---
product_id: 232374405
title: "Triplett TDR100 Cable Length Tester and Time Domain Reflectometer"
brand: "triplett"
price: "$383.66"
currency: USD
in_stock: true
category: "Triplett"
url: https://www.desertcart.us/products/232374405-triplett-tdr100-cable-length-tester-and-time-domain-reflectometer
store_origin: US
region: United States of America
---

# 99 trace memory slots Precision length measurement 2.4" color TFT display Triplett TDR100 Cable Length Tester and Time Domain Reflectometer

**Brand:** triplett
**Price:** $383.66
**Availability:** ✅ In Stock

## Summary

> 📏 Measure with confidence, test like a pro!

## Quick Answers

- **What is this?** Triplett TDR100 Cable Length Tester and Time Domain Reflectometer by triplett
- **How much does it cost?** $383.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/232374405-triplett-tdr100-cable-length-tester-and-time-domain-reflectometer)

## Best For

- triplett enthusiasts

## Why This Product

- Trusted triplett brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Auto-Zero & Auto-Range:** Experience hassle-free setup with automatic calibration and range detection.
- • **Built-in V.O.P. Database:** Access 20 standard cable velocity profiles for instant, reliable testing.
- • **Trace Storage & Analysis:** Save up to 99 cable traces for detailed future diagnostics and trend tracking.
- • **Vibrant 2.4" TFT Display:** Navigate effortlessly with a crisp, full-color screen and intuitive menu.
- • **Pinpoint Cable Length Accuracy:** Leverage advanced TDR tech for exact cable length readings every time.

## Overview

The Triplett TDR100 is a precision cable length tester featuring Time Domain Reflectometer technology, a vibrant 2.4" TFT color display, and automatic calibration functions. It supports a wide range of cables with 20 built-in velocity of propagation profiles and stores up to 99 cable trace records for comprehensive analysis.

## Description

The Triplett TDR100 is a precision cable tester that uses TDR (Time Domain Reflectometer) technology to measure cable length. It can be used for any cable consisting of at least 2 insulated metallic elements, one of which may be the sheath or shield of the cable. The meter has automatic internal matching networks to allow testing with automatic selection range, which correspond to power, telephony, CAT V, LAN, etc. cables. The meter can be closely matched with the cable under test using the function selection keys. The velocity of propagation value (V.O.P.) can be similarly adjusted to match the cable under test, ensuring an accurate distance measurement. It features a 2.4" TFT color display with an easy-to-use onscreen menu, 20 built-in groups of standard cable V.O.P. (velocity of propagation) values, and 99 memory locations store traces for future analysis. An Auto-Sensitivity function provides a closer match to a wide range of cables with only the V.O.P. settings required. The meter comes complete with 2 AA batteries, BNC (M) connector to standard test leads, BNC (M) connector to alligator clips, BNC (M) connector to (M) F connector, and carrying case.

## Features

- Precision cable tester with TDR (Time Domain Reflectometer) technology to measure cable length
- Use for any cable consisting of at least 2 insulated metallic elements, one of which may be the sheath or shield of the cable; Auto-Zero and Auto-Range
- 2.4" TFT color display with easy-to-use onscreen menu
- 20 built-in groups of standard cable V.O.P. (velocity of propagation) values and 99 memory locations store traces for future analysis
- Auto-Sensitivity provides a closer match to a wide range of cables with only the V.O.P. settings required

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BTKW2B1 |
| Best Sellers Rank | #346,763 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #669 in Network & Cable Testers |
| Brand Name | Triplett |
| Color | Metallic |
| Customer Reviews | 3.8 3.8 out of 5 stars (7) |
| Global Trade Identification Number | 00614395002268 |
| Included Components | TDR100, AA Battery (2), BNC Leads, BNC Alligator Clips, BNC to F Connector, Case |
| Item Dimensions | 4.75 x 2.25 x 8.75 inches |
| Manufacturer | Triplett Test Equipment and Tools |
| Measurement Type | Reflectometer |
| Model | TDR100 |
| Part Number | TDR100 |
| Power Source | Battery Powered |
| Style Name | TDR100 |
| UPC | 614395002268 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 25 Degrees Celsius |
| Warranty Description | 1-Year Manufacturer |

## Product Details

- **Brand:** Triplett
- **Color:** Metallic
- **Item dimensions L x W x H:** 4.75 x 2.25 x 8.75 inches
- **Power Source:** Battery Powered
- **Style:** TDR100

## Images

![Triplett TDR100 Cable Length Tester and Time Domain Reflectometer - Image 1](https://m.media-amazon.com/images/I/71i49N1DrVL.jpg)
![Triplett TDR100 Cable Length Tester and Time Domain Reflectometer - Image 2](https://m.media-amazon.com/images/I/81-pGuRIgAL.jpg)
![Triplett TDR100 Cable Length Tester and Time Domain Reflectometer - Image 3](https://m.media-amazon.com/images/I/81X5I1qGTAL.jpg)
![Triplett TDR100 Cable Length Tester and Time Domain Reflectometer - Image 4](https://m.media-amazon.com/images/I/71CcWxa-lkL.jpg)
![Triplett TDR100 Cable Length Tester and Time Domain Reflectometer - Image 5](https://m.media-amazon.com/images/I/713R+OgfOxL.jpg)

## Questions & Answers

**Q: can I run a test on a specific cable and then add a name to that specific cable that I tested?**
A: Yes you can but you have to do the naming on the PC. Once you plug in the tester you see test numbers and there is a place to name it.

**Q: Does this work with the older byte brothers model.**
A: No. Only LVPRO20 ,30, & 30SR are compatible with the VTM

**Q: Can i print the results**
A: Yes. Reports can be printed from a PC running LVPro Manager. The reports are NOT to be considered CERTIFICATION. In my opinion it is a great tool for it's features and price. Don't expect it (or any low cost tester) to perform the same level of diagnostics and documentation that a more costly CERTIFIER is designed to do. Triplett / Byte Brothers has a VERIFIER RWC1000K.  I don't own one but I trust that any installed cable that tests GOOD with it, will also pass data. I haven't done the research to determine the differences between a $320 dollar tool and one that costs between $2000 and $40,000.  I suppose that all depends on whether you are installing, maintaining or designing a data network. Years ago, I worked for a large company and had a $10,000 (at that time) Fluke tester that could tell me how far down the wire someone "stepped" on it using a visual waveform. The newer model of that tester is $20,000. The RW1000k looks good to me and won't break the bank.

**Q: will it test active network drops. can it be toned while network line is active ?**
A: You can select pairs to tone, so you could select pair 4,5 to avoid 10/100 (1,2 or 3,6) switch connections that could short out the tone. It also does port blinking for identifying ports on a live switch. Their website has good videos.

## Frequently Bought Together

- Triplett TDR100 Cable Length Tester and Time Domain Reflectometer
- Cable Matters 100-Pack Cat 6 Pass Through RJ45 Connectors (Cat 6 Ends / Cat6 Connector / RJ45 Modular Plugs/Ethernet Plugs/Network Connector) for Solid or Stranded UTP Ethernet Cable

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-10*