【จัดส่งจากกรุงเทพ】HOMTOOLS HM66 เครื่องตรวจจับแรงดันไฟฟ้า AC NCV 12 ~ 400V ประเภทปากกาเครื่องทดสอบแรงดันไฟฟ้าสําหรับ Live/Null ลวดไฟฉายจอแสดงผล LCD Breakpoint Finder วันที่ถือ

HABOTEST. Inductive Mode Measurement NCV): Built-in sensor, when nearby AC voltage is detected, it will cause the red light to flash and sound an audible alarm, which increases with the signal strength. In addition, when the signal is strong, the display will show-U and-HI". Using this feature, you can locate breakpoints in wires. Replaceable screwdriver head design: Equipped with a slotted cross bit to meet electrical testing and tightening needs. AC voltage and live/neutral detection: Press the voltage button and insert the screwdriver into the AC outlet to get the voltage value, and distinguish the live and neutral wires based on the voltage level. Battery positive terminal detection: Press and hold the CONNECT button on the test lead with your right hand, then touch one end of the battery with your left hand, and finally touch the positive terminal of the battery with the test lead probe at the other end. If normal, the display will display-p and the buzzer will sound. If the conne