LCD Display Socket Tester with GFCI fuction, Receptacle Circuit Detector, 120V AC Household Electrical Diagnostic Tool, Plug-in Socket Checker for Home Outlet Electric Polarity Testing

Product DescriptionThis instrument is a circuit detector, which is suitable for measuring whether the wiring of power socket is correct, the performance test of circuit breaker and the trip time of circuit breaker, and displaying the voltage value and test results through LCD.

• 【GFCI function】： If the GFCI function is tested, please test on the line withcorrect wiring and circuit breaker installed. Short pressing TES key willgenerate 6mA~9mA leakage current to the ground wire, which will tripthe circuit breaker in the line within about 3 seconds. If the trip is success-ful, the LCD will display the trip time to indicate that the line is normal. If not, the LCD will display more than 5 seconds, and there may be wiringerror or circuit breaker failure, please find a professional electrician for maintenance.
• 【Clear LCD Display & Bottom Indicators】： Equipped with a vibrant color LCD display, this tester shows whether an outlet is wired correctly (green for good, red for faults.
• Hot wire and neutral wire are connected reversely: When the instrument is connected to the socket, the screen displays "HOT/NEU REV" and the voltage value between hot wire and neutral wire, and the red light indicates the wiring error.
• 【Reliable and Durable】：The receptacle tester operates reliably in temperatures ranging from 32°F to 122°F (0°C to 50°C) and humidity levels from 0% to 70% RH, ensuring durability and reliability under various working conditions.
• When the GFCI function is used in public places, the test can only be carried out with the permission of the site manager.