- Simultaneous Display: Effortlessly monitor digital voltage, current, and frequency all on one device, allowing for quick assessments and adjustments. - No External Power Needed: Designed for convenience, this device operates without external power sources or transformers, utilizing a compact 120A precision transformer for easy setup. - Precision Measurement: Equipped with a high-quality 120A precision transformer, this device meets stringent standards for accuracy, ensuring reliable readings for a variety of applications. - Compatibility Alert: Specifically designed for pure AC power supply at 50-60 Hz. It is not compatible with square wave, inverter output, or modified sine wave circuits. Using it outside of these parameters may cause damage. Applications: - Ideal for electricians and technicians needing accurate readings of AC voltage and current during installations or repairs. - Useful for monitoring power supply stability in industrial settings where precise measurements are critical. - Perfect for educational purposes in laboratories to demonstrate electrical principles and measurements. With its advanced features and user-friendly design, this device is a must-have tool for professionals and hobbyists alike.