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Detection and locating, measuring equipment
Water leak detectors, cable and pipe locators

Cable locator and acoustic fault detector Success ATG-127E

High tech kit with multi-frequency transmitter for buried utilities detection and acoustic cable fault detection.


  • High precision location of underground utilities up to 6 m
  • Transmitter - 120W, frequency range: 200 to 9999 Hz
  • Distance of tracing is 5 km from the place of transmitter connection
  • Detection of insulation deterioration on cables by non-contact methods: sharp decreasing of the signal level, by using the sensor DODK (extra tool), the phase "double-frequency" method "Δφ" and the amplitude of "double-frequency" the method of "ΔA"
  • Detection of insulation deterioration on cables by contact method : Sensor DKI (extra tool)


Brief description:

  • Receiver frequencies: 50(60) Hz / 100(120) Hz / 512 Hz / 1024 Hz / 8192 Hz / 33 kHz
  • Transmitter - 120W, frequency range: 200 to 9999 Hz
  • Storage of 31 signal level with a graph displayed
  • Visual indication of the signal on the display: scale, graph and spectrum
  • Graphic visualization (moving chart) of sequence of measurements, max and min signal levels
  • Sound indication
  • Choice of bandwidth
  • Two-segment indication of frequency spectrum (and “filtered”) signal
  • Light weight
  • Comfortable to wear for long terms
  • LCD display
  • Warranty: 1 year


  • Cable fault location by electromagnetic and acoustic methods (with high-voltage pulse transmitter, which is not included into the set)
  • Detection of insulation deterioration on cables by contact and non-contact methods
  • Detection of cables up to 6 m depth
  • Detection of metal pipelines up to 6 m depth
  • Survey the ground before the ground works
  • “Broadband” mode
  • Distance of tracing from the place of transmitter connection is up to 5 km
  • Indirect measurement of the depth


Receiver AP-027 Technical specifications

Parameter Tracing Leak detection
Type of accepted signal Continious /pulse Continious signal
Frequencies of the receiver’s filter Central frequency of quasi- resonant filter 50 to 60 Hz,100 to 450 Hz through 50 Hz, 120 to 540 Hz through 60 Hz, 512 Hz / 1024 Hz / 8192 Hz/ 33kHz Range limitation "below" 0,1 / 0,15 / 0,21 / 0,31 / 0,45 / 0,65 / 0,95 / 1,38 kHz Range limitation "above" 2,00 / 1,38 / 0,95 / 0,65 / 0,45 / 0,31 / 0,21 / 0,15 kHz
«Broadband», (operating mode) 0,05 to 8,6 kHz 0,09 to 2,20 kHz
Gain factor 100 dB 120 dB
Visual indication
  • Liquid-crystal display-symbols and meaning of the chosen modes and parameters.
  • animated (moving) scale of the output signal level
  • digital value and animated (moving) scale of the output signal level
  • graphic (moving diagram) of the output signal level - frequency content of the output signal level
  • digital and graphic display of output signal levels kept in the "memory"
Sound indication Headphones natural broadband or filtered signal
Headphones-synthesized sound. Frequency modulation -
Built-in emitter - synthesized sound. Frequency modulation -
Supply Voltage 4…7 V. - alkaline batteries АА type 1,5 V (4 pcs.).
Time of continuous operation not less than 20 hours
Ambient temperature -20°С to +50°С
Ingress protection rating IP54
Receiver AP-027 dimensions 220 × 102 × 42 (mm)
Weight of the electronic unit 0,46 kg

Specifications of AG-120

Frequency of transmitted signal
Frequencies f1, f2, f3 (three frequencies fixed in memory), Hz Range 200 to 9999 (selected in the range with a resolution of 1 Hz and accuracy of ±0,05% Hz and input in the power- independent memory)
Frequency f4 (one «temporary»), Hz Range 200 to 9999 (selected instead of one of the «fixed», not input to the memory, exists while the power is on)
Generation modes
Mode 1 Continuous «СО»
Mode 2 pulse duration, ms pulse rate, Hz Short pulses transmission «РU» 350 0,7
Mode 3 Pulse duration, ms Pulse rate, Hz Three frequencies (sent with alternation of frequencies f1, f2, f3) «3F» 350 1,4
Output parameters
Output current
Maximum in manual mode: - continuous and three frequencies generation, А - pulse generation, А 10 15
Specified for auto matching Four values (I1, I2, I3, I4) Selected in the range 0,1 to 9,9 А with a resolution of 0,1А and kept in power-independent memory
Maximum output voltage
- when working in safe mode, V - under internal power supply, V - with added external accumulator 12V, V - when supplied from power adapter, V 24 220 330 140

Standard set

Standard set:

  • Receiver AP-027
  • Acoustic sensor AD-227
  • Carrying rod for AD-227
  • Extension carrying rod for AD-227
  • Contact rods for AD-227
  • Magnet for AD-227
  • Electromagnetic sensor EMD-247
  • Transmitter АG-120
  • Inductive antenna IEM-301.3
  • Headphones
  • Grounding rod
  • Cables and accessories


Sensor DKI-117

DKI sensor is used with cable locating receiver for location of insulation damage in power cables, gas and heat pipes.

Sensor DODK-117

Searching of cable faults at shorting of its armoring to the ground. Searching of outer insulation defects of metal pipelines (water, gas) at trenchless laying.

Sensor NR-117

Selection of the cable from a bunch.

Clamps CI-110

Identification of the cable, the function “selection the cable from a bunch”. Non-contact connection to the pipelines or to the cable. Available in various sizes.

Portable electromagnetic sensor MED-127

MED-127 is used for the selection of the cable from a bunch, for location of internal wiring and cable fault location.

AA accumulators with charger

Set of type AA rechargeable accumulators and chargers for AP-027 and AP-014.



If you want to receive price quotation for Cable locator and acoustic fault detector Success ATG-127E, Contact us via email: info@technoac.com or leave a message in "Contact us" section.