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DCT220

CABLE LOCATOR

User’s Manual

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Summary of Contents for DCT220

Page 1: ...DCT220 CABLE LOCATOR User s Manual ...

Page 2: ...e effective detecting radius in charged circuits 32 3 4 Non Contact Voltage detection 34 4 Other Functions 35 4 1 Voltmeter functionality on the transmitter 35 4 2 Work light function 35 4 3 Back light function 35 5 36 Specifications 5 1 Transmitter Specifications 36 5 2 Receiver Specifications 36 4 4 Detecting deeply laid circuits 35 4 5 Auto power off function 35 6 37 Repair and Maintenance 6 1 ...

Page 3: ...WARNING This cable locator is produced in accordance with safety specifications for electronic testing instruments Before using this device please read this manual carefully and follow all procedures within Failure to do so could lead to personal injury or damage to the meter Safety Symbols Before using this product please read the following safety instructions carefully Important information Read...

Page 4: ...e meter Do not place the meter in any environment with high pressure high temperature dust explosive gas or vapor Do not place the meter near a strong magnetic field which may cause false readings Avoid placing the meter on any surface with a high mechanical vibration 3 Use To prevent personal injury or damage to the meter during use the following safety instructions should be carefully observed 1...

Page 5: ...Do not use the instrument if the safety of the user cannot be ensured Potential examples are Signs of obvious damage to the unit Measurement results highly deviate from estimated result Instrument stored in unsuitable conditions for extended period Instrument was subjected to physical mechanical stress during transport 6 This instrument is designed to be used as specified within this manual The sa...

Page 6: ...t inside the wall The receiver will change tone based on the intensity of the signal received The transmitter also has built in AC DC voltmeter capabilities to display the voltage of the line being tested along with a warning when testing live conductors The cable locator is useful in maintenance and construction installation of telecommunication lines power lines and building pipelines 1 2 Featur...

Page 7: ...Button Up Button Flashlight under tip Manual Sensitivity Button Non Contact Voltage Button Down Button 1 3 4 Receiver display 1 3 4 5 6 7 8 9 10 2 1 3 Description 1 3 1 Transmitter Ground Jack Input Output Jack LCD Screen Power Button Power Level Select Button Backlight Audio Mute Button Up Button Start Stop Tranmission Button Code Select Button Down Button 1 3 2 Transmitter display Low Battery Si...

Page 8: ...ring testing occurs and the line does not meet the above safety standards 2 When the transmitter is connected with live mains if the Grounding hole of the transmitter isconnected with protective ground phase the current leakage if any in the power supply line may join the ciruit current of the transmitter leading to tripping of the leakage circuit i e tripping of FI RCD 1 Sometimes there might be ...

Page 9: ...nd lead serves as ground 2 Double pole connection Connecting the transmitter using both leads for both live and inactive circuits Live circuits Connect the lead of the transmitter to the live line and the lead to the neutral line If there is no load placed on the circuit the modulated signal from the transmitter will simply go through the mains and return back to the neutral side of the transmitte...

Page 10: ...iver Move the tip along the wall following the path of the cable toward the break The receiver the should produce a tone to indicate it is receiving the signal from the transmitter As the tip of the receiver passes the break in the cable the tone should stop indicating the receiver is no longer receiving the signal from the transmitter This will indicate where the break in the cable is To further ...

Page 11: ...ad circuit Neutral and ground lines must be correctly connected and operational Connect the end of the transmitter to the hot line and the end to the ground like in fig 3 1 2 1 Check to make sure ground is working properly 2 For one pole operation in this configuration adjacent circuits can be tracked the fuse must be removed first 3 If the supply cable fed with the signals via the transmitter is ...

Page 12: ...ll be the location of the interruption 3 Adjust the transmitter level to compensate for differing detection depths 4 In manual mode the proper sensitivity setting is crucial to locating the interruption 3 1 4 Locating interruptions using two transmitters When using the transmitter to locate an interruption in a line depending on the conditions finding the interruption can be difficult to pinpoint ...

Page 13: ...e ground connection 2 Ensure the ground is connected properly There should be considerable distance between the ground terminal of the transmitter and the target line If not the interruption might be difficult to precisely locate Preconditions 1 The point at which the signal received by the receiver drops abruptly will be the location of the interruption 2 Adjust the transmitter level to compensat...

Page 14: ...r the transmitter is to the conductive tube wire 3 During detection when the signal suddenly attenuates this position is where the blockage is at 4 Adjust the transmitter power to get an adequate signal depending on the detection environment You can also put the receiver into manual mode and adjust its sensitivity to pick up the signal from the transmitter adequately Preconditions 1 The ground of ...

Page 15: ...n switch on the distribution board 2 Disconnect the neutral wire in the distribution box from the neutral wires of other floors 3 Connect the transmitter as shown in fig 3 1 8 1 Make sure to properly ground the negative end of the transmitter The ground of the transmitter needs to be far enough away from the pipeline in order for the signal to be clearly received by the receiver 2 Adjust the trans...

Page 16: ...of those signals will be relatively weaker 1 During detection it s best to put the tip of the receiver directly into the fuse box to achieve the best results 2 Adjust the transmitter power to get an adequate signal depending on the detection environment 3 2 1 Closed circuits For use on charged or uncharged circuits For uncharged circuits the transmitter only sends signals to be received by the rec...

Page 17: ...nding on the detection environment 4 You can put the receiver into manual mode and adjust its sensitivity to pick up the signal from the transmitter ad equately Preconditions CANNOT be a live circuit Connect the transmitter as shown in fig 3 2 4 The distance between the laid line and the connecting line to the transmitter needs to be greater than 2 2 5m Follow the example as shown 3 2 4 Detecting ...

Page 18: ...ore wires 1 When switching the connection between core wires switch codes to better distinguish between them 2 Adjust the transmitter power to get an adequate signal depending on the detection environment 3 Add on additional transmitters to use different signal codes simultaneously 3 3 Increasing the effective detecting radius in charged circuits When connecting the transmitter to a live socket us...

Page 19: ...e from the receiver are related to the voltage present and the distance from the circuit The higher the voltage and the shorter the distance to the circuit the greater the displayed signal and the higher the frequency of the tone produced 1 When using the receiver the stronger the signal received the closer the transmitter is to the cable 2 Adjust the transmitter power to get an adequate signal de...

Page 20: ...er to mute the audible beeps of the meter button presses signal strength etc Hold the button again to return the meter saudio to normal 4 5 Auto power off function If the receiver is not used for about 10 minutes it will automatically turn itself off Press the power button to turn it back on Note transmitter has no auto off function 5 Specifications 5 1 Transmitter Specifications Output signal Vol...

Page 21: ...easurement Install new batteries Check the polarity Malfunction Items to be checked Measure to be taken 6 2 Checking the transmitter s fuse The fuse is designed to help prevent damage to the transmitter caused by an overload or user error If the fuse blows the transmitter can still transmit a signal but will be extremely weak If no signal is transmitted yet the battery is good the transmitter may ...

Page 22: ...ith water If electrolyte contacts eyes rinse with cold water and contact a physician immediately 1 Make sure all equipment is turned off and instrument is disconnected from any circuit before replacing the battery 2 Only use the type of battery specified in the specifications 3 If the instrument will not be used for an extended period of time take out the battery before storage to avoid battery le...

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