Top Constant Voltage Power Supply Reviews

Power Supply, DPS3005 /DPS5005 Communication Version Bucks Power Supply Step-Down Voltage Converter(DPS3005-USB-BT)

The constant voltage and constant current programmable control power supply module put the collection of analog integration and digital control functions in one.DPS3005 /DPS5005 have same functions, only the technical parameters are different,for example, voltage, current ,etc.
This module has power-down stored function and can store 10 groups preset value.And it also has the function of extracting quickly two groups stored value. Though this module has reverse connection protection and output short circuit protection, you can muse be in strict accordance with connection description to connect. If you connect the supply power with output, the module will be burnt.
Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required. This module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied.
LCD display on the module has the function digital voltmeter and ammeter.You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power, etc.
On the setting data interface, you can adjust over-voltage value, over-current value, o....

Check Stock

DEVMO DP20V2A Constant Voltage Constant Current Programmable Control Step-Down Supply Power Module

The constant voltage and constant current programmable control power supply module is cabinet and delicate, and it put the collection of analog integration and digital control functions in one..
Its adjustable output voltage range is 0-20.0V, step by 0.1V. Its adjustable output current range is 0-2.00A, step by 0.01A..
The constant voltage and constant current programmable control power supply module is cabinet and delicate, and it put the collection of analog integration and digital control functions in one. Its adjustable output voltage range is 0-20.0V, step by 0.1V. Its adjustable output current range is 0-2.00A, step by 0.01A. Boot voltages can be stored freely and the model has two groups of quick storage voltage. Compared with the traditional analog power supply, it is more convenient to quickly extrac.
Adjusting preset voltage:Pressing SET button, page down to U-SET, press the codding potentiometer, then enter toadjustnumeric value. Press codding potentiometer in turn to choose the numeric value you want to adjust. Turn codding potentiometer to adjust the numeric value. If you want toexit adjusting voltage, press shortly SET. In the process of adjusting preset voltage, if you open output voltage mode by pressing the ON/OFF, the output voltage wi....

Check Stock

DC Buck Converter, DROK DC to DC Step Down Power Supply Module 10V-65V to 0-60V 0-12A Adjustable Voltage Regulator Transformer Board with LED Display for Volt Reducer

Output current range is 0-12A, can be arbitrary adjustable.
【LED Display】This power supply module is designed with LED display, which can show real-time voltage, current, capacity and time..
【Constant Current and Voltage with Indicator Lights】This volt transformer board can set constant output voltage and constant output current by the key buttons. Also, the module is equipped with working status indicator lights, which are output OUT, constant voltage CV and constant current CC respectively, so that the working status can be checked in real time..
【Auto Output and Button Lock Mode】Automatic output can be set after power on. And The parameter adjustment button can be locked to prevent misoperation to adjust the output voltage and current parameters..
【Cooling fan and cooling pad】This adjustable power supply converter is equipped with cooling fan and cooling pad which can keep it cool when it’s too hot..

Check Stock

Replacement UV Tube; 4 watts, 365 nm

【Advantage】High precision LED digital display, intuitive. Light weight and mini size.Easy to operate..
【Constant】Constant Voltage (CV ) & Constant Current (CC ) Function. Suitable for various occasions which need to use DC Power Supply..
【Advanced & Protection Functions】Advanced technology, effectively reducing the weight of the power, power moves. Suitable for general or lab use. Overcurrent protection (OCP), over temperature protection (OTP), over power protection (OPP)..
【Thermal Effect & Low Noise】8cm smart fan, thermal effect, effectively extending fan life, reducing noise.Plastic panels, more beautiful, coarse harmonic voltage and current settings finetuning knob, set more precise..
【Wide Application】Battery charging. Car DVD, car audio. Aging products, such as resistors, capacitors, relays, motor, LED, and so on. Laboratory, factory, repair power supplies.All other where DC power supply is required..

Check Stock

B&K Precision 878B Dual Display Handheld Universal LCR Meter

Converts AC to DC: features AC to DC power supply Variable linear/ regulated design. Provides convenient and reliable AC-to-DC Power conversion W/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, ham radio, etc.
Usb and Screw-Type terminals: This workbench linear variable power supply features dual USB charge port and universal screw connection terminals compatible w/ a wide range of device/equipment. Used to test device/equipment operation and performance.
Plug-in operation: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need for an external battery or additional power source.
Short-circuit protection: Equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. Has rugged and durable housing construction safe for benchtop or desktop Placement.
Amp gauge and volt meter display: this DC bench power supply is equipped with rotary control for the adjustable powe....

Check Stock

DC Variable Power Supply WZ5005 Adjustable Switching Power Supply with 4 Digit LCD Display for Lab Equipment and Electronic Testing

MULTI-PROTECTION FUNCTION-- DC power supply is made of flame retardant material with small size and light weight, possess constant voltage and constant current output, overvoltage and overcurrent protection, overtemperature and undervoltage protection for long time usage..
EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input vo....

Check Stock

CGOLDENWALL Lab Compact Spin Coater Machine Spin Processor EZ4 + Oil-free vacuum pump + VACUUM SPIN CHUCK HS-EZ4

MULTI-PROTECTION FUNCTION-- DC power supply is made of flame retardant material with small size and light weight, possess constant voltage and constant current output, overvoltage and overcurrent protection, overtemperature and undervoltage protection for long time usage..
EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input vo....

Check Stock

DC Power Supply Variable, Vlifree 30V 10A Adjustable Switching DC Bench Power Supply with 4-Digits LED Display, Data Hold, Coarse and Fine Adjustments(00.01V, 0.001A) with 110V/45.3in Alligator Leads

...igh Precision & Versatility - The Vlifree DC bench power supply has a resolution of 0.01V and 0.01A, and you can easily adjust it in the range of 0-30V and 0-10A.
The 4-digit back-lit LED display provides more accurate and clearly visible readings for the voltage and current value, even in conditions of low voltage.
Constant Voltage (C.V.) & Current (C.C.) Mode - Adjust the coarse and fine adjustment knobs to easily dial in the required voltage and current.
When the load current reaches the current limit value, it will automatically switch to the constant current mode, you can easily see the amperage and voltage change as circuit components are switched in and out.
Multiple Protections - Come with Output button, this button can prevent you from damaging the device by forgetting to disconnect the output.
the Vlifree power supply consists of a temperature-controlled fan, over-voltage, power overload, short-circuit protection, and a 5A input fuse, you can use it for a long time without interruption.
Wide Application- The lab power supply made of high-quality materials is compact, lightweight and easy to carry.
Vlifree DC power supply is ideal for various applications, such as school lab experiments, cell phone repairing and troubleshooting, electronic prod....

Check Stock

Bradford Protein Assay w/BSA Protein Standard, 500 Assays, 10478- by Cepham Life Sciences

Linear Power Supply for Super quiet Output with low ripple and clean Voltage and Current.
High precision DC regulated power supply with 0-30 volts and 0-5 amp outputs.
Two operational modes: constant voltage and constant current.
Cooling fan automatic activation by built-in thermo-sensor,Back-lit LED Display with a 0.1V and 0.01A resolution,.

Check Stock

UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module

UCTRONICS Variable Bench Power Supply DSP5005 - Buck Converter DC 6-55V to 0-50V 5A Precision Digital Adjustable Step Down - Constant Voltage and Current, 10 Preset Settings Switchable: This power supply combines digital control with analog integration. Its output range: Voltage is 0-50.00V, step by 0.01V.
This step down voltage regulator can store M0-M9 10 groups preset value when power-down. Keep pressing M1 or M2 more than 2s, the corresponding data group will be extracted and displayed on the right of the screen.
The 1.44 in colorful LCD monitor can display the preset voltage, input voltage, output voltage, the preset current, output current, output power at the same time. On the output state remind area, you can monitor that the key is locked or not, output is normal or not, the state of constant voltage and constant current, the current data set prompt and output opens or not.
There are four button-"M1", "M2", "SET" and "ON/OFF", and a coding potentiometer. Can be used for to set the output voltage and output current on the main display interface, set the data on the data setting interface, set the protection value, adjust the brightness of screen, extract Shortcut storage data group M1 or M2, etc..

Check Stock

DC Power Supply Adjustable (30V 10A), Eventek Variable Switching Regulated Digital Power Supply with Alligator Leads US Power Cord (30V 10A)

【High-definition display】Variable power supply, backlit LED can display 3-digit readings in high-definition, and the values can be easily seen in low-light environments. You can easily adjust it in the range of 0-30V and 0-10A..
【Constant voltage and constant current mode automatic conversion】Constant voltage mode (C.V.) and constant current mode (C.C.) will automatically switch with the connection of the load, of course, you only need to rotate the fine adjustment and coarse adjustment knob to get the value you want , extremely easy, it will become a good hand for your work and life..
【Stable output and intelligent heat dissipation】 Low noise output, output ripple less than 200mv, sustainable and stable output. And built-in thermal sensor, intelligent temperature control, greatly improve output stability and service life!.
【Safe and Reliable】For your safety, all power supplies have been manufactured and tested in multiple processes, and have functions such as short circuit protection, thermal protection, and overload protection..
【Small and Diverse Applications】Worried about the bulky power supply? This DC power supply weighs less than a laptop at just 3.2 pounds, saving more space on your workbench. And you can use it in vario....

Check Stock

DC Power Supply Variable(0-30 V 0-5 A), Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, with Alligator Leads US Power Cord

【High-definition display】Variable power supply, backlit LED can display 3-digit readings in high-definition, and the values can be easily seen in low-light environments. You can easily adjust it in the range of 0-30V and 0-5A..
【Constant voltage and constant current mode automatic conversion】Constant voltage mode (C.V.) and constant current mode (C.C.) will automatically switch with the connection of the load, of course, you only need to rotate the fine adjustment and coarse adjustment knob to get the value you want , extremely easy, it will become a good hand for your work and life..
【Stable output and intelligent heat dissipation】Low noise output, output ripple less than 200mv, sustainable and stable output. And built-in thermal sensor, intelligent temperature control, greatly improve output stability and service life!.
【Safe and Reliable】For your safety, all power supplies have been manufactured and tested in multiple processes, and have functions such as short circuit protection, thermal protection, and overload protection..
【Small and Diverse Applications】Worried about the bulky power supply? This DC power supply weighs less than a laptop at just 3.2 pounds, saving more space on your workbench. And you can use it in various....

Check Stock

Pyramid Universal Compact Bench Power Supply - 9 Amp Regulated Home Lab Benchtop AC-DC Converter Power Supply for CB Radio, HAM w/ 13.8 Volt DC 115/230V AC Switchable, USB, Cigarette Lighter - PSV90

CONVERTS AC TO DC: The switching DC power supply features AC-DC converter variable linear / regulated design. Provides reliable AC-to-DC power conversion w/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, HAM radio, etc.
USB AND SCREW-TYPE TERMINALS: This workbench variable power converter features USB charge port and universal screw connection terminals compatible w/ a wide range of device/equipment. Used to test device/equipment operation and performance.
PLUG-IN OPERATION: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need for an external battery or additional power source.
SHORT-CIRCUIT PROTECTION: This PSU is equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. Has rugged and durable housing construction safe desktop placement.
CIGARETTE LIGHTER: This desktop bench power supply is equipped w/ cigarette lighter, a power socket adapter to provide ....

Check Stock