mastech ms6812 multi function cable tracker sender receiver repair identify wire<br /><br />the cable tracker 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 senderms6812-tand a receiverms6812-r included in the cable tracker.<br /><br />specification:<br /><br />100% !!!<br />main color: green<br />sender size: about 14.3cml x 3.2mw x 2.3cmh<br />receiver size: about 23.8cml x 3.5cmw x 2.3cmh<br />package size: about 25.5cml x 12.5cmw x 4cmh<br />black/red wire length: about 78cm<br />white wire length: about 54cm<br />tone generator output square waveform: single 1500hz or dual 1300~1500hz<br />power supply: 2x9v 6f22 battery<br />send tone frequency: 1.5khz <br />receive frequency range: 100 ~ 300 khz <br />approved: ce<br /><br />functions:<br /><br />1. judge continuity of the cables or wires. <br />2. track the cables or wires，and diagnose the break point. <br />3. receiver the tone signal on the cables or wirestelephone line. <br />4. identify the state in the working telephone lineclear，ring，busy. <br />5. send a single solid tone or a dual alternating tone to the object cables or wires.  <br />note: the line to be tested must not be in a state to be electric， or the signal interference will affect the detection results.<br /><br />applications:<br /><br />- judge continuity of the cables or wires<br />- track the cables or wires， and diagnose the break point<br />- receiver the tone signal on the cables or wires telephone line<br />- identity the state in the working telephone line clear， ringing， busy<br />- cables repair<br /><br />attention:<br /><br />1. when nonuse， take away the senderthe test circuitry， and switch to &amp;quot;off&amp;quot;.<br />2. keep awaymoisture.<br />3. do not use the tester under the hight voltage environment. always follow this user's manual， otherwise it may cause the damage to the tester or personal injury.<br /><br />note:<br /><br />1. please check the size measurement chart carefully before making payment.<br />2. please allow 0.5-1 inch difference due to manual measurement.1 inch=2.54cm<br />3. the color of the actual items may slightly differentthe listing images due to different computer sn， thanks for your understanding.<br />4. instruction is included.<br />5. 2pcs batteries are included.<br /><br /> package included:<br /><br />1 x receiver <br />1 x sender <br />1 x cloth bag <br />2 x 9v batteries <br />1 x user manual