DC Power Supply UNI-T UDP3305C

The UDP3305C Programmable DC Power Supply is a cost-effective, branded laboratory power supply with four independent channels from UNI-T. The source contains a classic linear transformer and in channels CH1, CH2 enables work in the setting mode of constant output voltage (CV) in the range of 0 to 30V or in constant output current (CC) mode of 0 to 5A. Channel CH3 provides a constant voltage at the output with the possibility of selecting a level of 1.8V; 2.5V; 3.3V or 5.0V and has overload protection when reaching 3.2A current draw. In addition, there is a USB connector on the front panel, which serves as the CH4 channel and can be used to charge, for example, a mobile phone with a voltage of 5V/2A.
Channels CH1 and CH2 can work independently, or they can be connected internally in series or in parallel, then the source supplies a voltage of 0 to 60V/0 to 5A or 0 to 30V/10A.
The laboratory power supply has an EBTN display with 6 high-precision indicators that simultaneously display voltages, currents and powers in each of both channels CH1 and CH2 with an accuracy of 4 places.
The source has programmable parameters. It has 5 memories for easy storage and recall of set modes, and a button lock to prevent unwanted parameter changes. On the back side of the source housing are the USB-Device and RS232 connectors and the DIGITAL I/O interface for remote control of the source. Using the supplied software, it is possible to record and display the consumption or charging characteristics of the connected load in real time on the connected PC in an Excel table or in a graph, and based on SCPI communication commands it can communicate with the computer. Regular calibrations can be performed by software.
The source contains a temperature-controlled fan, long-term temperature overload of the transformer of the laboratory source is monitored by sensors that turn the source off when the limit value is reached and turn it on again after cooling down.


Product parameters :

- fine adjustment of currents and voltages in both channels CH1 and CH2
- six four-digit displays for immediate control of voltages, currents and powers in channels CH1 and CH2
- voltage setting 0 to 30V with a resolution of 10mV
- setting currents from 0 to 5A with a resolution of 1mA
- operation of channels CH1 and CH2 in constant voltage, constant current modes
- possibility of internal connection of channels CH1 and CH2 in series or in parallel
- overvoltage protection (OVP), overcurrent protection (OCP), temperature protection (OTP)
- channel CH3 with a fixed voltage of 1.8V; 2.5V; 3.3V or 5.0V max. 3.2A
- channel CH4 on the USB connector on the front panel for charging e.g. a mobile phone
- built-in buzzer to indicate change of states
- locking buttons to prevent unwanted parameter changes
- USB-Device interface, RS232, DIGITAL I/O on the rear panel
- temperature-controlled cooling fan
- disconnection from the power supply in case of thermal overload of the transformer
- on the back, input voltage selector 110V/120V/220V/230V (AC 50/60Hz)


Technical parameters :

- nominal output voltage CH1 and CH2:


0 to 30V
- nominal output current CH1 and CH2:


0 to 5A
- total nominal output power:



315W
- voltage/current setting resolution (CH1 and CH2):

10mV/1mA
- in (CV) mode, accuracy of voltage setting (CH1 and CH2):
≤ (0.01% of measured value +3mV, at current ≤ 3A)
- in (CV) mode, accuracy of voltage setting (CH1 and CH2):
≤ (0.02% of measured value +5mV, at current > 3A)
- in (CC) mode, current setting accuracy (CH1 and CH2):
≤ (0.2% of measured value +3mA)
- noise and hum (20Hz to 20MHz) on CH1 and CH2 outputs:
≤1mV RMS / ≤3mA RMS
- nominal output voltage (accuracy)/current CH3:

1.8V; 2.5V; 3.3V; 5.0V (±3%, can be set precisely)/max. 3.2A
- noise and hum (20Hz to 20MHz) on CH3 output:

≤2mV
- output voltage/max. current in channel CH4 (USB):

5V ± 0.25V/2A
- temperature coefficient of voltage//current:

≤ 300ppm/°C // ≤ 300ppm/°C
- rated supply voltage:



AC 110V/120V/220V/230V / (50/60Hz)
- protection (at 110/120V/AC power supply):

tube fuse type: T6.3AL/250V (20x5mm)
- protection (with 220/230/AC power supply):

tube fuse type: T3,13AL/250V (20x5mm)
- dimensions (width x height x depth):


240 x 168 x 347mm
- weight:





approx. 10,2 kg
- gross weight of the carton:



12 kg


Contents of individual packaging :

- laboratory source UDP3305C:



1 pc
- power cable:




1 pc
- interface cable USB-A – USB-B (UT-D14):

1 pc
- set of connection cables with alligator clips:

1 set
- spare fuses:




1 pc
- instructions for use:



1 pc
- on order RS232 communication cable:


1 pc


Packaging for bulk customers :

- standard quantity per carton:



2 pcs
- standard carton dimensions:



445 x 365 x 300 mm


MANUFACTURER: UNI-T
www.uni-t.cz


PC link software download link:
https://instruments.uni-trend.com/EU-EN/powersupplies/udp3300.html