ET54 series Programmable Electronic Load
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;
¤ 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).
¤ One three-core power cord
¤ Two power fuses;
¤ 1 user manual.
¤ CD;
¤ USB cable;
¤ RS232/485 cable;
¤ The output line
| Model | ET5410 | ET5411 | ET5420 | |
| Channel NO. |
Single channel |
Double channel |
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| 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~1kΩ，1kΩ~4.5kΩ |
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| Resolution |
10mΩ，100mΩ |
|||
| Accuracy |
±(0.1%+0.5%FS) |
|||
| Constant power | Range |
0~400W |
0-200W |
|
| Resolution |
10mW |
|||
| Accuracy |
±(0.1%+0.5%FS) |
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| Dynamic test function | Model |
CC, CV |
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| Battery test function | Discharge mode |
CC，CR |
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| Discharge capacity |
9999Ah |
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| Resolution |
1mA，10mA，10mΩ，100mΩ |
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| 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 |
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| Over temperature protection |
85℃ |
85℃ |
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| Short circuit protection | Current (CC) |
≒3A, ≒40A |
≒3A ≒15A |
≒3A, ≒20A |
| Voltage (CV) |
0V |
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| Resistance (CR) |
≒40mΩ |
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