MOHAMMAD MAHDI Electronics Trading LLC
Megger TDR1000/3 vs TDR1000/3P: Full Comparison & Tech Specifications
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The Megger TDR1000/3 and Megger TDR1000/3P are compact handheld Time Domain Reflectometers designed for fast and accurate cable fault location on metallic cable pairs. These instruments are widely used by telecom engineers, electrical contractors, industrial maintenance teams, and infrastructure technicians who need a reliable tool to identify cable faults quickly.
Both models belong to Megger’s portable TDR1000 series and are designed to locate open circuits, shorts, crushed cables, water ingress points, and impedance changes. While many buyers assume there are major differences between the two models, the datasheet specifications reveal that their core measurement performance is very similar.
Quick Insight
Both the TDR1000/3 and TDR1000/3P offer the same core TDR measurement platform including:
- 5 km maximum measurement range
- 0.1 m resolution
- 2 ns ultra‑fast pulse width
- Selectable impedance (25, 50, 75, 100 Ω)
- 256 × 128 backlit LCD display
- IP54 rugged field protection
Technical Specifications Comparison
| Specification | Megger TDR1000/3P | Megger TDR1000/3 |
|---|---|---|
| Maximum Range | 5 km / 15 kft | 5 km / 15 kft |
| Resolution | 0.1 m / 0.3 ft | 0.1 m / 0.3 ft |
| Velocity Factor Range | 0.2 – 0.99 | 0.2 – 0.99 |
| Output Impedance | 25 / 50 / 75 / 100 Ω | 25 / 50 / 75 / 100 Ω |
| Pulse Width | 2 ns | 2 ns |
| Display | Backlit Monochrome LCD | Backlit Monochrome LCD |
| Display Resolution | 256 × 128 | 256 × 128 |
| Safety Rating | Telecom TNV‑3 / 150 V CAT IV | Telecom TNV‑3 / 150 V CAT IV |
| Environmental Protection | IP54 | IP54 |
| Power Supply | 5 × AA batteries | 5 × AA batteries |
| Trace Functions | Trace Hold, Live Overlay, Dual Cursors | Trace Hold, Live Overlay, Dual Cursors |
| AUTO Setup | Automatic Gain & Pulse Selection | Automatic Gain & Pulse Selection |
Key Performance Features
Ultra Fast Pulse
The 2 ns pulse width allows accurate identification of near‑end faults and small cable discontinuities.
Automatic Setup
Automatic configuration selects the correct gain and pulse parameters for quick field measurements.
Multiple Impedance Options
Selectable output impedance allows the instrument to match different cable types.
Portable Field Design
Compact handheld design with IP54 protection makes the device suitable for outdoor cable testing.
Practical Applications
- Telecommunication cable fault location
- Industrial control cable troubleshooting
- Building infrastructure diagnostics
- Utility cable maintenance
- Metallic cable pair testing
Engineering Note
According to the available datasheets, the measurable electrical specifications of the TDR1000/3 and TDR1000/3P are essentially identical. For many buyers the final decision often depends on availability, supplier stock, or project procurement standards rather than measurement capability differences.
Final Verdict
When comparing Megger TDR1000/3 vs TDR1000/3P, both instruments deliver the same core measurement performance. They share identical maximum range, resolution, velocity factor capability, impedance selection, pulse width, and display specifications.
This means engineers can expect reliable cable fault location performance from either model. The best choice will typically depend on procurement preference, availability, or bundled accessories rather than technical measurement differences.
Need a Quote for Megger TDR Equipment?
We supply original Megger cable fault location equipment across the Middle East including UAE, Saudi Arabia and Oman.
- Official Megger products
- Technical consultation
- Fast quotation and delivery
Contact our technical team to receive pricing and expert advice for selecting the right TDR for your application.
Need Price & Stock Availability?
Contact our sales team for current availability, quotation, and delivery details for the Megger TDR1000/3 and TDR1000/3P.
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Call: 04 447 6031
June 29, 2026
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