General Information:

ET54A+ programmable DC electronic load provides 1mV/ 1mA high resolution and

precision with superior performance, which can be widely used in charger, switching power supply, linear power supply, battery and other production line testing, as well as the research institutions and other research and development fields.

 

Products Features:

User-friendly Design:

It adopts 2.8-inch TFT LCD screen with rich display contents; Support Chinese and English;

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;

 

High Performance Load

It provides CC, CV, CR, CP and CC+CV, CR+CV，Six basic measurement function modes; six professional measurement function modes;

It provides professional Battery test mode;

It provides professional LED test mode;

It provides professional Tran testmode, can test the dynamic output performance of the power supply;

It provides professionalscan test mode, can test the continuity of power output within a certain range;

It provides professional list test mode, can simulate a variety of loading status changes;

It provides professional short circuit test mode, can be used to simulate load short circuit;

Provide battery/power internal resistance test function;

Provide conformity testing function;

Built-in buzzer alarm;

Maintain data storage in case of power failure;

Remote operation via USB;

Equipped with software remote compensation

 

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;

 

General specifications:

Power supply voltage: 100Vac~240Vac，50/60Hz

Display: 2.8-inch TFT LCD screen with resolution of 320×240

Operating temperature: 0℃ to 40℃

Storage temperature: -10℃ to 70℃

Relative humidity: < 80%

Interface: standard USB

Size: 90mm×190mm×300mm (width × height × depth)

weight：2.9kg；

 

Main Technical Index:

MODEL			ET5410 A+		ET5420 A+	ET5411 A+
Channels			Single Channel		Double channels	Single Channel
Rated input		Power	400W		400W (200W×2)	400W
		Input voltage	0-150V		0-150V	0-500V
		Input current	0-40A		0-20A×2	0-15A
CV mode		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)
CC mode		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)
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		0~200W	0~400W
		Resolution	10mW
		Accuracy	±(0.1%+0.5%FS)
Tran Test		Mode	CC，CV
		T1&T2	1ms~60s；分辨率：1ms
		Accuracy	0.1%+1ms
Battery Test		Discharge mode	CC，CR
		Maximum discharge capacity	9999Ah
		Resolution	1mA，10mA，10mΩ，100mΩ
Range of measurement：
Voltage read-back value		Range	0~19.999V，0 ~150.00V			0~19.999V，0~500.00V
		Resolution	1mV，10mV			1mV，10mV
		Accuracy	±(0.05%+0.1%FS)
Current read-back value		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 read-back value		Range	0~400W	0~200W		0~400W
		Resolution	10mW
		Accuracy	±(0.1%+0.5%FS)
Scope of protection：
Over Voltage Protection(OV)			＞155Vcut off input			＞510Vcut off input
Over Current Protection(OC)			＞42Acut off input		＞22Acut off input	＞16Acut off input
Over Power Protection(OP)			420W		220W	420W
Over Temperature Protection			85℃
Short Circuit	Current（CC）		≒3A ≒40A		≒3A ≒20A	≒3A ≒15A
	Voltage（CV）		0V
	Resistance（CR）		≒40mΩ