Description
Introduction Rigol DP822A DC Power Supply
The RIGOL DP822A DC Power Supply redefines what engineers, researchers, and educators expect from a programmable bench PSU. This dual-channel linear power supply delivers up to 180W of clean, stable DC power — 20V/5A on Channel 1 and 5V/16A on Channel 2 — with ultra-low ripple noise below 350 μVrms/2 mVpp. RIGOL engineers the DP822A with a 3.5-inch full-color TFT display, remote sense capability, and an intuitive menu system that reduces setup time dramatically. Rigol DP822A DC Power Supply The built-in V, A, and Rigol DP822A DC Power Supply W measurement engine lets users monitor power consumption live without external meters. The advanced waveform display, timer output (up to 2048 steps), recorder, analyzer, and trigger I/O functions give the DP822A capabilities that far exceed its price class.
Specifications Rigol DP822A DC Power Supply
| General | |
| Model | DP822A |
| Brand | RIGOL Technologies |
| Series | DP800 |
| Type | Programmable Linear DC Power Supply |
| Number of Channels | 2 (independent) |
| Total Output Power | 180 W maximum |
| Display | 3.5-inch (8.9 cm) TFT Color Display |
| Output Specifications — Channel 1 | |
| Voltage Range (CH1) | 0 – 20 V |
| Current Range (CH1) | 0 – 5 A |
| Max Power (CH1) | 100 W |
| Output Specifications — Channel 2 | |
| Voltage Range (CH2) | 0 – 5 V |
| Current Range (CH2) | 0 – 16 A |
| Max Power (CH2) | 80 W |
| Performance | |
| Ripple & Noise (Voltage) | < 350 μVrms / 2 mVpp (20 Hz – 20 MHz) |
| Ripple & Noise (Current) | < 2 mArms |
| Line Regulation (Voltage) | < 0.01% + 2 mV |
| Line Regulation (Current) | < 0.01% + 250 μA |
| Load Regulation (Voltage) | < 0.01% + 2 mV |
| Load Regulation (Current) | < 0.01% + 250 μA |
| Transient Response Time | < 50 μs |
| Programming Resolution (Voltage) | 1 mV |
| Programming Resolution (Current) | 1 mA |
| Annual Accuracy — Voltage (CH1 Programming) | 0.05% + 20 mV |
| Annual Accuracy — Current (CH1 Programming) | 0.2% + 5 mA |
| Annual Accuracy — Voltage (CH1 Readback) | 0.05% + 10 mV |
| Annual Accuracy — Current (CH1 Readback) | 0.15% + 5 mA |
| Protection Functions | |
| Over-Voltage Protection (OVP) | Standard |
| Over-Current Protection (OCP) | Standard |
| Over-Temperature Protection (OTP) | Standard |
| Advanced Functions | |
| Remote Sense | Yes (both channels) |
| Timer Output | Up to 2048 groups |
| Waveform Display | V, A, W waveform curves |
| Recorder | Standard (A model) |
| Analyzer | Standard (A model) |
| Monitor | Standard (A model) |
| Trigger I/O | Standard (A model) |
| Delay Output | Standard |
| Connectivity & Interfaces | |
| USB Host | Standard |
| USB Device | Standard |
| LAN (Ethernet) | Standard (A model) |
| RS232 | Standard (A model) |
| Digital I/O | Standard (A model) |
| GPIB (USB-GPIB Adapter) | Optional |
| Remote Control Protocol | SCPI |
| Physical & Environmental | |
| Input Voltage | 100 – 240 VAC, 50/60 Hz |
| Dimensions (W × H × D) | Approx. 233 × 107 × 297 mm |
| Weight | Approx. 6.1 kg |
| Operating Temperature | 0 °C – 40 °C |
| Storage Temperature | -20 °C – 70 °C |
| Humidity | ≤ 80% RH (non-condensing) |
| Cooling | Fan-assisted convection |
| Safety / EMC Standards | CE, UL |
| Warranty | 3 Years (RIGOL) |
Key Features
- Dual independent output channels: 20V/5A (CH1) and 5V/16A (CH2), total 180W
- Ultra-low ripple noise: < 350 μVrms / 2 mVpp for cleaner power in sensitive circuits
- Fast transient response time under 50 μs handles rapidly changing load conditions
- Built-in voltage, current, and wattage measurement with real-time waveform display
- Remote sense on both channels compensates for cable voltage drop
- Standard OVP, OCP, and OTP protection shields DUT from damage
- Timer output with up to 2048 programmable steps for automated voltage sequencing
- Advanced recorder, analyzer, monitor, and trigger I/O (exclusive to DP822A)
- Full connectivity: LAN, USB Host/Device, RS232, Digital I/O — SCPI command compatible
- 5-inch TFT color display with clear, intuitive menu navigation
- Independent channel control enables Series, Parallel, or standalone operation
- SCPI-compatible for seamless integration with LabVIEW, Python, and MATLAB
Applications Rigol DP822A DC Power Supply
- Electronics R&D and prototype circuit validation
- Microcontroller, FPGA, and SoC power supply sequencing
- Battery and fuel cell simulation and drain analysis
- Pre-compliance EMC testing and power integrity checks
- University and vocational electronics laboratory training
- Production line functional testing and automated test equipment (ATE)
- Telecommunication and IoT device characterization
- Automotive electronics sub-system development
- Power amplifier and RF circuit biasing
- Consumer electronics development and quality assurance
Who Uses This Rigol DP822A DC Power Supply
- Electrical and electronics engineers in R&D departments
- University professors and students in EEE and applied physics labs
- Hardware startups and maker-space prototype builders
- Embedded systems developers who need precise, stable DC rails
- Electronics technicians in repair and service centers
- Quality assurance engineers in manufacturing environments
- Automation engineers building ATE (Automated Test Equipment) setups
- Researchers in renewable energy, power electronics, and materials science
Frequently Asked Questions (FAQ) Rigol DP822A DC Power Supply
Q1: What is the maximum output power of the Rigol DP822A DC Power Supply?
The DP822A delivers a combined maximum output of 180W — up to 100W from Channel 1 (20V/5A) and up to 80W from Channel 2 (5V/16A). Rigol DP822A DC Power Supply
Q2: Does the DP822A include remote sense functionality?
Yes. Both output channels support remote sense. This feature compensates for resistance losses in the output cables and ensures the load receives the exact programmed voltage.
Q3: What interfaces does the Rigol DP822A support for remote control?
The DP822A supports LAN (Ethernet), USB Host, USB Device, RS232, and Digital I/O — all standard on the A model. An optional USB-to-GPIB adapter expands compatibility further. All interfaces use the SCPI command set.
Q4: Can I use the DP822A with LabVIEW or Python for automated testing?
Yes. The DP822A accepts SCPI commands over LAN, USB, and RS232. RIGOL provides free PC software (UltraPower), and the instrument works seamlessly with LabVIEW, Python (via pyvisa), and MATLAB for automated test scripting.
Q5: What protection functions does the DP822A provide?
The DP822A includes Over-Voltage Protection (OVP), Over-Current Protection (OCP), and Over-Temperature Protection (OTP) as standard features on both channels, protecting the device under test and the instrument itself.
Q6: Is the Rigol DP822A available in Bangladesh, and can I get a warranty?
Yes. ASTZBD supplies the Rigol DP822A DC Power Supply across Bangladesh. The instrument carries a 3-year RIGOL manufacturer warranty. ASTZBD provides local after-sales support and assists with warranty claims.
Q7: What is the difference between the DP822 and the DP822A?
The DP822A (A model) adds LAN, RS232, Digital I/O interfaces, plus advanced functions — recorder, analyzer, monitor, and trigger I/O — as standard features. The base DP822 model treats these as optional upgrades. For professional lab use, the DP822A delivers superior value.
Q8: How many timer steps can I program on the DP822A?
The DP822A timer supports up to 2048 programmable output groups. Each group sets a specific voltage, current, and duration, enabling complex automated power sequencing for long-duration tests.
Why Buy from ASTZBD
- 100% Genuine RIGOL product — sourced directly from authorized distribution channels
- Competitive pricing for the Bangladesh market with transparent BDT quotation
- Fast delivery across Dhaka, Chittagong, Sylhet, Rajshahi, and all major cities
- Pre-sales technical consultation from qualified engineers — free of charge
- After-sales support and calibration service available
- Manufacturer warranty honored with local service facilitation
- Easy corporate and institutional purchase with proper invoice and VAT receipt
- Secure payment: bank transfer, mobile banking (bKash/Nagad), and PO accepted
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