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Avionics TDR Complete Kit™

a time domain reflectometer perfect for aircraft wiring and aviation

Ultimate in Hand-Held Step TDR Technology, now in an Avionics Kit

The TDR Avionics Kit is designed specifically for testing and fault locating on aircraft wiring. The Step TDR is ideal for troubleshooting all types of coax, twisted pairs, single-wires in a harness, and aircraft power cables. Use “Step TDR” technology’s amazingly accurate display and locating ability to save time and money. The kit includes connection adapters for mating with aircraft wiring harness style connectors making testing fast and convenient. Additionally, the TDR, manuals, PC software and accessories are all in a rugged anti-FOD carrying case designed for flight line and aircraft use. ETDR PC Vision™ software can upload, save, and print test results, and customize the TDR’s cable list for specific aircraft as desired.


Ranges: from 0-10ft (0-2m) to 20,000ft (5Km)
No dead zones on any range setting
Range Zoom on Cursor
Impedance zoom using Z Scale
Cursor reading down to ±½ inch (±8mm)
Cable List with up to 64 cable types
BNC and RJ45 connectors standard
Setup Wizard - step-by-step start up assistance
Context sensitive help
Cell phone style alpha-numeric entry pad
Keypad LED indicators for active function
Cable toning - coax or wire pairs
Stores 32 traces with name, date & time
Rechargeable NiMH AA cells (included)
ETDR PC Vision software (included)
Kit Case is ATA rated and MIL-STD tested


Test coax, twisted pairs, or single wires using same TDR.
Wire to-wire or wire to airframe
Accurate and clear trace indication of faults
Secure, but convenient accessory access
More advanced features to aid troubleshooting
Save, upload, print or email TDR’s traces
Find faults other TDRs miss
Clear wiring trouble more quickly with less testing
Customize, upload, and download Cable Lists, PC-to-TDR
Saved traces are also saved setups for recall
Noise detection and noise filtering
Locate coax or pairs quickly using Tone Function
Setup Wizard makes starting use easy and helps train new users
“Belt Friendly” TDR size and only 2.2 lbs (1Kg)

Coax-high impedance (Z)
& open far end
Coax crimp using
MicroFault locating

Wet twisted pair cable
ETDR PC Vision
Graphical Display
Certification: Feb 2022   CE EMC: EN/IEC 61326-1:2013/2020
Safety: EN/IEC 61010-1:2010 +A1:2016 + C1:2019

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