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Metravi TDRL-912 Telecom Cable Fault Locator

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Metravi TDRL-912 Telecom Cable Fault Locator

Metravi TDRL-912 Telecom Cable Fault Locator

(Based On 10 Reviews)

The Metravi TDRL-912 Cable Fault Locator is specially designed for Telecom Cables and can measure the exact fault location such as the broken line, cross faults, earthing, poor insulation, and poor contact of the lead covered telecom cables as well as plastic telecom cables.

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₹ 1,95,750.00

(GST inclusive price) i
  • Base Value: ₹ 165889.8
  • GST: (18) % ₹ 29860.2
  • Total Value ₹ 195750

₹1,95,750.00

( - 0% OFF )

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Description

Key Features

  • Digital Gain Adjustment Control: to make the gain adjustment very easy.
  • Digital Waveform Automatic Identification technique: to make sure there is no test dead zone.
  • Top-grade ARM single chip micro-computer: enables calculations and judge fault waveforms accurately.
  • Display: Large colorful LCD, easy and simple to use.
  • Power: High-energy Li-ion battery, provides continuous
  • Working Capacity: for 10 hours (post full charge)
  • Max range: 8 km (16kms/32kms are optional)
  • Highest resolution: 1m
  • Dead Zone: 0mPower consumption: 1W 
  • Diagnosis of Fault Characteristics: To ensure the accuracy of the testing of the fault point, the testing personnel has to diagnose the fault characters
    correctly and then choose the most suitable testing mode. The characteristics of telecom cable faults can be simply divided
    into the following several kinds:
  • Broken line
    One or many cable core lines are broken.
  • Crossed line
    The insulating resistance between the different lines drops and
    causes communication amplitude drops.
  • Earthing fault
    The insulating resistance between the core line and the lead cover
    drops and causes low communication quality.
  • Crosstalk noise
    When the cable core insulation material is invaded by water or humidity,
    the insulating resistance drops and causes low communication
    quality or even blocks.
  • Bad insulation
    The insulating resistance between different lines and the core
    drops to a very low level; the communication quality comes

 

What's in the box?

  • Fault Locator
  • 2 Test Lines
  • Charger
  • Carrying Bag 
  • User Manual 
  • CD with Software & U-Disk (only for USB function)


 

Rating & Reviews

4.5
(Based On 10 Reviews)

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Product Specifications

General Specification
Max range 8 kms (16kms/32kms are optional)
Highest resolution1m
Dead Zone 0m
Power consumption1W
Weight 0.38 kg
Dimensions204×100×36 mm
Working temperature-15°C ~ 45°C
Storage temperature-20°C ~ 55°C
USB storage (optional) transmit waveform to U disk and analyze
the waveform on computer.

 

WORKING PRINCIPLE 

Pulse testing is a kind of remote testing method; one can locate the fault point without testing on the field or testing with end-to-end coordination. 

The principle of the theory is that the instrument emits a pulse to the line. When the line has faults, the pulse reflection will change. If the input and reflection pulse time can be measured, the location of the fault point can be detected.

Suppose the pulse transmission velocity in an electric cable velocity is V, the input and reflection time for the pulse to travel
between the test point and the fault point is T, the fault distance is L, then:  2L=VT L=VT/2

For example, the sending end transmits a pulse to the cable, after 20μs, the sending end get the reflection pulse If the .
pulse transmission velocity in the electric cable is 201m/μs, the fault distance L is L = 201×20/2 = 2010m 

Rating & Reviews

4.5
(Based On 10 Reviews)

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