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Megger ®
TDR500
Time Domain Reflectometer
 
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Megger TDR500 Time Domain Reflectometer

Characteristics:

  • Simple operation
  • Warble tone generator
  • Velocity Factor from 0.30 to 0.99
  • Range to 3km
  • Tough ABS case
  • IP54 Environmental protection
  • Carry case and test leads included
 
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  Product Description:  
 

 

 

 

The Megger‚ TDR500 cable fault locator breaks new ground as a cost effective high specification hand held Time Domain Reflectometer (TDR) for locating faults on metallic cables.

Designed for the field engineer requiring a low cost solution to field testing, the TDR500 offers all the benefits of Megger build quality and reliability in a high quality affordable package.

Transmission line testing
The TDR500 is suitable for virtually all types of transmission cable including twisted pair, coaxial and parallel conductors. Condition of the entire cable or section is displayed graphically.

30m to 3 km Range
Suitable for identifying and locating a range of cable faults from a few metres up to 3 Km on non-energised cables. Cable characteristics are clearly displayed on the 122 x 32 pixel LCD display.

Simple Operation
Operation of the TDR500 is simplicity itself. No multifunction keys to confuse the operator. Each button has its own dedicated function. Just connect the test lead to the de-energised cable to be tested. Switch on the TDR and set the Velocity factor.

Cable route tracing
The TDR500 can inject an oscillating 810 Hz/1.11 kHz tone onto the de-energised transmission line or power line. The warble tone allows the engineer to trace the faulty cable pair with the use of a commercially available tone tracing probe.

 
 
  General Information:  
 
 

BENEFITS

  • Hand held operation
  • High contrast monochrome graphic LCD display (122 x 32 pixel).
  • Resolution to 1% of range.
  • Adjustable display contrast
  • Environmental protection to IP54
  • Display distance in metres or feet.
  • Uses standard AA (6LR61) primary or rechargeable cells
  • 3 year warranty reduces long term ownership cost

APPLICATIONS

  • Non-energised cable testing and tracing including: Traditional ‘Transmission Medium Test Equipment’
  • Telecommunications
  • CATV (Cable TV)
  • Aerospace
  • Electrical Contractors
  • Network Installers
  • Utilities
  • IT Departments
  • Railway signalling
  • Private networks
  • Campus and industrial networks
  • Building automation
  • Stock control
  • Cable distribution channels
  • Cable manufacturers
  • Industrial communications
  • Fieldbus network installations
  • Site maintenance engineers
 
 
  General Specifications :  
 
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Ranges: 30m, 100m, 300m, 1000m, 3000m
(100ft, 300ft, 1000ft, 3000ft, 10000ft)
Accuracy: ±1% of range ± pixel at 0.67VF
[Note- The measurement accuracy is for the indicated cursor position only and is conditional on the velocity factor being correct.]
Resolution: 1% of range
Input Protection: For connection to de-energised cable only
Output pulse: 5 volts peak to peak into open circuit from 100 Ω source Pulse widths determined by range and cable impedance
Velocity Factor: Variable from 0.30 to 0.99 in steps of 0.01
Gain: Automatic with gain and range
Refresh Rate:
Three times per second
Backlight:

Stays on for 1 minute when activated

Display: 122 X 32 pixel Graphics
Test Leads: 300mm long with croc clips
Warble: 5 V pk-pk from 100 Ω, alternating between 810 Hz and 1110 Hz
Batteries:
Six LR6 (AA) type batteries, Manganese-alkali or nickel-cadmium or nickel-metal-hydride cells
 
 
  Downloads:  
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  pdf_pic Downloads: General Specifications  
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Safety
This instrument is to be used on de-energised cable only.

EMC
Complies with Electromagnetic Compatibility
Specifications
(Light industrial) BS EN 61326-1, with a minimum performance of ‘B’ for all immunity tests.

Mechanical
The instrument is designed for use indoors or outdoors and is rated to IP54.

Case Dimensions
230 x 115 x 48 mm
(9 x 4.5 x 2 inches)

Instrument weigh:
t0.6kg (1.32lbs)

Case material
ABS

Connectors
BNC terminal

Environmental
Operational Temperature:
-15°C to +50°C
(5°F to 122°F)

Storage Temperature:
-20°C to 70°C
(-4°F to158°F)

 
 
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