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100A Power Meters Monitor Volt Amp kWh Watt Meter with case + CT- The working voltage: 80-260VAC- Test voltage: 80-260VAC- Max power: 100A/22000W- Working frequency: 45-65Hz- The measurement precision: Class 1About Function:- Measurement and monitor the electrical parameters(voltage， current， kwh， watt)- Overload alarm function(more than watt alarm threshold， backlight flashing)- Power alarm threshold preset function(can set up their own power alarm threshold)- Power(kwh)button reset function- When power off ，store the data， when on ，continue the date- Large screen LCD liquid crystal screen full display function(voltage， current ，kwh，watt)- Backlight functionAbout Display:Display interface. By the large screen LCD display LCD monitor voltage and current，kwh，watt，electric parameters1. Watt: the measurement range of 0-22kWless than 1kW: 0.0-999.9Wless than 10kW: 1000-9999Wless than 22kW: 10.0-22.0kW2. kwh: the measurement range of 0-9999kwhless than 10kWh:0-9999Whmore than 10kWh:10-9999kwh3. The test voltage range of 80-260VDisplay format 80-220V4. Current test range:0-100ADisplay format: 0.00-99.99AAbout Button:- Backlight controlcan turn on/off backlight by short press- Power resetStep 1: long press the button (about 5 seconds)，til display flicker， then release the buttonStep 2:if short time press the button again， the power(kwh)reset zero and exit flickerStep 3:if long time press button for 5 seconds until it is no longer flicker， power(kwh)data is not cleared and exit- Set the alarm(watt)Step 1: long press the button， till the LCD screen display "SET CLr"，release the buttonStep 2: show the alarm (watt)value，short time press， value (number)increasedon't press the button for 3 seconds， the setting switch to other bitStep 3: long time press the button(about 5 seconds)---->save the threshold watt valuethreshold setting watt range:0-22.0kWNotices:1. Suitable for indoor ，not outdoor2. should not exceed te rated power3. wiring can not be wrongPackage Includes:1 x AC 100A Power Meters Monitor Volt Amp kWh Watt Digital Cambo Meter with case1 x CT