Triplett TDR 3271 User Manual

Page 6

Approximate Range  

Coaxial Cable: 6400ft max (1999m)

 

 

 

Structured Wiring: 2500ft max (750m)

 

 

 

Telephone Cable: 2500ft max (750m)

Resolution 

 

0.1ft < 100ft & 1ft > 100ft 

Accuracy   

 

+/- 3% or 1.5ft

Vp Range  

 

0 to 99%

Cable Library 

 

39 Standard Cable Types

Tone Generator 

 

Oscillating between 810Hz and 1110Hz

Display    

 

Alpha-numeric LCD

Connector 

 

BNC

Battery   

 

9v PP3 Alkaline cell

Battery Life 

 

Better than 2000 tests

Temperature 

 

32 to 112 deg F  (0 to 40 deg C)

Storage Temp. 

 

0 to 150 deg F

Dimensions 

 

7.9” x 3.1” x 1.4”

Weight   

 

less than 0.55lb

 Safety   

 

IEC1010-1

EMC 

 

 

To EU directives

UL, CUL and CE  

 

Approved

The TDR works by measuring the time taken for a signal to travel to the far 
end of the cable (or to an intermediate fault) and to return.

The velocity at which the signal is transmitted (Velocity of Propagation ie. 
Vp) will depend on the characteristics of the cable under test.