Et3730 Series Three-Channel Programmable Linear DC Power Supply

• Customization: Available
• Output Type: Triple
• Warranty: 1 Year
• Model NO.: ET3730
• Output Power: 101 - 200W
• Input Voltage: 110-220V
• Starting Mode: Separate-excited Switching Power Supply
• Certification: CE, RoHS, ISO, CCC, CB, FCC
• Output Voltage: 0-30V
• Output Current: 0-3A
• Body Size: 7(W) X 16(H) X 22(D)Cm
• Origin: China
• Production Capacity: 50000piece/Month

Product Description

ET3730 Series Three-channel Programmable Linear DC Power Supply

Product Introduction
 

  Dual independently adjustable output;

Signal fixed output with adjustable 2.5V/3.3V/5V positions;

Outstanding line regulation;

Outstanding load regulation;

A maximum of 112 groups of timed outputs allowed;

A maximum of 10 groups of setup files can be stored;

High-precision output definition;

4.3" (480*272) HD TFT LCD screen;

USB 2.0 interface supported;
 

			ET3730	ET3731	ET3732	ET3738		ET3739
Maximum power			195W				305W
Channel information			3 channel,CH1,CH2 adjustable,CH3 fixed gear swichable
DC output	Voltage/current rated value		CH1:30V,3A   CH2:30V,3A			CH1:30V,5A  CH2:30V,5A
	Maximum overvoltage/over-current settings		10mV~33V 10mA~3.3A	1mV~33V 1mA~3.3A		1mV~33V 1mA~5.5A
	2.5V/3.3V/5V Fixed output		Current output 0~3A Output precision:<5% Load regulation: ≤15dig digital Linear regulation: ≤5 digital Ripple wave and noise(20Hz~7MHz):≤2mVrms Overload:3A (Parameters of the fixed position are all listed. The parameters below apply to the variable positions of the voltage.)			Current output 0~1A Output precision:<5% Load regulation: ≤15dig digital Linear regulation: ≤5 digital Ripple wave and noise(20Hz~7MHz):≤2mVrms Overload:1A (Parameters of the fixed position are all listed. The parameters below apply to the variable positions of the voltage.)
Linear regulation rate (±output percentage + percent number)
Voltage			≤0.01%+2	≤0.01%+2	≤0.005%+2	≤0.01%+2		≤0.005%+2
Current			≤0.1%+3	≤0.01%+3	≤0.005%+3	≤0.01%+3		≤0.005%+3
Load regulation rate (±output percentage + percent number)
Voltage			≤0.01%+2	≤0.01%+2	≤0.006%+2	≤0.01%+2		≤0.008%+2
Current			≤0.1%+3	≤0.05%+3	≤0.01%+3	≤0.05%+3		≤0.01%+3
Tracking operation (±output percentage +percent number)
Tracking error			≤0.5+ 10 of master(no load)
Parallel regulation rate		Linearity	≤0.01%+5
		Load	≤0.01%+5
Series regulation rate		Linearity	≤0.01%+10
		Load	≤0.02%+10
Ripple and noise (20HZ~7MHZ)
Voltage			≤1.5mVrms	≤1mVrms	≤600uVrms	≤1mVrms		≤600uVrms
Current			≤2mArms	≤1.5mArms	≤1mArms	≤1.5mArms		≤1mArms
Programming/backward reading resolution
Voltage			10mV	1mV
Current			1mA	1mA
Programming/backward reading accuracy (±output percentage +percent number)
Programming		Voltage	0.4%+2	0.03%+10	0.02%+5		0.03%+10	0.02%+5
		Current	0.4%+10	0.3%+10	0.3%+5		0.3%+10	0.3%+5
Backward reading		Voltage	0.4%+2	0.03%+10	0.03%+5		0.03%+10	0.03%+5
		Current	0.4%+10	0.3%+10	0.2%+5		0.3%+10	0.2%+5
Load transient response time
It takes less than 50 μs for the output current to change from full load to half load, or from half load to full load and for the output voltage to recover to 15mV.
Stability (±output percentage +percent number)
Voltage			0.02%+10
Current			0.1%+1
Temperature coefficient (±output percentage +percent number)
Voltage			0.02%+10
Current			0.02%+10

Application


1. Charge the battery.

2. Car DVD, car audio.

3. Product aging, such as resistors, capacitors, relays, DC motors, LEDs, etc.

4. Laboratory, factory, maintenance power supply.

5. Everything else needs a DC regulated power supply.
Voltage, current Settings coarse and fine tuning knob, make the Settings more accurate- Set of posts could dual-use(insert or connect), prevent the posts heat and loose.

 

FAQ
1. Are you a manufacturer or a trader?
Yes, we are both.
 
2. What products do you have?
We are focus on instruments and meters. Such as Mechanical /  Optical /Power/ SafetyEnvironmental testing equipments and
some hardware tools amd eletronic components.
More infomation about business, please contact us we can send you catalog for reference.

3. Can i get a sample first?
Yes, we are pleased to send you sample to test the quality and market.

4. Can you do OEM for us?
Yes, OEM are welcome for us. Customers' brand, logo, label can be customized for the produets andcarton package, but based on a certain quantity.

5. What are your strengths?
We have a complete range of products covering low, medium and high-end markets in good price in Instruments field.
Fast Delivery, factory high quality and professional engineers to solve your problems.