ขาย (springevenwell) rj11 อุปกรณ์เครื่องมือสําหรับใช้ในการทดสอบสายเคเบิ้ล ราคาที่ดีที่สุด

Welcome to our store springevenwell.Wish you have a good shopping. Specification: Brand new Material: Plastic shell Receiver size: approx. 23*4*2.5cm Sender size: approx. 6.7*5.8*2.2cm Box size: approx. 25.5*12cm Working voltage: 9V laminated cell Working temperature/humidity: -10°C-+60°C/20%-70% The instrument is designed to identify and trace wires or cables within a group without damaging the insulation. For telephone line, it can identify some state in the line, and more convenience to install, debug, maintain telephone line. There are a sender and a receiver included in the cable tracker. Application: Judge continuity of the cables or wires. Track the cables or wires, and diagnose the break point. Receive the tone signal on the cables or wires (telephone line) Identify the state in the working telephone line (clear, ring, busy) Send a single solid tone or dual alternating tone to the object cables or wires. Package included: 1 x Sender 1 x Receiver 1 x User manual 1 x Tool bag Note: Please allow 1-2cm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same