Thiết Bị Thử Điện Không Tiếp Xúc Extech DA30

The DA30 detects AC Current (200 mA to 1000 amps) through shielded wires, conduit, and metal circuit breaker or junction boxes with audible and visual indication. Sensitivity adjustment increases or reduces sensor trigger threshold. CAT III-600-volt, CE approved and UL Listed. Comes with pocket clip, four LR44 button batteries, and user guide.