Rigol DP831A is a 3-channel programmable DC power supply with high accuracy of setting and maintaining voltage and current parameters, as well as low ripple and noise level. Rigol DP831A Power Supply may be used for output parameters control with the possibility of data storage for further analysis. User can program the output parameters, delay and synchronization conditions. The parameters are displayed in real time on the 3.5-inch screen in digital, analogue and graphical forms. The power supply unit meets the safety requirements and has current, voltage and temperature protection. The device will be useful in a repair workshop, in industry, in a laboratory etc.
Features
- 3 channels.
- Fast transient responce time: < 50 μs.
- 3.5 inch TFT display.
- Fan cooling method.
- Connectivity including USB Host & Device, LAN, and Digital IO.
- Standards: CE, cTUVus, ISO9001:2008, ISO14001:2004.
Manuals
Download Rigol DP831A User’s Guide.
Download Rigol DP831A Quick Guide.
Software
Download UltraSigma communication software.
Technical Specifications
| Channels | 3 | |||
| DC Output (measurement accuracy at 0℃ to 40℃) | Voltage/current | CH1: 0 to 8 V / 0 to 5 A CH2: 0 to +30 V / 0 to 2 A CH3: 0 to -30 V / 0 to 2 A |
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| OVP/OCP | CH1：1 mV ～ 8.8 V / 0.1 mA ～ 5.5 A CH2：1 mV ～ 33 V / 0.1 mA ～ 2.2 A CH3：-1 mV ～ -33 V / 0.1 mA ～ 2.2 A |
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| Load Regulation Rate ±(Output Percentage + Offset) |
Voltage | <0.01%+2 mV | ||
| Current | <0.01%+250 μA | |||
| Linear Regulation Rate ±(Output Percentage + Offset) |
Voltage | <0.01%+2 mV | ||
| Current | <0.01%+250 μA | |||
| Ripples and Noise (20 Hz to 20 MHz) | Normal Mode Voltage | <350 μVrms/2 mVpp | ||
| Normal Mode Current | <2 mArms | |||
| Common Mode Current | <1.5 μArms | |||
| Annual Accuracy (25℃±5℃) ±(Output Percentage + Offset) |
Programming | Voltage | 0.1%+20 mV | |
| Current | 0.2%+10 mA | |||
| Readback | Voltage | 0.1%+20 mV | ||
| Current | 0.2%+10 mA | |||
| Resolution | Programming | Voltage | 1 mV | |
| Current | CH1: 0.3 mA CH2/CH3: 0.1 mA |
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| Readback | Voltage | 0.1 mV | ||
| Current | 0.1 mA | |||
| Display | Voltage | 1 mV | ||
| Current | 1 mA | |||
| Command Processing Time | <100 ms | |||
| Temperature Coefficient per℃ (Output Percentage + Offset) |
Voltage | 0.01%+2 mV | ||
| Current | 0.02%+3 mA | |||
| Stability ±(Output Percentage + Offset) | Voltage | CH1: 0.03%+1 mV CH2/CH3: 0.02% + 2 mV |
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| Current | CH1: 0.1%+3 mA CH2/CH3: 0.05% + 1 mA |
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| Voltage Programming Control Speed (1% within the total variation range) |
Rise | Full Load | CH1: <11 ms CH2/CH3: <50 ms |
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| No Load | CH1: <10 ms CH2/CH3: <25 ms |
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| Fall | Full Load | CH1: <13 ms CH2/CH3: <30 ms |
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| No Load | CH1: <200 ms CH2/CH3: <400 ms |
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| OVP/OCP | Accuracy ±(Output Percentage + Offset) |
0.5%+0.5 V/0.5%+0.5 A | ||
| Activation Time | 1.5 ms (OVP≥3 V) <10 ms (OVP<3 V and OCP) |
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| Interfaces | USB Device, USB Host, LAN, RS232, Digital IO | |||
| Power | AC Input (50 Hz to 60 Hz) 100 V AC+10%, 115 V AC+10% 230 V AC+10% (maximum 250 V AC) |
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| Dimensions | 239 × 157 × 418 mm | |||
| Weight | 9.0 kg | |||
Package Contents
- Rigol DP831A programmable DC power supply – 1 pc.
- Power cord – 1 pc.
- USB data cable – 1 pc.
- Spare fuse (50T-050H 250V 5A) – 2 pcs.
- Output terminals for connecting sensors – 1 set
- User manual – 1 pc
