electric pen tester electrical low smoke detectors testing circuit digital non-contact live wire voltage detector
1.Application
Detecting Live Wires:The primary use is to identify if a wire, outlet, or terminal is carrying voltage by glowing or beeping (depending on the type). Checking Phase (Hot) & Neutral Wires: In AC circuits, it helps distinguish the live (phase) wire (which lights up the pen) from the neutral wire (no light). Verifying Power Presence : Confirms whether a circuit is energized before maintenance to ensure safety. Testing Fuses & Switches : Determines if a fuse is blown or a switch is functioning by checking for voltage at terminals. Grounding Verification : Some advanced test pens can indicate poor grounding or leakage currents. Low-Voltage Indication : Certain models detect low-voltage DC or AC signals in electronics.
2.Features
• non-contact detection of AC voltage
• LED indicator and buzzer
• practical design, easy to carry around
• for use on 50/60 Hz circuits
| voltage range | 90-1000 V |
| safety rating | CAT IV / 1000 V |
| operating temperature | -10 to +50 |
| power supply | 2 x AAA batteries LR03 (incl.) |
| dimensions | 118 x 39 x 20 mm |
| weight | 37 g (with batteries) |
