Voltage Tester Pens
AC-4 LCD Inductive Voltage Detector Pen
Dual Sensitivity Modes:
Low Sensitivity: Detects AC voltage from 48V to 1000V
High Sensitivity: Detects AC voltage from 12V to 1000V
LCD Digital Display: Real-time voltage indication with clear visual readout
Audible & Visual Alarm: Integrated buzzer and LED indicator for immediate hazard alert
Live/Neutral Wire Identification: Accurately distinguishes between live (phase) and neutral conductors
Breakpoint Detection: Locates open circuits or broken conductors in wiring systems
Built-in LED Flashlight: Provides illumination for low-light working environments
Auto Power-Off: Energy-saving function automatically shuts down the device after period of inactivity
AC voltage range | About 48-1000V (boot default) | About 12-1000V (press S key) |
Frequency | 50Hz/60Hz | |
Type of alarm | LCD display and sound and light alarm | |
Flashlight | LED light | |
Automatic shut-down | Auto shut down when no operation for 5 minutes & no voltage signal is detected | |
Battery low voltage indication | The screen displays low voltage symbol | |
Live wire identification | According to the signal indicating light, LCD screen analog bar, backlight color | |
Sensitivity | Two alternatives | |
Usage temperature | 0 ~ 40℃ | |
Storage temperature | -10~50℃ | |
Altitude | <2000m | |
Security level/phase | CAT.III 1000V / CAT.IV 600V | |
Power supply | 2×1.5V AAA battery | |