This voltage and current signal generator is the most commonly used electrical testing instrument for electrical engineers and technical personnel during the installation, debugging, repair, and maintenance of electrical equipment on site. Terminal block connections, safe and convenient wiring.

High-definition 4-digit digital display, the brightness of the screen is uniform and adjustable (brightness 1-8). Aluminum button cap, electrolytic buttons, high-quality film, charging indicator, battery switch 

.Three power supply methods, external power supply, DC5V micro USB, built-in lithium battery (only if you choose type 1 can you have built-in lithium battery charging function). As long as all the ways to operate, it can also be connected at the same time. External power supply DC 15-30V, which can share the 24V power supply of the PLC and other equipment. Universal MicroUSB interface, can be connected to a power bank, charger, computer USB port, and so on.