Open and Close CT 100A AC Power Control Meter Digital Display Voltmeter Ammeter Current Frequency Meter Voltage Factor with Split CT

<p>Open and Close CT 100A AC Power Control Meter Digital Display Voltmeter Ammeter Current Frequency Meter Voltage Factor with Split CT-Open and Close CT 100A AC Power Control Meter Digital Display Voltmeter Ammeter Current Frequency Meter Voltage Factor with Split CT-Product description</p> <p>"Small and practical, easy to use. This product will make your life easier and more convenient.</p> <p>feature:</p> <p>1. Function for measuring electrical parameters (voltage, current, active power, electrical energy, frequency, power factor)</p> <p>2. Overload alarm function (over-threshold power alarm, backlight and power flashing alarm)</p> <p>3. Power alarm threshold preset function (power alarm threshold can be set)</p> <p>4. Energy can use reset button</p> <p>5. Power off to save data</p> <p>6. Large LCD screen</p> <p>7. Backlight function</p> <p>8. Function keys</p> <p>Backlight control</p> <p>Short press the button to turn on or off the backlight, the backlight has a memory function, and the on or off state can be stored when the power is off.</p> <p>reset energy</p> <p>Step 1: Press and hold the button for 5 seconds until the energy flashes, then release the button.</p> <p>Step 2: Short press the key again, the energy value is reset to zero, and the flashing reset state is exited.</p> <p>Step 3: If there is no key operation within 5 seconds, it means the energy value is not cleared and exits the reset state.</p> <p>Setting the power alarm threshold</p> <p>Step 1: Press and hold the button until the LCD displays “SET CLr”, then release the button to enter the setting state.</p> <p>Step 2: The window displays the current power alarm value of Power, and the last digit starts flashing, which can be shortened by 1. If there is no operation for more than 3 seconds, it will automatically switch the position of the</p> <p> figure. method is the same as above.</p> <p>Step 3: After setting is completed, press and hold the button for 5 seconds to store and exit automat