Cable Fault Locating System

live cable identifier

type:ZC-701E
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  • Product Introduction

ZC-701E  power on cable identifier, also known as cable identifier, multi-functional cable identifier and intelligent cable identifier, is designed for power cable engineers and cable workers to solve the technical problems of cable identification. The user can accurately identify one of the target cables from multiple cables through the instrument, so as to avoid serious accidents caused by missawing off live cables. Cable identification starts from the operation of both ends of the cable. It must ensure that the double numbers of both ends of the cable are correct. The instrument design adopts PSK technology and precise algorithm. The product also has the functions of live cable identification, power-off cable identification, AC current test and AC voltage test. It is composed of transmitter, transmitting current clamp, receiver, receiving flexible current clamp, etc. during the identification of live cable, 10 cables can be pre calibrated(sampling) at the transmitting side, and then received at the far end(other side) for identification, which greatly saves the engineering personnel's round-trip operation time and improves the work efficiency. 

  • Product Parameters
Transmitter specification
FunctionTransmit complex pulse frequency current signal, display residual battery voltage, transmit dynamic indication of state 
Power11.1V large capacity Li-battery, Full charge continuous operation for about 8 hours
Output waysclamp input signal for live cable identification; direct output for power off cable identification
Transmit frequency625Hz、1562Hz、2500Hz、10KHz(power on cable identification),press ↑ ↓ arrow to adjust frequency
Pulse voltage500V(power off cable identification)
Pulse current5A max(depends on circuit resistance)
Pulse frequency1times/sec
Pulse width2ms
Test wire length3m,Crocodile clip,red &black each 1pcs
Clamp Jaw diaφ125mm
Receiver  specification
FunctionIdentification of live cable and power-off cable; AC voltage, current and frequency test
Power7.4V rechargeable Li-battery, USB charge port, full battery works 6hours 
Receiver frequency625Hz、1562Hz、2500Hz、10KHz
Enlarge1dB、10dB、20dB press  ← →  key adjust
Rated currentApprox 300mA max
RangeAC volt: 0.00V~600V(50Hz/60Hz)
AC: 0.00A~5000A(50Hz/60Hz)
Frequency: 45Hz~70Hz
AccuracyAC volt:±2%±3dgt
AC:±2%±3dgt
AC frequency:±2%±3dgt
Detecting speedApprox 1times/sec
Current clamp jawφ200mm(customized)


  • Product Features

Transmitter:When live cable or power-off cable identification, the signal is sent to the target cable. The built-in large power rate rechargeable Li-battery has automatic impedance matching and full-automatic protection. The transmitter adopts the integrated special toolbox design, uses polypropylene plastic as the raw material, and adds a new compound filler for one-time injection molding, which has the advantages of small density, strength, rigidity, hi-hardness, wear resistance, heat resistance and insulation performance. Its box can bear about 200kg of pressure. The super large LCD of the host shows the remaining battery power in real time, white backlight and dynamic indication of transmission signal, stick out a mile.

Transmitting clamp:When identifying the live cable, the transmitting clamp couples the signal sent by the transmitter to the target cable. The clamp size is Φ 125mm. The transmitting clamp has directionality, and the transmitting signal flows in from the direction indicated by the arrow on the transmitting clamp.

Power on cable identification:The clamp output pulse current and transmit four frequencies: 625hz, 1562hz, 2500Hz and 10kHz. The transmission clamp couple the target cable (the target cable is a three core armored cable or has metal shield layer) and inject the composite pulse current signal into the cable. The pulse current generates electromagnetic field around the target cable for detection and identification by the receiver and the flexible current clamp. The pulse current has directionality.      

Power off cable identification:pulse code current signal inject into the cable core, which generates electromagnetic field around the target cable for detection, decoding and identification by the receiver and flexible current clamp; because the current has directionality, the detection also has directionality. 

Receiver:as a handheld device, with 3.5-inch color LCD screen, built-in high-speed microprocessor, combined with precise algorithm, to identify and decode the pulse code current signal of the transmitter. When charged, it has the function of transmitting signal calibration. At the same time, it can calibrate 10 cables, display the signal strength and detection results, which is exquisite and intuitive. The color scale bar is displayed dynamically, which is clear at a glance, and the cable identification is successful Mark √ and × for non target cable, which can identify target cable quickly and automatically. At the same time, the test voltage range is AC 0.00v-600V (50Hz / 60Hz), the test AC range is AC 0.00A-5000A (50Hz / 60Hz), and the test current frequency is 45Hz-70Hz. 

Flexible current clamp:Rockwell coil, with excellent transient tracking ability, and can quickly identify the pulse code current generated by the transmitter. It is suitable for thick cable or irregular conductor. The inner diameter of the jaw is about 200 mm, which can clamp the cable below Φ 200 mm without disconnecting the line to be measured, non-contact measurement, safe and fast.


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