ET1302 ET1303 DC programmable electronic load_Hangzhou Zhongchuang Electron Co.,Ltd.,
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Hangzhou Zhongchuang Electron Co.,Ltd.
Phone: 0086-571-56770221
Fax: 0086-571-56861355
Zip Code: 310015
Address: No.3, Kangle Road, Gongshu District, Hangzhou,Zhejiang,China
ET1302 ET1303 DC programmable electronic load
Browse through: Date of issue:2019-08-16
ET1302 ET1303  DC programmable electronic load

     ET53 series DC programmable 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:
  •  It adopts 3.5-inch TFT LCD screen with rich display contents and supports Chinese and English display;
  •  The operation process is simple and convenient, and with visual interface display system, it is easy to get started.
  •  Key lock function to prevent misoperation;
Ø High-performance load:
  • It provides CC, CV, CR, CP and CC+CV, CR+CV several basic measurement modes;
  • It provides professional battery test;
  • It provides professional LED test;
  • The Tran test mode can test the dynamic output performance of the power supply;
  • The scan test mode can test the continuity of power output within a certain range;
  • Support 4-wire measurement;
  • The list test mode can simulate a variety of loading status changes;
  • The short circuit test can be used to simulate load short circuit;
  • Support external trigger input;
  • Built-in buzzer alarm;
  • Maintain data storage in case of power failure;
  • Remote operation via USB, RS-232or 485 (optional) interfaces;
Ø Multiple safety protection:
  • It provides overcurrent, overvoltage, overpower, over temperature protection. The overvoltage and overcurrent parameters can be set flexibly, so as to effectively protect the load;
  • It has intelligent fan speed control function, which can effectively reduce the fan noise when it is working.
  • With input polarity reverse prompt;

Technical Specification 

Model ET1302 ET1303
Rated input
Power 400W
Input voltage 0-500V
Input current 0-15A 0-30A
CV mode Range 0.1~19.999V,0.1~500.00V
Resolution 1mV,10mV
Accuracy ±(0.05%+0.02%FS)
CC mode Range 0~3.000A,0~15.00A 0~3.000A,0~30.00A
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
Accuracy CC,CR
Discharge mode 9999Ah
Maximum discharge capacity 1mA,10mA,10mΩ,100mΩ
Range of measurement
Voltage read-back value Range 0~19.999V,0 ~500.00V
Resolution 1mV,10mV
Accuracy ±(0.05%+0.1%FS)
Current read-back value Range 0~3.000A,0~15.00A 0~3.00A,0~30.00A
Resolution 1mA,10mA
Accuracy ±(0.05%+0.1%FS)
Power read-back value
Range 400W
Resolution 10mW
Accuracy ±(0.1%+0.5%FS)
Scope of protection
Overvoltage protection >21V or 510V overvoltage protection
Overcurrent protection >3.1A or 16A input cut off >3.1A or 31A input cut off
Overpower protection 410W
Over-temperature protection 85℃

General technical specifications:
  • Power supply voltage: 220Vac±10%, 110Vac±10%, 45-65Hz
  • Display: 3.5-inch TFT LCD screen with resolution of 480×320
  • Operating temperature: 0℃ to 40℃
  • Storage temperature: -10℃ to 70℃
  • Relative humidity: < 80%
  • Interface: standard USB, RS232 or 485(optional)
  • Size: 320mm×220mm×100mm (width × height × depth) 
Standard accessories:
  • Three-core power cord    1
  • Power fuse                2
  • User manual               1

Optional accessories:
  • Light disk
  • USB cable
  • 232 cable
  • Output wire

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