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ET54 series Programmable Electronic Load

Short 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 as the test research and development. 


Product Detail

Product Tags

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; 

General technical specification

¤ Power voltage: 220Vac±10%, optional 110Vac±10%, 45-65hz;

¤ Display: 2.8-inch TFT LCD, resolution 320 x 240;  

¤ Operating temperature: 0 ℃ to 40 ℃;

¤ Storage temperature: - 10 ℃ to 70 ℃;

¤ Relative humidity: < 80%;

¤ Interface: standard USB Device, RS232(or 485);

¤ Size: 90mm * 190mm * 300mm (width * height * depth). 

Standard accessories

¤ One three-core power cord

¤ Two power fuses;

¤ 1 user manual.

Optional accessories

¤ CD;

¤ USB cable;

¤ RS232/485 cable;

¤ The output line

Main technical indicators

Model ET5410 ET5411 ET5420
Channel NO.

Single channel

Double channel

Rated input Power

400W

400W

Input voltage

0-150V

0-500V

0-150V

Input current

0-40A

0-15A

0-20A*2

Constant voltage Range

0.1~19.999V, 0.1~150.00V

0.1~19.999V , 0.1~500.00V

0.1~19.999V, 0.1~150.00V

Resolution

1mV, 10mV

Accuracy

±(0.05%+0.02%FS)

Constant current Range

0~3.000A, 0~40.00A

0~3.000A,0~15.00A

0~3.000A, 0~20.00A

Resolution

1mA, 10mA

Accuracy

±(0.05%+0.05%FS)

Constant resistance Range

0.05Ω~1kΩ1kΩ~4.5kΩ

Resolution

10mΩ100mΩ

Accuracy

±(0.1%+0.5%FS)

Constant power Range

0~400W

0-200W

Resolution

10mW

Accuracy

±(0.1%+0.5%FS)

Dynamic test function Model

CC, CV

Battery test function Discharge mode

CCCR

Discharge capacity

9999Ah

Resolution

1mA10mA10mΩ100mΩ

Measuring range  
Voltage read-back Range

0~19.999V, 0 ~150.00V

0~19.999V , 0 ~500.00V

0~19.999V, 0 ~150.00V

Resolution

1mV, 10mV

Accuracy

±(0.05%+0.1%FS)

Current read-back Range

0~3.000A, 0~40.00A

0~3.000A , 0~15.00A

0~3.000A, 0~20.00A

Resolution

1mA, 10mA

Accuracy

±(0.05%+0.1%FS)

Power read-back Range

0~400W

0~200W

Resolution

10mW

Accuracy

±(0.1%+0.5%FS)

Scope of protection  
Over voltage protection

> 155V Cut off

> 510V Cut off

> 155V Cut off

Over current protection

> 42A Cut off

> 16A Cut off

> 22A Cut off

Overpower protection

420W

220W

Over temperature protection

85℃

85℃

Short circuit protection Current (CC)

≒3A, ≒40A

≒3A ≒15A

≒3A, ≒20A

Voltage (CV)

0V

Resistance (CR)

≒40mΩ

ET54  Programmable Single, Double DC Electronic Load 1
ET54  Programmable Single, Double DC Electronic Load 2
ET54  Programmable Single, Double DC Electronic Load 3 (2)
ET54  Programmable Single, Double DC Electronic Load 3
ET54  Programmable Single, Double DC Electronic Load 4

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