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Mastech 37270766, Operating Instructions Manual, Page: 3 / 34

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Summary of Contents for 37270766

Page 1: ...Page 1 of 34 Operating Instructions Cable Detector In order to be able to use the cable detector to the full read the operating instructions attentively and completely before taking the device into operation and store this document where it is easily accessible ...

Page 2: ...5 1 3 DETECTING CABLE BREAKS 16 5 1 4 DETECTING LINE BREAKS WITH TWO TRANSMITTERS 17 5 1 5 FAULT DETECTION IN DEFECTIVE ELECTRIC UNDERFLOOR HEATING 18 5 1 6 LOCATING BLOCKAGES IN NON CONDUCTIVE LINES 19 5 1 7 LOCATING METAL WATER AND HEATING PIPES 20 5 1 8 FINDING A CIRCUIT IN A STOREY 21 5 1 9 TRACKING LINES UNDER PLASTER 22 5 2 TWO POLE USE 23 5 2 1 USE IN CLOSED CIRCUITS 23 5 2 2 DETECTING FUSE...

Page 3: ...WITCH OFF 30 7 TECHNICAL PARAMETERS 31 7 1 TECHNICAL PARAMETERS OF THE TRANSMITTER 31 7 2 TECHNICAL PARAMETERS OF THE RECEIVER 31 8 REPAIR AND MAINTENANCE 31 8 1 TROUBLESHOOTING 31 8 2 CHECK THE TRANSMITTER FUSE 32 8 3 CLEANING 33 8 4 CHANGING THE BATTERY 33 8 5 CALIBRATION 33 9 ADDRESSES 34 10 LEGAL NOTICE 34 ...

Page 4: ...Scope of delivery Examine the cable detector carefully after opening the package and make sure that it was not damaged during shipping Thoroughly check the accessories control switch and connections If there is obvious damage or a malfunction contact the supplier immediately ...

Page 5: ...ration and follow all instructions Failure to follow the instructions or to comply with the warnings and safety instructions in this manual can lead to damage to the equipment severe injury or death Definition of safety instructions Table 1 Safety symbols Important information that the user must read before first use of the equipment Shows that this connection can be hazardous Conformity mark Tabl...

Page 6: ... following environments 3 Operation Follow these instructions to prevent shock short circuits and explosions 1 This cable detector can be used directly with parts conducting current However take insulation measures in accordance with industry safety regulations in order to prevent shocks and injury 2 To prevent shocks the applicable safety and VDE rules relating to excess contact voltages must be ...

Page 7: ...hanically stressed during transportation 6 The test device may be used only for the intended purpose under the intended conditions Operating safety is no longer assured if the device is modified or altered 1 The operating temperature of the cable detector is between 0 40 C 32 104 F 2 To avoid damage the device should be protected from excessive mechanical vibration during use and especially agains...

Page 8: ...induced voltage The device amplifies the weak voltage signal several hundred times and then based on the signal changes and after decoding the audio frequency demodulation and digital processing shows the position of hidden cables and pipes as well as their defects on an LCD screen The cable detector is user friendly and features pushbutton operation with confirmation by a buzzer It also has a vis...

Page 9: ...C DC status of that voltage and a warning signal that grid voltage is present The transmitter has a self test function that detects its status and shows it to the user on the LCD display The receiver display can show the transmitter power the codes sent the energy remaining in its battery and that of the transmitter the AC signal found and a warning signal for grid voltage The receiver sensitivity...

Page 10: ...Operating instructions for Cable Detector article 37270766 Page 10 of 34 3 3 Description and function 3 3 1 Transmitter illustration 3 3 2 Transmitter display ...

Page 11: ...g instructions for Cable Detector article 37270766 Page 11 of 34 3 3 3 Receiver illustration 3 3 4 Receiver display 3 3 5 Receiver display in search mode 1 Automatic mode 2 Manual mode 3 Grid voltage detection ...

Page 12: ...rid voltage there is often a small spark when the measurement sensor touches grid voltage This is a normal reaction 2 If the Start Stop Code Set or Level Set key is active the other two are inactive 3 If the receiver is operating in automatic mode it can be switched to manual mode or grid voltage ident mode at any time if the receiver is set to manual mode the UAC or MANUAL key is reactivated only...

Page 13: ...o the grid conductor phase and the ground terminal of the transmitter to the grid neutral conductor If the grid wire is not live the modulated current from the transmitter will pass through the distributed capacity in the grid line to the neutral wire and return to the transmitter The transmitter is connected to voltage free wires Connect the terminal of the transmitter to a grid neutral connectio...

Page 14: ... to switch it on When the receiver LCD display shows the starting image the buzzer will sound and the receiver will go to automatic mode by default Slowly move the receiver probe along the cable until you reach the break When the symbol 3 of the receiver shows the transmission power 8 will show the code sent by the transmitter and 9 the dynamic signal strength The loudspeaker will change its pitch...

Page 15: ... in open circuits is suitable for locating sockets and switches that are not bearing current 2 The tracking depth depends on the material and the conditions of use The ideal tracking depth is 0 to 2 m The protective conductor of a plug socket can be used to ground the transmitter ...

Page 16: ...setting the right sensitivity 1 Make sure there is a complete ground connection 2 With single pole display it is also possible to track lateral circuit junctions 3 If the supply line getting signals from the transmitter is directly parallel to other wires e g cable slots of channels or if the wires cross the signals will also be sent to the other wires 4 During search and tracking the signal will ...

Page 17: ...ot included in the scope of delivery and must be ordered separately Requirements The circuit must not be live All unused leads must be connected to ground as shown in Fig 3 1 4 Connect and use both transmitters per Fig 3 1 4 Proceed as in the example application If the transmitters are connected per Fig 3 1 4 receiver C will show the line break on the left If the receiver is moved to the right ove...

Page 18: ...ded cables and leads differs since the individual wires in the shielded cable are twisted around each other 5 1 5 Fault detection in defective electric underfloor heating Requirements The circuit must not be live All unused leads must be connected to auxiliary ground as shown in Fig 3 1 5a Connect both transmitters if two will be used as shown in Fig 3 1 5b Proceed as in the example application 1 ...

Page 19: ...ing at the break location there will be an abrupt decline in the signal shown at the receiver 2 Adjust the transmitter power to suit the different search radii 3 The position you are searching for can be detected precisely by switching the receiver to manual mode and setting the right sensitivity 4 A second transmitter is not absolutely necessary for this application For using just one transmitter...

Page 20: ...ing pipes is shown in Fig 3 1 7a and Fig 3 1 7b For reasons of safety the power supply to electrical components must be switched off 1 The end of the transmitter ground conductor should be at a certain distance from the pipeline under test If the distance is too small the signal and the circuit cannot be precisely located 2 Adjust the transmitter power to suit the different search radii 3 The stro...

Page 21: ... shown in Fig 3 1 8 For reasons of safety switch off the power supply of the entire building Make it without electricity 1 The end of the transmitter ground conductor should be correctly grounded and at a certain distance from the pipeline being searched for If the distance is too small the signal and the circuit cannot be precisely located 2 Adjust the transmitter power to suit the different sear...

Page 22: ...e between the ground lead and the circuit being searched must be as large as possible If the distance is too small the signal and the circuit cannot be precisely located 2 The search depth is very dependent on the floor condition Set a suitable receiver sensitivity in order to precisely locate the circuit 3 Moving the receiver slowly along the circuit under test you will notice that the display ch...

Page 23: ...shows the voltage of the charged circuit as shown in Fig 3 2 1 1 The upper electric limit of the transmitter is 400 V AC DC 2 Use in closed circuits is suitable for finding plugs switches fuses etc in electric installations of wires carrying and not carrying electrical voltage 3 The search depth depends on the material of the cable and the way it is used The normal search depth is less than 0 5 mm...

Page 24: ...and positioning of fuses depend very much on the wiring situation in the distributor box In order to locate fuses as precisely as possible the cover of the distributor box should be opened or removed and the fuse supply line located 2 When searching the fuse with the strongest and most stable signal is the one you are looking for Due to signal coupling the searcher can detect the signals of other ...

Page 25: ...ience has been that only short circuits with an impedance lower than 20 Ohms can be correctly detected The impedance of the short circuit can be determined with a multimeter 1 If the impedance of the short circuit is higher than 20 Ohms try using the procedure for locating interruptions in circuits to find the short circuit Use a relatively high current to connect the faulty component low Ohm conn...

Page 26: ... be some kind of conductive wires or wire rolls The important thing is that the interval between supply line and ring conductor be greater than the depth at which the cable is laid In practice this interval is usually 2 m or more Requirements The circuit must be voltage free Connect the transmitter as shown in Fig 3 2 4 The interval between supply line and ring conductor must be at least 2 2 5 m T...

Page 27: ...ve first switch off the current to make the cable free of current 2 The ends of the unshielded centre wires must be twisted together and conductive to each other 3 If using only one transmitter run multiple tests by 4 changing the connection between the transmitter and centre wire 1 Changing the connection between the transmitter and centre wire makes it possible to distinguish between different c...

Page 28: ... Fig 3 3 2 where the ring conductor uses a separate cable in order to increase the effective radius to over 2 5 m Ring conductors over longer distances can be made with a wire roll see Fig 3 3 2 Make sure to follow the safety instructions when connecting live circuits to the transmitter Pay attention to the right distance between the transmitter and the circuit under search so that the circuit is ...

Page 29: ...ith the voltage measurement function of the transmitter 2 When searching for the ends of compound cables each wire must be separately connected to the phase conductor 1 A transmitter is not necessary for this application unless you want to use the measurement function of the transmitter to determine the voltage in the circuit 2 The columns shown on the transmitter for signal strength and signal to...

Page 30: ...und lighting Press the Background lighting key 5 on the receiver to turn on the Background lighting To turn it off press the key again The transmitter does not have a background lighting function 6 4 Silent function Press the Silent mode key 8 on the transmitter to turn off the buzzer The buzzer will now not make any noise when a key is pressed Press the Silent mode key on the transmitter again to...

Page 31: ...rature range Operation 0 C to 40 C max rel humidity 80 no condensation Storage 20 C to 60 C max rel humidity 80 no condensation Height Max 2000m Dimensions HxWxD 241 5mm x 78mm x 38 5mm Weight Without battery Approx 280g With battery Approx 350g 8 Repair and maintenance 1 If the detector does not appear to be working first make sure that the batteries have enough power and the test lead is not def...

Page 32: ... fuse has melted down the transmitter can only transfer weak signals If the transmitter self test was successful but the transferred signal is weak it means that signal transfer is good but the fuse has melted If no signal is detected in transfer mode during transmitter self testing the transmitter is defective and should be repaired by customer service Special procedure and steps to test the tran...

Page 33: ...lso explode or catch fire 2 Do not connect the two poles of the battery with a conductive wire and do not put the battery in a fire as it can explode 3 Never attempt to disassemble the battery The electrolyte in it is highly alkaline and can cause chemical burns If the electrolyte comes into contact with skin or clothing rinse the affected areas with fresh water If the electrolyte gets into the ey...

Page 34: ...Original manufacturer declaration for cable detector Manufacturer Wilhelm Fricke SE D 27404 Heeslingen 1st edition October 2016 2016 Wilhelm Fricke GmbH Reproduction in whole or in part is prohibited without the written consent of the Wilhelm Fricke GmbH company All names of products mentioned in this manual are trademarks of their respective companies Printed on paper made from chlorine and acid ...

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