltage：0-150V
Input current：0-40A
CV mode
Range：0.1~19.999V,0.1~150.00V
Resolution：1mV,10mV
Accuracy：±(0.05%+0.02%FS)
CC mode
Range：0~3.000A,0~40.00A
Resolution：1mA,10mA
Accuracy：±(0.05%+0.05%FS)
CR mode
Range：0.05Ω~1 kΩ，1 kΩ~4.5kΩ
Resolution：10mΩ，100mΩ
Accuracy：±(0.1%+0.5%FS)

CP mode
Range：0~400W
Resolution：10mW
Accuracy：±(0.1%+0.5%FS)
Tran Test
Mode：CC，CV
T1&T2：50ms~60s；
Battery Test
Discharge mode：CC，CR
Maximum discharge capacity：9999Ah
Resolution：1mA，10mA，10mΩ，100mΩ