Features 1 Using high quality materials the quality is guaranteed2 AC voltage range AC80 0 300 0V 300 0 450 0V depending on the range you choose 3 Automatic power saving Power saving when power is off The power savings will continue to accumulate the next time you turn it on4 Small and beautiful appearance5 High definition LCD color display the display is clearer and more intuitive6 Wide range of applications Specifications Display color red orange yellow white green blueProtruding size 45 16mmInstallation method rail typeMeasurement accuracy 1 ± 2 wordsMeasurement speed 2 times per secondAC current AC 0 99 99A minimum resolution 0 01APower frequency 45 0hz 65 0hzPower factor 0 00 1 00pfActive power 0 45000w When the active power is between 0 and 9999 9w the display accuracy is 0 1wElectric power 0 999999kwh when the electric power is between 0 and 999 99 kwh the display accuracy is 0 01kwh the display accuracy between 10000 0 9999 9kwh is 0 1kwh and the display accuracy between 10000 0 999999kwh is 1kwh Application method1 According to the wiring diagram connect the green wire of the secondary current transformer to the blue end of the instrument and make the wire of the measurement loop pass through the hole on the current transformer 2 Power on and start the measurement and display the results 3 Press and hold the button for 5 seconds the power is zero Precautions 1 The wrong voltage connection will damage the meter 2 The meter can on