VOLTAGE & FREQUENCY: Voltage Frequency Meter AC 80-500V LED dual display of AC voltage and frequency in the same time.
LED DISPLAY: The data is more intuitive, LED two-color display, red + green, clear and easy for monitoring at a .
CONNECTING DIRECTLY: Do not need power supply, two wires just connect with AC 80-500V directly, then you can finish testing.
INSTALLATION EASY: This Voltage Frequency Meter is easy to install, embedded buckle installation, more stable. The Model of this Voltage Frequency Meter is YB4835VF.
FOR PURE AC 45-60HZ power supply: Meter only fits with pure AC 45-60HZ power supply, not be used for square , inverter output.
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