Introduction
UTP3300-II Series are three-channel linear DC power supplies of adjustable dual channel and fixed single-channel output, featuring tracking, constant voltage/current, series/parallel output, temperature controlled cooling fan, and over voltage/current protection.
Features
- 3-channel linear DC power supplies feature
- High-precision four-digit voltage and current display 10mV/1mA
- Low ripple/noise
- Parallel/series
- Output on/off control
Specifications
| Models | UTP3305-II |
| Rated voltage (CH1/CH2) | 0-32V |
| Rated current (CH1/CH2) | 0-5A |
| Output power | 335W |
| Load regulation | Voltage: <0.01%+3mV |
| Current: ≤0.2%+3mA | |
| Power supply regulation (0-30V) | Voltage: <0.01%+3mV |
| Current: <0.1%+5mA | |
| Setting resolution | Voltage: 10mV |
| Current: 1mA | |
|
Read-back resolution |
Voltage: 10mV |
| Current: 1mA | |
|
Setting/read-back accuracy (25°C+5°C) |
Voltage: +(0.1% of reading+30mV) |
| Current: +(0.3% of reading+10mA) | |
| Ripple and noise (20Hz-20MHz) | Voltage: ≤1mVrms |
| Current: ≤3mArms | |
| Temperature coefficient | Voltage: ≤300ppm/°C |
| Current: ≤300ppm/°C | |
| Recovery time | <100us
(load fluctuation: 50%, minimum load: 0.5A) |
| Parallel load regulation | <0.01%+20mV |
| Parallel power regulation | ≤0.01%+3mV |
| Series load regulation | <300mV |
| Series power regulation | ≤0.01%+5mV |
| CH3 output features | Voltage: 5.0V |
| Current: 3A | |
| Load regulation: 3%+5mV | |
| Power regulation: 5mV | |
| Ripple: <2mV | |
| Power consumption | 700W |
| Safety | Voltage withstand: 1mA 10S (power input – GND AC1800V) |
| Insulation resistance: 300MΩ@ 500V: AC input to the shell | |
| Insulation resistance: 300MΩ@ 500V: AC input to the DC output terminal | |
| Display type | 4-digit LED display |
| Voltage of power supply | AC 110V/120V/220V/230V |
| Frequency | 50Hz/60Hz |
| Product size | 319mm x 146mm x 226mm |
| Product net weight | 10.5kg |
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