Extech TG20

TG20 查线器套装可识别线对、检查导通性和测试电话线的极性。发送器带有末端连接到标准 RJ11 电话接头的输出电缆。非接触式放大器探头可识别选定线缆的声音，以便您轻松从源头跟踪到终端。配有查线器探头和发送器，以及 RJ11 电话接头、一对鳄鱼夹和两节 9V 电池。

• Transmitter with output cables terminated in modular RJ11 phone connector
• Transmitter injects traceable signal into cables, checks telephone lines, and performs continuity checks
• Non-Contact probe audibly identifies selected wire or cable
• Easily trace wires from source to termination
• Test for properly operating phone lines
• Adjustable sensitivity control improves wire identification and eliminates false detection
• Continuity test — visible indication