Related Manuals for East Tester ET5420A+
Summary of Contents for East Tester ET5420A+
- Page 1 ET5420A+ Programmable Double-Channel DC Electronic Load User Manual Hangzhou Zhongchuang Electron Co., Ltd...
- Page 2 Hangzhou Zhongchuang Electron Co., Ltd Adress: NO. 3 Kangle Road, Gongshu District, Hangzhou,China Postcode: 310015 Telephone: 0086-571-56770222 Fax: 0086-571-56861355 http://www.east-tester.com Email: sales@east-tester.com...
- Page 3 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.
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Page 4: Table Of Contents
Catalog 1.1 LCD Front Panel...................... 3 1.2 Front Panel Buttons....................3 1.3 Button Instruction.....................4 2.1Switch Between Remote and Local Operation Modes..........5 2.2System Set Operation....................5 2.3Load Set Operation....................6 2.4Load Effect Test Operation..................7 2.5Remote Compensation Operation................7 2.6Basic Mode Operation....................8 2.6.1Constant Current Measurement Mode............8 2.6.2Constant Voltage Measurement Mode............ -
Page 5: Lcd Front Panel
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chapter 1 Quick Start 1.1 LCD Front Panel 1. Interface name 2. An identification that does not meet the set value 3. Remote identification 4. Qualified identification 5. Fan fault identification 6. Button lock identification 7. Communication failure identification 8. Parameter set display 9. -
Page 6: Button Instruction
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual 1.3 Button Instruction There are 9 regular function buttons on the right side of the display screen, including 5 additional long-press function buttons, and there are 4 commonly used buttons on the bottom of the display screen. -
Page 7: Switch Between Remote And Local Operation Modes
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chapter 2 Operation of Function In order to ensure stable and safe operation, please be sure to connect the load and the source to be tested according to red positive and black negative before using the load to test the source to be tested. -
Page 8: Load Set Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chart 2.2.1 System Menu Interface Chart 2.2.2 System Set Interface Load Set Operation You can enter load set interface through system menu, as shown in Chart 2.3. In this interface, you can complete related settings such as load range, limit value and off delay. The following is a description of setting options: 1. -
Page 9: Load Effect Test Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chart 2.3 Load Set Interface 2.4Load Effect Test Operation Through system menu, you can enter load effect test interface, as shown in Chart 2.4. The load will run under 3 different loads and continue for a preset time respectively, and then voltage value under different loads will be recorded. -
Page 10: Basic Mode Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chart 2.5 Remote Compensation Interface 2.6Basic Mode Operation The electronic load can work in the following basic measurement modes: constant current mode (CC), constant voltage mode (CV), constant resistance mode (CR), constant power mode (CP), constant current-constant voltage mode (CC + CV), constant resistance-constant voltage mode (CC + CR). -
Page 11: 2Constant Voltage Measurement Mode
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual 5. Press [ON] button to start or close the ▼] arrow buttons. Press [ENT] or [ESC] button to exit editing; mode of selected channel; Chart 2.6.1 Constant Current Measurement Mode 2.6.2 Constant Voltage Measurement Mode In constant voltage mode, electronic load will consume enough current to maintain input voltage at setting voltage value. -
Page 12: 4Constant Power Measurement Mode
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chart 2.6.3 Constant Resistance Measurement Mode 2.6.4 Constant Power Measurement Mode In constant power mode, the load consumes a constant power. When input voltage changes, the load will adjust corresponding current to maintain consumed power at setting power value. -
Page 13: 6Constant Resistance-Constant Voltage Measurement Mode
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chart 2.6.5 Constant Current-Constant Voltage Measurement Mode 2.6.6 Constant Resistance-Constant Voltage Measurement Mode The constant resistance-constant voltage measurement mode aims to prevent measured source from being damaged due to overcurrent discharge. In this mode, when the source to be tested cannot output enough current to maintain setting resistance, the load will automatically switch from constant resistance mode to constant voltage mode. - Page 14 ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual to previous interface; 7.Press[CH] to enter into the setting interface or testing interface of selected mode in another channel(The parameter only can be set in testing interface if in this mode) Test interface operation instructions: 1. Press to operation channel;...
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Page 15: List Test Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chart 2.7.1 Dynamic Set Interface Chart 2.7.1 Dynamic Test Interface 2.8 List Test Operation The list test function can conveniently test running of the source to be tested under different load conditions, which is conducive to automatic test of production line. By presetting list test steps, you can edit test steps and test parameters of the source to be tested into a list and complete a series of tests in order. - Page 16 ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Chart 2.8.1 List Test Interface Chart 2.8.2 List Set Interface List test result interface operation instructions: 1. Long press ▲ button to enter list test result interface when the mode is closed;...
- Page 17 ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Save Interface of File List Setting Parameter Chart 2.8.4 Save interface of file list result operation instructions: 1. In list result interface, select “Save” function to enter save interface of file list result, or long press button to enter save interface of ▶...
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Page 18: Scan Test Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual 2.9Scan Test Operation Scan test can be used to detect continuous run of the source to be tested within a certain range, and can easily capture various critical parameters of the source to be tested, such as protection current and break-over voltage. -
Page 19: Battery Test Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Scan Test Interface Chart 2.9.2 2.10Battery Test Operation Battery test function is commonly used to detect battery discharge performance. The electronic load can run in mode of constant current or constant resistance. The cut-off conditions of load run include voltage, runtime, discharge capacity and discharge energy. -
Page 20: Led Test Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Battery Test Set Interface Chart 2.10.1 Battery Test Interface Chart 2.10.2 2.11 LED Test Operation CR-LED test can simulate characteristics of real LED lamps. By increasing turn-on voltage of diodes in traditional CR mode, the load starts to run when load input voltage exceeds turn-on voltage of diodes, which can truly reflect load capacity of LED driving source. -
Page 21: Short Circuit Test Operation
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Rd = (Vo / Io) * Coeff Vf = Vo * (1 - Coeff) LED Characteristic curve LED Test Interface Chart 2.11 2.12 Short Circuit Test Operation The load can simulate a short circuit at input end. In short circuit test, actual current consumed by the load short circuit depends on maximum output of the source. -
Page 22: Trigger Function
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual protection state, other button functions are invalid before exiting protection state by pressing [ENT] button. Equipment protection instructions: Protection type Type description Protection reason Overcurrent protection Input current is higher than the current limit value... -
Page 23: Other System Set
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Qualified Test Set Interface Chart 2.14.1 Qualified Test Chart 2.14.2 Interface After Starting 2.16 Other System Set 2.16.1 Button Lock Function In order to prevent users from misoperation, the load also has a lock function. The lock identification will be displayed in title bar. - Page 24 ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual Channel 2 LIST list test is in progress, low effective Channel 2 list test result is qualified, low effective Extended interface Channel 1 External trigger input input Channel 2 External trigger input...
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Page 25: Specifications
ET5420A+Programmable DC Electronic Load (Dual Channels) User Manual SPECIFICATIONS MODEL ET5420A+ Power 400W（Dual-Channel，200W*2） Rated input Input voltage 0-150V Input current 0-40A(20A*2) Range 0.1~19.999V，0.1~150.00V CV mode Resolution 1mV，10mV Accuracy ±(0.05%+0.02%FS) Range 0~3.000A，0~20.00A CC mode Resolution 1mA，10mA Accuracy ±(0.05%+0.05%FS) Range 0.05Ω~1 kΩ，1 kΩ~4.5kΩ...
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