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UDP3000S SERIES

The UDP3000S Series is a high-performance programmable linear DC power supply. It has a clear LCD user interface, excellent performance indicators, a variety of analysis functions and communication interfaces. It can meet the diversified test needs of users. It aims to provide cost-effective DC programmable power supply equipment for teaching, scientific research, industry and other fields.


Programmable linear Power
TYPE
4
CHANNELS
328W
TOTAL POWER
0~30V
OUTPUT VOLTAGE
0~5A
OUTPUT CURRENT
1mV,1mA
RESOLUTION
<0.03%+10mV <0.2%+5mA
SETTING ACCURACY
LCD interactive interface

LCD interactive interface

Using a 4.3-inch high-definition display screen, it provides users with a man-machine interface with rich functions and simple operation, which can display the current set output voltage/current, actual output voltage/current and protection output voltage/current value of the power supply in real time. The functional interface is simple and comprehensive, easy to operate.

One-key setting for series and parallel

One-key setting for series and parallel

The series-parallel connection between CH1 and CH2 of the main channel can be realized without external connection, which simplifies the connection and makes the test easier.

List/Delayer function

List/Delayer function

With list and delay setting functions, it can set up to 2048 sets of data according to test requirements, and the number of cycles can reach 99999. It is used with waveform templates, which is very convenient for cycle testing and aging testing.

Rich remote control interface

Rich remote control interface

Standard RS232 communication interface, Ethernet interface, Digital I/O and master and slave USB interfaces, can be controlled by remote connection to Ethernet, or through RS232 and USB, with the host computer software to achieve software control.

UDP3305S-E

TYPE:Linear
CHANNELS:4
TOTAL POWER:328W
OUTPUT VOLTAGE:CH1/CH2:0~30V CH3:0~6V CH4:5V
OUTPUT CURRENT:CH1/CH2:0~5A CH3:0~3A CH4:2A
RESOLUTION:10mV,1mA
SETTING ACCURACY:<0.3%+20mV <0.2%+5mA
CONNECTIVITY:USB Device,RS-232,LAN,USB host,Digital I/O
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UDP3305S

TYPE:Linear
CHANNELS:4
TOTAL POWER:328W
OUTPUT VOLTAGE:CH1/CH2:0~30V CH3:0~6V CH4:5V
OUTPUT CURRENT:CH1/CH2:0~5A CH3:0~3A CH4:2A
RESOLUTION:1mV,1mA
SETTING ACCURACY:<0.03%+10mV <0.2%+5mA
CONNECTIVITY:USB Device,RS-232,LAN,USB host,Digital I/O
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USER MANUAL
download

UDP3000S User's Guide

Version:V1.0
Release Date:2022.05.31
DATASHEETS
download

UDP3000S Data Sheet

Version:V1.0
Release Date:2022.05.30
ACCESSORIES
Model
Description
Price
Manual Download
3C
3C
Power cable
UT-L41
UT-L41
Capacitor clamp short test lead
SOFTWARE
Name
Version
Release Date
Download
UDP3000S Software
V1.0
2022/06/17
download
How to set the constant voltage/current output mode?

Constant current output:When the current value set by the power supply is less than the current value consumed by the load, the power supply is operating in constant current mode. Ithe setting current value<Ithe load consuming current value

Constant voltage: When the current value set by the power supply is greater than the current value consumed by the load, the power supply is operating in constant voltage mode. Ithe setting current value>Ithe load consuming current value



What is the meaning of display resolution, programming resoultion and readback resolution of programmable DC power supply?

Display resolution refers to the minimum voltage, current digits displayed on the screen.

Programming resolution refers to the minimum settable voltage and current.

Readback resolution refers to the minimum voltage and current readback inside the machine.



What is the difference between the line regulation and the load regulation?

Line regulation refers to the effect of the input voltage on the output voltage

Load regulation refers to the effect of load changes on the output voltage



What is PPM?

PPM is the abbreviation for per million. It is used to describe temperature drift value of voltage reference. For voltage reference,  1ppm/℃ refers to the output voltage deviates from its nominal value by one millionth of a degree for every 1°C change in ambient temperature at a reference point (usually 25°C)

For example,  a voltafe reference has a nominal value 2.5V and TC is ±10ppm/°C,  when the ambient temperature changes by 1°C and 10°C for each change in the base of 25°C, its output voltage will become:

2.5V±10ppm/℃X1℃=2.5V±0.000025V

2.5V±10ppm/℃X10℃=2.5V±0.00025V


What is Accuracy and Resolution?

Resolution:For example, a ruler with a minimum scale of 1mm, namely, the size of the measurement of the smallest is 1mm and it can not measure the number smaller than 1mm. Thus 1mm is its minimum resolution.


Accuracy:If the value is 100mm and the measured value is 105mm, the radio of the difference is 0.05 (105-100)/100=0.05. Accuracy is the difference between the measurement result and the real value.


Precision: An object is known as 100mm nominal and was measured 5 times. The values are respectively 102,105,106,108,109. The difference between these data and the real 100mm are relatively small which indicating it has a good precision. 



No screen display(blank screen)

If the generator still remains blank screen when power on.

1) Check whether the power supply is connected properly.

2) Check whether the power switch on the rear panel is set to "I".

3) Check whether the power switch on the front panel is connected .

4) Restart the instrument.

5) If the instrument still can't work normally, please contact your UNI-T dealer or local offices for support.



No waveform output

Correct settings but no waveform output

1) Check whether the BNC cable is properly connected to the channel output.

2) Check whether the key CH1 or CH2 is turned on.

3) Save the current settings of the instrument to a USB flash drive and "restore factory settings",  then restart the instrument.

4) If the instrument still can't work normally, please contact your UNI-T dealer or local offices for support.


Can not recognize U disk

1) Check whether the USB flash drive device is working properly.

2) Make sure you are using Flash type USB flash drive device, this instrument does not support hard disk type USB flash drive device.

3) Restart the instrument and insert the USB flash drive again to see if it works properly.

4) If the USB flash drive still can not be recognized, please contact UNI-T dealer or local office and let us serve you.


Maintenace and Cleaning

(1) General Maintenance 

Do not store or put the instrument under direct sunlight for a long time, especially the LCD display panel. Caution:  Sprays, liquids or solvents are not allowed for the instrument or probe  to avoid damage to the instrument or the probe. 

(2) Cleaning 

Check the instrument and probe frequently according to the operating conditions. Fellow the steps to clean the surfaces of the instrument.


Please use a soft cloth to wipe dust on the surface of the instrument and probe. When cleaning the LCD panel, be careful not to scratch the transparent protective film. 


Power off the instrument first and wipe the instrument with a soft cloth.Use a mild detergent or water to clean if necessary.


Do not use any abrasive chemical cleaners as they may damage the instrument or the probe. 


Warning: Make sure the instrument is completely dry before rebooting. Moisture may cause electrical short-circuit or even personal injury!



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