| Quick comparision | DP811 / DP811A | DP821 / DP821A | DP831 / DP831A | DP832 / DP832A |
|---|---|---|---|---|
| Voltage / Current CH1 | 0 – 20 V / 0 – 10 A
oder 0 – 40 V / 0 – 5 A |
0 – 60 V / 0 – 1 A | 0 – 8 V / 0 – 5 A | 0 – 30 V / 0 – 3 A |
| Voltage / Current CH2 | 0 – 8 V / 0 – 10 A | 0 – 30 V / 0 – 2 A | 0 – 30 V / 0 – 3 A | |
| Voltage / Current CH3 | 0 – -30 V / 0 – 2 A | 0 – 5 V / 0 – 3 A | ||
| I/O Ports | USB device, USB Host |
| A-Models | Basic Models | |
|---|---|---|
| Voltage Resolution | 1 mV | 10 mV (1 mV with High-Resolution Option) |
| LAN, RS232 and Digital IO Ports | Included | Option |
| Online Monitoring & Analysis Function | Included | Option |
| Display | 3.5″ (8.9 cm) Color-TFT | 3.5″ (8.9 cm) Monochrome TFT |
The Rigol DP831 is a very high quality programmable laboratory power supply with three switchable outputs ( 8 V/5 A, 30 V/2 A and -30 V/2 A) and a maximum power output of 160 W.
Like all Rigol devices, the power supply features a very well constructed and easy to use interface, which also offers comprehensive ease-of-use functions, such as programmable voltage curves. The menu has an intuitive structure.
The Rigol DP831 features a relative large (8.9 cm / 3.5″) and easy to read TFT monochrome display. In addition to the normal digital displays for voltage, current, and power, these values can also be displayed as signal curves. A timer control can be used to set the output signal to different values in up to 2048 steps.
| Specifications | Rigol DP831 |
|---|---|
| Outputs | 3 |
| Output 1 | 0 to 8 V/DC with max. 5 A |
| Output 2 | 0 to 30 V/DC with max. 2 A |
| Output 3 | 0 to -30 V/DC with max. 2 A |
| Ground Sharing | Output 1 sole GND, Output 2 Output 3 shared GND |
| Output Power (max.) | 160 W |
| Overtemperature shut down | 55 °C |
| Working Temperature | 0 °C to 40 °C |
| Cooling Method | Fan cooling |
| Output Voltage | Output 1 | Output 2 | Output 3 |
|---|---|---|---|
| Output Voltage | 0 to 8 V/DC | 0 to 30 V/DC | 0 to -30 V/DC |
| Accuracy | ±0.1% 20 mV | ±0.1% 20 mV | ±0.1% 20 mV |
| Resolution | 10 mV (1 mV with option) | 10 mV (1 mV with option) | 10 mV (1 mV with option) |
| Overvoltage Protection | 1 mV to 8.8 V | 1 mV to 33 V | -1 mV to -33 V |
| Load Regulation | < 0.01% 2 mV | ||
| Line Regulation | < 0.01% 2 mV | ||
| Ripple and Noise | < 350 μV rms / 2 mVpp |
| Output Current | Output 1 | Output 2 | Output 3 |
|---|---|---|---|
| Output Current (max.) | 5 A | 2 A | 2 A |
| Accuracy | ±0.2% 10 mA | ±0.2% 10 mA | ±0.2% 10 mA |
| Resolution | 10 mA (1 mA with option) | 10 mA (1 mA with option) | 10 mA (1 mA with option) |
| Overcurrent Protection | 0.1 mA to 5.5 A | 0.1 mA to 2.2 A | 0.1 mA to 2.2 A |
| Load Regulation | < 0.01% 250 μA | ||
| Line Regulation | < 0.01% 250 μA | ||
| Ripple and Noise | < 2 mA rms |
| Programmable power supply | Rigol DP831 |
|---|---|
| Display | 8.9 cm (3.5″) WVGA-Monochrome-LCD |
| Resolution | 320 × 240 Pixel |
| Additional Interfaces |
|
| Dimensions (W × H × D) | 23.9 cm × 15.7 cm × 41.8 cm
(9.41″ × 6.18″ × 16.46″) |
| Weight | 9.0 kg
(19.84 lbs) |
| Supported operating systems | no software available, but interfacing with other systems such as LabView is possible. |
| Input | 230 V/AC, 115 V/AC or 100 V/AC (adjustable) |
| Tracking function | The two 30 V outputs can be coupled. When the tracking function is activated, you only need to change one output and the other 30 V output is automatically set to the same value (with the corresponding reverse polarity). |


















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