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The Rigol DP821 is a very high quality programmable laboratory power supply with two switchable outputs (60 V/1 A and 8 V/10 A) and a maximum power output of 140 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 DP821 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.
| 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 |
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