DP821A Comparison
| photo | price | summary | rating |
|---|---|---|---|
 | $37.05 | Top Pick! Condition is New, Compatible LCD Fit For Rigol DP821 DP822 DP821A DP822A Power Screen repair, shipping cost = $15.00 | 99.1% |
| $39.00 | Top Pick! Condition is New, Compatible LCD Fit For Rigol DP821 DP822 DP821A DP822A Power Screen repair, shipping cost = $16.00 | 100.0% |
 | $709.00 | Condition is New, Rigol DP821A Dual Output 140 W Programmable DC Power Supply, FREE SHIPPING | 99.8% |
 | $709.00 | Condition is New, Rigol DP821A DC Power Supply, shipping cost = $45.95 | 100.0% |
The RIGOL DP821A is a versatile and high-performance dual channel programmable DC power supply designed for a wide range of applications in research laboratories, education, and industrial settings. With a maximum output voltage of 140V and a maximum output current of 20A per channel, this power supply offers ample power to drive various experiments and tests.
Each channel of the DP821A is independently programmable, allowing users to configure voltage, current, and power levels according to their specific requirements. The power supply supports both constant voltage (CV) and constant current (CC) modes, as well as a combination of both (CC/CV) for more complex experiments.
The user-friendly front panel interface of the DP821A includes a large, backlit LCD display and intuitive keypad for easy navigation through the various functions and settings. The power supply also features a comprehensive set of protection functions, such as overvoltage, overcurrent, short circuit, and over temperature protection, to ensure the safety of both the power supply and the connected equipment.
The RIGOL DP821A is equipped with a high-resolution digital interface, enabling precise control and data acquisition. Users can connect the power supply to a computer using a GPIB, RS-232, or USB interface for remote control and data logging. The power supply also supports various software packages, including LabVIEW, WaveRunner, and NI-VISA, for advanced data analysis and automation.
The DP821A power supply boasts excellent stability and accuracy, with a voltage regulation of 0.01% and a current regulation of 0.03%. It also features a low ripple and noise output, making it ideal for applications where low distortion is crucial. The power supply comes with a comprehensive set of accessories, including BNC and banana plug adapters, a protective cover, and a user-friendly quick start guide.
Overall, the RIGOL DP821A dual channel programmable DC power supply offers a powerful and flexible solution for a wide range of applications, with its high performance, user-friendly interface, and advanced data acquisition capabilities. Whether you're a researcher, an educator, or an industrial professional, the DP821A is an essential tool for your laboratory or workshop.
Rigol DP821A Dual 140W Programmable Power Supply: A Comprehensive Analysis
The Rigol DP821A is a versatile and powerful dual-channel programmable DC power supply, suitable for various applications in research, education, and industrial settings. In this analysis, we will discuss the key features, advantages, and disadvantages of the Rigol DP821A to help you make an informed purchasing decision.
Features:1. Dual-channel capability with independent voltage and current control for each channel.
2. Wide voltage range: 0-140V for each channel.
3. Wide current range: up to 3A per channel.
4. Built-in safety functions, such as overvoltage, overcurrent, and short-circuit protection.
5. USB interface for remote control and data acquisition.
6. Programmable via GPIB, RS-232, and LAN interfaces.
7. Graphical user interface (GUI) for easy operation.
Advantages:1. Versatility: The Rigol DP821A can handle a wide range of applications due to its dual-channel capability and wide voltage and current ranges.
2. Safety: The built-in safety functions ensure the protection of the device and the user from potential hazards.
3. Connectivity: The power supply offers multiple interfaces for remote control and data acquisition, providing flexibility for various applications.
4. User-friendly: The intuitive GUI and easy-to-use software make the power supply accessible to users with different levels of expertise.
5. Affordability: The Rigol DP821A is competitively priced compared to similar power supplies from other reputable manufacturers.
Disadvantages:1. Limited waveform generation capabilities: The power supply does not offer advanced waveform generation features, such as pulse or triangle waves.
2. Limited memory capacity: The power supply has limited memory capacity for storing and recalling voltage and current sequences.
3. Limited communication protocols: While the power supply supports popular communication protocols like GPIB and RS-232, it may not be compatible with more advanced protocols used in some specialized applications.
4. Limited documentation: Some users have reported that the documentation provided with the power supply is not detailed enough for advanced users.
Conclusion:The Rigol DP821A is an excellent choice for users seeking a versatile, safe, and affordable dual-channel programmable power supply for various applications. Its wide voltage and current ranges, built-in safety functions, and multiple interfaces make it a valuable tool for researchers, educators, and industrial professionals. While it may not offer advanced waveform generation capabilities or extensive memory capacity, its affordability and user-friendly design make it a strong contender in the market.
Recommendation:If you are looking for a dual-channel programmable power supply that offers a wide voltage and current range, safety features, and multiple interfaces, the Rigol DP821A is an excellent option to consider. It is well-suited for various applications in research, education, and industrial settings and offers a good balance between affordability and functionality.
Details:
Built in v, a, w measurements and waveform display. Op/cop/opt protection functions. The CPI status systems of the dp800 series multi-channel model's. Support for output delay, analysis, monitor, and preset functions.
Photos are greatly appreciated. The status system records the various instrument states into three register sets: byte register, standard event and questionable sets. 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. Please consider troubleshooting prior to making a return request.
Overview the Rigol dp831a is a very high quality programmable laboratory power supply with three switchable outputs 8 v/5 a, 30 v/2 a and -30 a maximum output of 160 w. CPI status registers all the instruments execute status register operations in same way. Connectivity including USB host device, LAN, and digital io. The Rigol dp831a features a relative large 8.9 cm / 3.5 and easy to read Taft color display.features:: 2 outputs; total power up 140 watts .
Dual output, 140 w programmable dc power supply build remote communication you can build the remote communication between dp800 and PC over USB, LAN, rs232 or glib option, be extended via USB-glib interface converter. The menu has an intuitive structure.
specifications testmultimeters:
- brand: Rigol
- mpn: Dp821a
- part type: Supply
- features: 2 Outputs; Total Power Up To 140 Watts
- country/region of manufacture: China
payments testmultimeters:
- credit card: diners-club
- other
- wallet: apple-pay
offer testmultimeters:
- availability: in stock
- sold #: 15
- started: july 17, 2025
- options: ship-to-home
- in stock #: 4
- prices: $37.05–$709.00
- item condition: New
shipping testmultimeters:
- transit: 4-7 days
- service: economy
- class: economy
- type: fixed
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
seller testmultimeters:
- # reviews: 11367
- city: worcester, pennsylvania
- rating: 98.7%
returns testmultimeters:
- paid by: seller
- method: money back
- time: 30 days
- policy: returns accepted