HTC SE-09 Socket Tester detects correct connection, open ground, open neutral, and wiring errors. It measures AC voltage from 30V to 260V with a +/-3% accuracy and tests RCDs with a threshold of >30mA, ensuring safety compliance. It provides clear readings in various lighting conditions.

Features:
• LCD Display
• Data Hold
•Three Hole Socket Line Sequence Detection
• Phase Voltage (L_N) Measurement
• Leakage Voltage (N_E) Measurement
• RCD (OF GFCI) Test
• Socket Sequence Test
• Automatic Shutdown Function
• To Detect Wiring Error
• Trip Time Test