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AEMC CA7026 2127.81 Fault Mapper Pro Telephone Coax Graphical Cable Tester
Product Information

CA7026 Datasheet CA7026 Datasheet
  CA7026 Owners Manual CA7026 Owners Manual
  Structured Cable Tester Structured Cable Tester
  Velocity Propagation Velocity Propagation
  Time Domian Reflector Time Domian Reflector
  Wire Protocol Wire Protocol

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Accessories Tone Receiver/Cable Tracer Model TR03 [+$59.00]

AEMC CA7026 2127.81 Fault Mapper Pro Telephone Coax Graphical Cable Tester


The AEMC CA7026 Fault Mapper Pro Cable Tester is a graphical hand held TDR (Time Domain Reflectometer) engineered to identify and locate faults on communication and power cables, with access to only one end.


The CA7026 measures cable length, and displays the distance to cable faults and terminations to a maximum range of 11,700 feet – 3500 meters, on almost any type of cable of 2+ conductors. The CA7026 shows a reflection profile of the cable being tested as an oscilloscope like waveform on a 128 x 64 pixel graphical LCD. A movable cursor can be aligned with points on the trace, and the distances displayed will automatically update the cursor position.


CA7026 Features

  • Hand held Graphical Time Domain Reflectometer – TDR
  • Detects taps, shorts, opens, splitters, bridge taps, faulty taps, wet cables, high resistance, splices and more
  • Impedance mismatches
  • Displays cable terminations and faults up to a maximum of 11,700 feet – 3500 meters
  • Works with coaxial, parallel, and twisted pair cable
  • Selectable cable impedances of 50, 75, and 100 Ohms
  • Over voltage protection of 250 Volts maximum
  • Adjustable cursor assists in locating termination and faults
  • Tone generator for locating and tracing cables
  • Auto Ranging scale
  • High visibility blue electro luminescent backlit display
  • CE Mark



  • Find the length of cable runs
  • Find the distance to cable faults
  • Determine cable degradation from moisture or other contaminants
  • Identify and trace cables
  • Determine the length to telephone cable connections

Range at Vp = 70 percent 11,700 feet - 3900 meters
Ranges at Vp = 70 percent
670, 1470, 2900, 5830, and 11,700 feet
220, 440, 870, 1750, and 3900 meters
Resolution Approximately 1 percent of selected range
Accuracy ±1 percent of Range
Range Selection Automatic range selection against cursor position
Minimum Cable Length 12 feet - 4 meters
Sensitivity Minimum 3 pixel return on a fault at 6000 feet - 2 kilometers
Vp (Velocity of Propagation) Adjustable from 0 to 99 percent in 1 percent steps
Output Pulse
5 Volts into an open circuit or +1.5 Volts into 50 ohm load
25 ns minimum to 2.15 μs dependent on range
Cable Impedance Selectable between 50, 75, and 100 Ohms
Display Resolution 128 x 64 pixel graphical LCD
Tone Generator Oscillating 810 Hertz to 1110 Hertz
Scan Rate Single shot or 6.7 pulses per second (operator selectable)
Power Source 4 ea 1.5 Volt AA Alkaline Batteries
Auto-Off After 3 minutes
Weight 12 ounces - 350 grams
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