Wholesale Hot New Products battery capacity tester battery dc Load control - ET37 Series Programmable DC Power Supply – Zhongchuang Supplier and Factory

Hot New Products battery capacity tester battery dc Load control - ET37 Series Programmable DC Power Supply – Zhongchuang

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Our organization promises all customers with the first-class products and solutions and the most satisfying post-sale service. We warmly welcome our regular and new clients to join us for Pressure Gauge Calibration, Calibration Furnace, Professional Multimeter, We welcome an prospect to do enterprise along with you and hope to have pleasure in attaching even more aspects of our items.

Hot New Products battery capacity tester battery dc Load control - ET37 Series Programmable DC Power Supply – Zhongchuang Detail:

User-friendly design:

¤ Using 4.3 inch TFT LCD, the resolution is 480*272.

¤ Support waveform display, real-time display of channel output voltage and current curve.

¤ Operating system is simple and convenient, with intuitive interface display system, easy to use.

High performance output:

¤ Independent adjustable output: 1 (ET372X)/2 (ET373X) adjustable output 30V/3A (30V/5A), 1 (2.5V/3.3V/5V)

adjustable fixed output; maximum total output power can reach 305W.

¤ Four output modes: vertical/positive/negative/parallel/series, providing a wider output range. The maximum output

voltage can reach 60V, and the maximum output current can reach 10A.

¤ High precision and high resolution.

¤ Low output ripple and noise.

¤ It has excellent load regulation rate and linear regulation rate.

¤ Support timing output function, maximum set 112 groups.

¤ It has the function of storage and invocation, and can save up to 10 sets of parameter settings.

¤ Standardized USB Device interface, RS232 interface, support SCPI remote command control.

Multiple security protection:

¤ With over-voltage/over-current protection function, it can flexibly set over-voltage and over-current parameters to

achieve effective load protection.

¤ It has two-level over-temperature protection function, realizing double over-temperature protection of software and

hardware.

¤ It has the function of intelligent fan speed control, adjusts the fan speed according to the working conditions, and

effectively reduces the fan noise.

¤ Connecting and Counter-protection with Output Polarity.

¤ It has key lock function to prevent misoperation.

¤ Power voltage: 220V.AC±10%, 110V.AC±10%, 45~65Hz

¤ Display: 4.3” TFT LCD, with a resolution of 480×272, and 16 M colors

¤ Operating temperature: 0°C-40°C

¤ Storage temperature: -10°C-70°C

¤ Relative humidity: ＜80%

¤ Interface: USB DEVICE, RS232 (optional)

¤ Sizes: 230mm x 380mm x 150mm (WxDxH)

¤ Weight: 11kg

¤ Three core power cord: 1

¤ User manual: 1

¤ Output line: 1

¤ USB data line: 1

¤ RS232 data line: 1

Model			ET3721 ET3728	ET3722 ET3729	ET3731 ET3738	ET3732 ET3739
Maximum power			105W( ET3721、3722) 155W(ET3728、3729)		195W(ET3721、3722) 305W(ET3728、3729)
Channel number			2 (CH1 variable, CH2 fixed)		3 (CH1, CH2 variable, CH3 fixed)
DC output (0°C-40°C)	Voltage/current (Rated value)		CH1：0~30V，0~3A(ET3721、3722) CH1：0~30V，0~5A（ET3728、3729）		CH1、CH2：0~30V，0~3A(ET3721、3722) CH1、CH2：0~30V,0~5A(ET3728、3729)
	Over-voltage/over-current protection		CH1：10mV~33V，10mA~3.3A CH1：10mV~33V,10mA~5.5A		CH1、CH2：10mV~33V，10mA~3.3A CH1、CH2：10mV~33V，10mA~5.5A
	2.5V/3.3V/5V Fixed output		Current output 0~3A(ET3721、3722、3731、3732)，Or 0~1A（ET3728、3729、3738、3739）;Output precision: ＜5%;Load regulation: ≤15minimum scale interval; Linear regulation: ≤5minimum scale interval; Ripple and noise (20Hz~7MHz): ≤2mVrms; Overload: 3A(ET3721、3722、3731、3732)，or 0~1A（ET3728、3729、3738、3739）; (Parameters of the fixed position are all listed. The parameters below apply to the variable positions of the voltage.)
Linear regulation rate (±output percentage + quantity of minimum scale interval(s))
Voltage			≤0.01%+2	≤0.005%+2	≤0.01%+2	≤0.005%+2
Current			≤0.01%+3	≤0.005%+3	≤0.01%+3	≤0.005%+3
Load regulation rate (±output percentage + quantity of minimum scale interval(s))
Voltage			≤0.01%+2	≤0.006%+2	≤0.01%+2	≤0.006%+2
Current			≤0.005%+3	≤0.01%+3	≤0.05%+3	≤0.01%+3
Tracking operation (±output percentage + quantity of minimum scale interval(s))
Tracking error			/		≤0.5%+10 of Master（no-load）
Parallel regulation rate		Linear	/		≤0.01%+5
		Load	/		≤0.01%+5
Series regulation rate		Linear	/		≤0.01%+10
		Load	/		≤0.02%+10
Ripple and noise (20Hz~-7MHz)
Voltage			≤1mVrms	≤600μVrms	≤1mVrms	≤600μVrms
Current			≤1.5mArms	≤1mArms	≤1.5mArms	≤1mArms
Programming/backward reading resolution
Voltage			1mV	1mV	1mV	1mV
Current			1mA	1mA	1mA	1mA
Programming/backward reading accuracy (±output percentage + quantity of minimum scale interval(s))
Programming		Voltage	0.03%+10	0.02%+5	0.03%+10	0.02%+5
		Current	0.3%+10	0.3%+5	0.3%+10	0.3%+5
Backward reading		Voltage	0.03% +10	0.03% +5	0.03% +10	0.03% +5
		Current	0.3% +10	0.2% +5	0.3% +10	0.2% +5
Load transient response time
It takes less than 50μs 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 + quantity of minimum scale interval(s))
Voltage			≤0.02%+10		≤0.02%+10
Current			≤0.1%+1		≤0.1%+1
Temperature coefficient (±output percentage + quantity of minimum scale interval(s))
Voltage			≤0.02%+10		≤0.02%+10
Current			≤0.02%+10		≤0.02%+10
Other
Command processing time			＜200ms
Cooling method			Fan cooling

ET37 Series Programmable DC Power Supply 1

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Fast and great quotations, informed advisers to help you choose the correct solution that suits all your requirements, a short creation time, responsible top quality manage and distinct providers for paying and shipping affairs for Hot New Products battery capacity tester battery dc Load control - ET37 Series Programmable DC Power Supply – Zhongchuang , The product will supply to all over the world, such as: Thailand, St. Petersburg, Zimbabwe, Insisting on the high quality generation line management and customers expert assistance, we now have designed our resolution to supply our buyers using the to start with amount getting and just after services practical experience. Maintaining the prevailing friendly relations with our buyers, we however innovate our solution lists all of the time to satisfy the brand new demands and adhere to the most up-to-date development of the market in Malta. We have been ready to face the worries and make the improve to understand all the possibilities in international trade.

The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!

By Georgia from Moldova - 2017.02.18 15:54

The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.

By Gloria from Ethiopia - 2018.03.03 13:09

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