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 asthe test research and development.

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.

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;

Main technical indicators:

Model			ET5410	ET5420	ET5411
channel NO.			Single channel	double channel	Single channel
Rated input	power		400W	400W	400W
	input voltage		0-150V	0-150V	0-500V
	Input current		0-40A	0-20A×2	0-15A
Constant voltage	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)
Constant current	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)
Constant resistance	range		0.05Ω~10Ω 10Ω~7.5kΩ
	Resolution		16bit
	accuracy		±(0.1%+0.8%FS)
Constant power	range		0~400W
	Resolution		10mW
	accuracy		±(0.1%+0.1%FS)
Dynamic test function	model		CC
	T1&T2		50μs~3600s;Resolution:1μs
	accuracy		0.1%+5μs
	Up/down Rate		0.000~0.3A/μs(current 0~3.000A) 0.000~1.5A/μs(current 3.000~40.00A)
Battery test function	Voltage range		0~120V
	Discharge capacity		240Ah
	Resolution		1mA
	Test time		1s~16h
Measuring range
Voltage readback	range		0~19.999V 0 ~150.00V		0 ~500.00V
	Resolution		1mV 10mV		10mV
	accuracy		±(0.05%+0.1%FS)
Current readback	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 readback	range		400W
	Resolution		10mW
	accuracy		±(0.1%+0.1%FS)
Scope of protection
Over voltage protection			> 150V Cut off		> 500V Cut off
Over current protection			> 40ACut off	> 20A Cut off	> 15A Cut off
Overpower protection			400W
Over temperature protection			85℃
short circuit protection		current(CC)	3A 40A	3A 20A	3A 15A
		voltage(CV)	0V
		resistance(CR)	40mΩ

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