DP821

The RIGOL DP821 140 Dual Power Supply is a versatile and high-performance lab instrument designed for use in various electrical testing applications. This power supply comes with two independent channels, each capable of delivering a maximum output voltage of 140V and a maximum output current of 3A.

The DP821 140 is a true dual-range power supply, allowing users to switch between voltage and current output modes with ease. In voltage mode, the power supply offers a wide voltage range from 0.1V to 140V, making it suitable for testing low voltage circuits as well as high voltage applications. In current mode, the power supply delivers a constant current output between 0mA and 3A, making it an excellent tool for current-controlled experiments.

The RIGOL DP821 140 features a user-friendly interface with an intuitive keypad and a high-resolution TFT display. The power supply provides accurate and stable output with a maximum ripple and noise level of less than 1mVp-p and 10mVp-p, respectively, ensuring reliable and precise testing results.

This dual power supply is equipped with various safety features, including overcurrent protection, overvoltage protection, and short circuit protection, ensuring safe and reliable operation. In addition, the DP821 140 offers a variety of output functions, such as DC, AC, DC AC, and pulse waveforms, allowing users to perform a wide range of electrical tests.

The RIGOL DP821 140 Dual Power Supply is an excellent choice for researchers, engineers, and educators who require a high-performance and versatile power supply for their electrical testing needs. Its compact and portable design, along with its comprehensive features, makes it a valuable addition to any lab or testing environment.

The Rigol DP821 140 is a dual power supply designed for use in various applications, particularly in laboratories and educational settings. Here are some pros and cons of buying this power supply:

1. Versatile: The Rigol DP821 140 can output voltage and current levels ranging from DC 10 mV to 140 V and 10 mA to 140 A respectively, making it suitable for a wide range of experiments and applications.

2. Safety Features: This power supply includes overvoltage, overcurrent, and short circuit protection, ensuring the safety of both the user and the equipment.

3. Display: The power supply features a clear and easy-to-read LCD display that shows the output voltage, current, and power.

4. Programmability: The Rigol DP821 140 can be programmed using a built-in keypad or a computer interface, allowing users to create custom waveforms and sequences.

5. Affordable: Compared to other high-performance dual power supplies on the market, the Rigol DP821 140 is relatively affordable.

1. Size and Weight: The power supply is quite large and heavy, which may not be ideal for users who require portability.

2. Complexity: The Rigol DP821 140 has many features and functions, which may make it more difficult to use for beginners or users who only require basic power supply functionality.

3. Limited Input Voltage Range: The power supply only accepts an input voltage range of 100-240VAC, which may limit its use in certain regions or applications.

In conclusion, the Rigol DP821 140 is a powerful and versatile dual power supply that offers a range of safety features, programmability, and affordability. However, its size and weight, complexity, and limited input voltage range may be drawbacks for some users. Ultimately, the decision to purchase the Rigol DP821 140 depends on the specific requirements of the user's application and budget.

If the user requires a high-performance, versatile, and affordable dual power supply with a clear display and safety features, the Rigol DP821 140 is a strong recommendation. However, if portability or simplicity is a priority, other power supply options may be more suitable.

Details:

Connectivity including USB host device with lxi option. 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. Rigol DP821 140 w dual output power supply fast transient response time: up to 10a or 60 v op/cop/opt protection functions built in v, a, measurements and waveform display CPI status registers all the instruments execute status register operations same way. The CPI status systems of the dp800 series multi-channel model's.

Please consider troubleshooting prior to making a return request. Overview the dp800 series power supplies combine the ability to source, analyze, and coordinate over time in a powerful new package. The status system records the various instrument states into three register sets: byte register, standard event and questionable sets. Photos are greatly appreciated.

Optional output delay, analysis, monitor, and trigger functions.

specifications testmultimeters:

• brand: Rigol
• mpn: Dp821
• part type: Supply
• features: 2 Outputs; Total Power Up To 140w
• upc: 645759304872

shipping testmultimeters:

• service: economy
• class: economy
• transit: 3-7 days
• type: fixed

returns testmultimeters:

• time: 30 days
• method: money back
• paid by: seller
• policy: returns accepted

general testmultimeters:

• category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters

seller testmultimeters:

• city: worcester, pennsylvania
• # reviews: 14181
• rating: 99.7%

offer testmultimeters:

• sold #: 6
• availability: in stock
• started: march 31, 2026
• prices: $400.39–$1299.99
• item condition:
  • New
  • Used
• in stock #: 5
• options: ship-to-home

payments testmultimeters:

• other
• wallet: apple-pay
• credit card: diners-club

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