DC Power Supply Variable, Hyelec 30V 5A Adjustable Switching Regulated DC Bench Power Supply with 4 Digits LED Display, Data Hold,Coarse and Fine Adjustment with 110V Alligator Leads - HY3005B

• 【High Precision】Hyelec adjustable dc bench power supply with precise encoder adjustment knob,using code type potentiometer, users can use the same adjustment knob for coarse and fine adjustment switch, display precision 0.01V and 0.01A, high precision LED display, stable value does not jump word. Press both knobs simultaneously for 3 seconds to hold a set of values, then press for 3 seconds to release  【Constant Voltage (CV) and Current (CC) mode 】Adjust the coarse and fine adjustment knobs to easily dial in the required voltage and current. when the load current reaches the setting current limit value, it will automatically switch to the constant current mode, The LED indicator light on the panel switches from CV light to CC light, and the current displays the limited current value. 【Multi-protection】 Equipped with surge protection output switch, it can prevent damage the equipment when you forget to disconnect the output .  The bench-top power supply includes temperature control fan,power overload, short-circuit protection. It’s applied frontier technology in the industry, the performance has beyond linear power supply and created a record of 72-hours uninterrupted test at full load. 【Extensive use】Suitable for a variety of applications such as laboratory scientific research, mobile phone repair and troubleshooting, electrical maintenance, battery charging, technology and DIY tools, etc 【Packaging and after sales service】1 x HY3005B DC power supply, 1 x output power cable, 1 x input power cable, 1 x English user manual, 24 months warranty and lifetime technical support