When it comes to bench power supply kit, one of the standout kits is the control mechanism used for adjusting the output voltage and current. This kit typically offer users the convenience of knobs for adjustment, but you may not be familiar with the distinction between the Encoder Knob and the Coarse and Fine Adjustment Knob.
Now, we will delve into the subtle differences of these control knobs, exploring their respective functionalities. Understanding these distinctions between the two knobs will empower users to make the most of variable bench DC power supply and achieve precise control over its applications.
Bench DC Variable Power Supply Encoder Knob
The Encoder Knob is an important kit of DC bench power supply variable that brings precise output to your applications. Unlike traditional rotary knobs, the encoder knob is designed for accurate adjustment. What sets the encoder knob apart is its ability to provide real-time feedback through its digital display or scale markings. As you turn the knob, you can see the values change on the display, enabling you to precisely set the desired voltage or current levels.

However, it’s important to note that the encoder knob is primarily designed for coarse adjustments. While it excels at quickly establishing the approximate range of voltage or current, it may not be the ideal choice for extremely fine-tuning needs. Achieving minute adjustments with the encoder knob can be challenging due to its limited resolution compared to other control methods.
Bench DC Power Supply Variable Coarse and Fine Adjustment knob
The “Coarse and Fine Adjustment Knob” is a valuable kit of bench top power supply when it comes to achieving precise control over your power supply output. These knobs are specifically designed to cater to applications that demand meticulous adjustments. The beauty of the Coarse and Fine Adjustment Knob lies in its dual-mode functionality.

In the coarse adjustment mode, it enables users to rapidly set the initial parameters, whether it’s the voltage or current, within a wide range. This swift adjustment feature is particularly useful for quickly configuring the approximate output levels. However, where it truly excels is in its fine adjustment mode. By seamlessly transitioning to fine-tuning, it empowers users to make incremental and minuscule adjustments, ensuring the utmost accuracy and stability in the output voltage or current.
ETOMMENS – Best DC Bench Power Supply Variable
As a professional DC power supply manufacturer, ETOMMENS offers Custom, OEM/ODM, and Wholesale/Agent services to meet the diverse needs of our customers, ensuring high-quality power solutions tailored to your specific requirements.
Among our range of variable DC bench top power supplies, we offer numerous models equipped with coarse and fine adjustment knob. Our best-selling DC bench power supplies for sale are the Variable Switching DC Bench Power Supply 0-30V 0-5A (eTM-305F) and the 4-Kob Variable Benchtop DC Power Supply 0-60V 0-10A (eTM-6010).
Important Features:
- Low Noise and Low Ripple
- Constant Voltage & Current Mode Automatic Conversion
- Excellent Heat Dissipation with Intelligent Fan
- Multiple Safety Protection: Overvoltage, Overcurrent, Overpower & Short Circuit
- Dual Frequency Technology: Energy-saving and Eco-friendly
- Wide Applications: Laboratory Work, Electronic Repair, Scientific Research, Aging Testing, etc.
Important Features:
- High Precision 4-digit LED Display of Voltage, Current & Power
- Intelligent Fan Cooling & Low Noise
- 5 Powerful Protections: Overvoltage, Overcurrent, Overpower, Overheating & Short Circuit
- Output Switch Control: Prevent Damage The Equipment
- Coarse and Fine Adjustment of Voltage and Current
- Various Applications: Laboratory Scientific Research, Communication Equipment Maintenance, Factory Manufacturing Tests, etc.
In conclusion, our bench DC power supplies offer versatile solutions for various applications, providing precise and stable power output. Below are some of our top-selling bench variable power supply models, where you can explore more of our popular products.
- 30V DC Bench Power Supply Variable
- 60V Bench DC Power Supply Variable
- 120V Bench Top DC Power Supply Variable
- 30A Benchtop DC Power Supply Variable
- 30V 5A Variable DC Bench Power Supply
- 30V 10A Variable Bench DC Power Supply
- 30V 20A Variable Bench Top DC Power Supply
- 60V 10A Variable Benchtop DC Power Supply