Megger TDR1000/3P Cable Fault Locator
The Megger TDR1000/3P Cable Fault Locator helps engineers find faults on metallic cables quickly and accurately. It is designed for telecom, maintenance, and cable testing work. With a maximum range of 5 km and a resolution down to 0.1 m, it provides clear fault location data with minimal setup.
Fast operation reduces time spent tracing cable problems in the field. AUTO range selection chooses suitable settings for the connected cable, while automatic gain adjustment helps produce clear results. In addition, the 2 ns pulse capability improves detection of faults located close to the test point.
Clear Results and Easy Operation
A bright 256 x 128 pixel graphics LCD makes trace information easy to read in different lighting conditions. White-light backlighting and adjustable contrast improve visibility when working indoors or outdoors. Dual cursors allow quick measurement between events, helping users identify cable issues with confidence.
The Megger TDR1000/3P Cable Fault Locator also includes selectable output impedances to suit a wide variety of cable types. Four impedance settings are available, allowing greater flexibility across different applications. Trace HOLD functionality enables easy comparison of cable conditions during testing.
Built for Field Use
Designed for demanding environments, the instrument carries an IP54 rating for protection against dust and water ingress. It operates across a broad temperature range and features a rugged ABS housing. As a result, it is suitable for both indoor and outdoor fault-finding tasks.
The Megger TDR1000/3P Cable Fault Locator runs from five AA batteries and can provide up to 14 hours of typical operation. Automatic power-down after five minutes of inactivity helps extend battery life. Whether used on telecom circuits or electrical systems, it delivers reliable cable fault location with simple operation and dependable performance.
Key Features
- Maximum measurement range of 5 km
- 0.1 m fault location resolution
- Automatic range selection for faster setup
- 2 ns pulse capability for near-end fault detection
- Dual cursor measurement system
- White-light backlit graphics display
- Adjustable display contrast
- Trace HOLD function for result comparison
- Selectable display in metres or feet
- Automatic gain and pulse selection by range
- Four selectable cable impedance settings
- Suitable for metallic cable pair testing
- Compact handheld design for field use
- IP54 environmental protection rating
- Operates from five AA batteries
Technical Specifications
| Manufacturer | Megger |
| Material No. | 1001-789 |
| Instrument type | Time Domain Reflectometer |
| Application | Cable fault location on metallic cables |
| Measurement ranges | 10 m, 25 m, 100 m, 250 m, 1000 m, 2500 m, 5000 m |
| Imperial ranges | 30 ft, 75 ft, 300 ft, 750 ft, 3000 ft, 7500 ft, 15000 ft |
| Maximum range | 5 km |
| Accuracy | ±1% of range ±1 pixel at 0.67 VF |
| Resolution | 1% of range with 0.1 m minimum fault resolution |
| Pulse output | 5 V peak-to-peak into open circuit |
| Pulse width | Automatic according to selected range and cable |
| Near-end fault pulse | 2 ns |
| Refresh rate | 3 trace updates per second |
| Velocity factor range | 0.20 to 0.99 |
| Velocity factor adjustment | 0.01 increments |
| Gain control | Three selectable levels per range in manual mode |
| Output impedances | 25 Ω, 50 Ω, 75 Ω and 100 Ω |
| TX null | Automatic |
| Display | 256 x 128 pixel graphics LCD |
| Backlight | White-light backlit display |
| Input protection | IEC61010-1 compliant up to 150 V CAT IV with optional fused test lead set |
| Environmental protection | IP54 |
| Operating temperature | -15°C to +50°C |
| Storage temperature | -20°C to +70°C |
| EMC compliance | EN 61326-1 with minimum performance of B |
| Power supply | Five AA batteries |
| Battery type | Alkaline manganese or nickel metal-hydride |
| Typical battery life | Up to 14 hours |
| Auto power down | After 5 minutes of inactivity |
| Dimensions | 230 mm × 90 mm × 115 mm |
| Weight | 0.6 kg |
| Case material | ABS |
| Connectors | Two 4 mm safety terminals |
| Standard test leads | 0.5 m leads fitted with 500 mA FF HBC 1 kV 50 kA fuse |
| Suitable environments | Indoor and outdoor use |
| Available set types | Standard test lead set or optional fused test lead set |
| Catalogue No. | TDR1000/3P |
Document Downloads
What’s Included
- Megger TDR1000/3P Cable Fault Locator
- Hard carry case
- User guide CD
- Standard test lead set
Two set types are available for this instrument. A standard test lead set is supplied as standard, while an optional fused test lead set is available for testing live systems up to 150 V CAT IV in accordance with the stated specification.
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