20A 100A AC 80-260V DC 6.5-100V Digital LED Display Voltmeter Ammeter Wattmeter Power Energy Meter 12V 24V 110V 220V Volt Tester

Function

• Electrical parameter measurement function (voltage, current, active power, energy)
  
• Overload alarm function (over power alarm threshold, backlight and power flashing to alarm).
  
• Power alarm threshold preset function (can set power alarm threshold)
  
• The reset function of energy key.
  
• Store data when power off.
  
• Large-screen LCD (display voltage, current, active power, energy at the same time)
  
• Backlight function.

Appearance and Key function

Display Interface

Display interface is large-screen LCD, it can display voltage, current, power, energy parameters at the same time.

Key

• Backlight control Short press the key to turn on or off the backlight, the backlight has memory function, it can store the on or off state when power off.

Reset energy 

• Step1: Long press the key for 5 seconds until the number in energy display window flash, thenrelease the key.
  
• Step2: Short press the key again, then the energy value is cleared and exit the reset flashing state.If you don't want to clear, then long press the key for 5 seconds until the number doesn't flash, it means the energy value is not cleared and will exit the reset state.

Set power alarm threshold

• Step1: Long press the key until the LCD screen display "SET CLr", then release the key to enter the setting state
• Step2: Power window display the current power alarm value and the last digit begin to flash, then you can short press to plus 1, when there is no operating over 3 seconds, it will switch the digit position automatically, the setting method is as same as the above.
• Step3: After finish the setting, long press the key over 5 seconds will store automatically and exit, the range of active power threshold is 0.0~4.5kw

Precautions

• This module is suitable for indoor, please do not use outdoor.
  
• Applied load should not exceed the rated power.
  
• Wiring order can't be wrong