Product Description
Product Description
ET54 series single/double channel programmable dc electronic load, USES the high performance chip, high speed, high precision design, provide 1mV,1mA resolution, superior performance, can be widely applied to the charger, switching power supply, linear power supply, production test of all kinds of batteries and other industries, scientific research institutions such asthe test research and development.
dc load ET5410 programmable single channel electronic dc load
Product features:
humanized design.
2.8-inch TFT LCD display, rich display content, support Chinese and English display;
Simple and convenient operation process, with intuitive interface display system, easy to use;
It has the function of key lock to prevent misoperation.
high-performance load:
The basic measurement modes of CC, CV, CR, CP, CC+CV, CR+CV are provided.
Provide professional battery test and LED test;
Dynamic test mode, can test the dynamic power output performance;
Scanning test mode can test the continuity of power output within a certain range.
List mode, which can simulate various loaded state changes;
Short circuit test for simulating load short circuit;
The measurement model of the far end can improve the measurement accuracy when the current is high.
Support external trigger input;
Built-in buzzer alarm;
Power off to maintain data storage function;
Remote operation can be carried out through RS-232 interface and USB Device interface.
With PS2 interface, support external keypad to set data values;
safety protection:
With overvoltage, overcurrent and overpower protection functions, overvoltage and overcurrent parameters can be set flexibly to effectively protect the load.
It has the function of secondary over-temperature protection to realize the double over-temperature protection of software and hardware.
It has the function of intelligent fan speed control, which can effectively reduce the working fan noise.
With output polarity reverse protection;
Model ET5410A+ ET5420A+ ET5411A+
channel NO. Single channel double channel Single channel
Rated input power 400W 400W 400W
input voltage 0-150V 0-150V 0-500V
Input current 0-40A 0-20A×2 0-15A
Constant voltage
range 0.1~19.999V
0.1~150.00V 0.1~19.999V
0.1~500.00V
Resolution 1mV
10mV
accuracy ±(0.05%+0.02%FS)
Constant current range 0~3.000A
0~40.00A 0~3.000A
0~20.00A 0~3.000A
0~15.00A
Resolution 1mA
10mA
accuracy ±(0.05%+0.05%FS)
Constant resistance range 0.05Ω~10Ω
10Ω~7.5kΩ
Resolution 16bit
accuracy ±(0.1%+0.8%FS)
Constant power range 0~400W
Resolution 10mW
accuracy ±(0.1%+0.1%FS)
Dynamic test function model CC
T1&T2 50μs~3600s;Resolution:1μs
accuracy 0.1%+5μs
Battery test function Voltage range 0~120V
Discharge capacity 240Ah
Resolution 1mA
Test time 1s~16h
Measuring range
Voltage readback range 0~19.999V
0 ~150.00V 0 ~500.00V
Resolution 1mV
10mV 10mV
accuracy ±(0.05%+0.1%FS)
Current readback range 0~3.000A
0~40.00A 0~3.000A
0~20.00A 0~3.000A
0~15.00A
Resolution 1mA
10mA
accuracy ±(0.05%+0.1%FS)
Power readback range 400W
Resolution 10mW
accuracy ±(0.1%+0.1%FS)
Scope of protection
Over voltage protection > 150V Cut off > 500V Cut off
Over current protection > 40ACut off > 20A Cut off > 15A Cut off
Overpower protection 400W
Over temperature protection 85ºC
short circuit protection
current(CC) ≒3A
≒40A ≒3A
≒20A ≒3A
≒15A
voltage(CV) 0V
resistance(CR) ≒40mΩ
Audited Supplier 
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