Megger TDR500/3 Handheld Time Domain Reflectometer (TDR) | Metallic cable fault location, up to 5 km, 0.1 m resolution, 4 impedances, IP54
MEGGERTDR500/3
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Megger TDR500/3 Handheld Time Domain Reflectometer (TDR) | Metallic cable fault location, up to 5 km, 0.1 m resolution, 4 impedances, IP54

Megger TDR500/3 Handheld Time Domain Reflectometer: Metallic Cable Fault Location Overview The TDR500/3 is a Megger handheld single-channel time domain reflectometer for locating faults on any metallic cable pair. AUTO mode selects gain and pulse width automatically based on range, and the cursor directly marks the fault distance; HOLD retains the

Range 10 m–5 km in 7 steps; min. resolution 0.1 mOutput impedance 25/50/75/100 Ω; velocity factor 0.2–0.99; 2 ns pulse5 × AA approx. 14 h; IP54; 0.6 kg
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One-year manufacturer warranty
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Overview

Megger TDR500/3 Handheld Time Domain Reflectometer: Metallic Cable Fault Location

Overview

The TDR500/3 is a Megger handheld single-channel time domain reflectometer for locating faults on any metallic cable pair. AUTO mode selects gain and pulse width automatically based on range, and the cursor directly marks the fault distance; HOLD retains the waveform.

Key Specifications

  • Ranges: 10 / 25 / 100 / 250 / 1000 / 2500 / 5000 m
  • Accuracy: ±1% of range ± 1 pixel (at velocity factor 0.67, with the velocity factor set correctly)
  • Resolution: 1% of range, min. 0.1 m
  • Output: 5 V peak-to-peak pulse, min. 2 ns; output impedance 25 / 50 / 75 / 100 Ω
  • Safety: With the optional fused test leads, can be connected to live systems up to 150 V CAT IV (IEC 61010-1)
  • Display: 256 × 128 backlit monochrome LCD
  • Power and weight: 5 × AA approx. 14 hours; 230 × 115 × 48 mm, 0.6 kg; IP54

Applications

  • Locating opens, shorts and joint faults in telecom, CATV and power control cables.

Specifications per the Megger product page and TDR500/3 datasheet (V07) (retrieved 2026-10-21).

Specifications

Key specifications
Range 10 m–5 km in 7 steps; min. resolution 0.1 mOutput impedance 25/50/75/100 Ω; velocity factor 0.2–0.99; 2 ns pulse5 × AA approx. 14 h; IP54; 0.6 kg
Model
TDR500/3
Brand
MEGGER
Purchasing
In stock, tax incl. / B2B formal quotation request (RFQ)
Warranty
One-year manufacturer warranty

Calibration

If your instrument needs periodic calibration, register the brand, model and calibration requirements on the calibration service page and we will send a separate quote.

Go to calibration service