• 1.Before usage, please check the tester carefully to confirm whether it is damaged.  If there is any damage, stop using it immediately and send it for repair.
  

  2.To check whether the tester is correct,  please insert the tester into a known correct socket for testing, and use it after ensuring that the test function is normal.

  3.Residual current device test can be performed  normally only when the wiring is correct.

  4.When examining residual current device (RCD),  please turn off the equipment on power line to  ensure that power failure will not cause any  harm. Testing in a public place must be approved. 

  5.If socket wiring error is detected during  usage, please send for professional electrician  to repair the wiring.

• Working temperature	0℃~40℃
  Working humidity	20%~75% RH
  Storage temperature	-10℃~50℃
  Storage humidity	20% ~80%RH
  Altitude	≤2000m
  RCD current	30mA
  RCD working voltage	220V±20V

  
  Working temperature:
• Please refer to the manual for details
• 
• \

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