$ 8
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Description
This AC voltage frequency meter can atuo detect the real time voltage and frequency. Perfect meter to monitor RV or home generator and shore power. It's a good reminder. Install method: you can dirrectly connect two wires to the tested voltage to measure voltage and frequency . Package includes: 1 x AC voltage frequency meter 2 in 1 AC voltage frequency meter - can automatically detect and display the accurate real-time voltage (V) and frequency (Hz) simultaneously Sensitive digital LED screen display - the small voltage dectector with a upgrade clear and bright LED display, better than LCD; Low working power consumption Easy to use - 2 wires design, just connect directly with your device, it can test automatically, without extra power supply; can embedded buckle installation, more stable Multifunctional application - Only suitable for Pure AC45-65Hz mains supply, can't be used for measuring circuit of square wave, inverter output and sine wave.
