Megger EZ-THUMP 12kV TDR Portable Cable Fault Locator System For MV Networks

Features:

• Aside from the expert mode, the quick-step mode is especially convenient where users may not operate the unit on a regular basis.
• Automatic fault locating procedure.
• Operating of unit via unique E-Tray GUI and rotary control knob.
• Automatic end of cable and distance to fault location.
• Automatic sectionalizing (for specific markets).
• Automatic breakdown detection.
• Key switch safety interlock standard (available also without).
• Operation from internal battery or from an AC source, featuring simultaneous AC operation and battery charging
• Rugged, lightweight, high impact resistant IP53 designed enclosure for wet outdoor applications.
• TDR method to prelocate very low resistance cable faults, either phase to phase or phase to neutral, or by pair comparison
• Arc Reflection Method (ARM) prelocation of high resistance flashover faults.
• Single stage 500 Joule surge generator for pinpointing of high resistive faults up to 12kV
• DC testing for breakdown detection.
• Insulation resistance measurement.
• Sheath testing and sheath fault locating

Specifications:

• Testing 0 – 12 kV, 12 mA DC
• Prelocation TDR: Phased to Phase, Phase to Neutral, on screen comparison of up to 256 pairs Range: 25,000 ft (7.6 km) Sampling Rate: 100 Mhz Resolution: 2.5 ft @ 250 ft/ƒs 0.8 m @ 80 m/µs
• Arc Reflection: 0 – 12 kV
• Pinpoint Fault Location Surge: 0 - 12 kV @ 500 J
• Impulse Sequence: 5 - 10 seconds or single shot
• Display 5.7 in. (14.48 cm) HiBrite TFT Color LCD 640 x 480 pixel
• Memory 1000 traces
• Interface USB Port
• Cable Supplied 15 ft (4.5 m) HV flexible shielded cable
• 15 ft (4.5 m) safety ground cable
• 6 ft (1.8 m) AV supply lead set (US/Schuko/UK plug)
• Terminations T1 (typically North America): 14 mm male MC for HV output with matching hotline clamp attachment; HV return and safety ground with hooks and matching hotline clamp attachment.
• T2 (typically North America): same as T1, however, hotline clamp attachments for HV output and HV return are replaced by vise grip attachments.
• T3 (typically UK): The HV output and the HV return leads are terminated with hardwired battery clamps.
• T4 (typically all other countries): 10 mm female MC for HV output and HV return with matching battery clamp attachments, safety ground with hook and matching hotline clamp attachments
• Supply Battery: Internal 24 V NiMH Battery 5 AH Approx. 30 - 60 mins of surge/thumping Approx. 3 hours recharge time
• Charger: Internal, 100-240 VAC – 24 VDC charger
• AC Line: 100 – 230 VAC ±50/60 Hz
• Safety Emergency stop
• Key-switch safety Interlock, standard (available also without)
• F-OHM detection /indication “proper grounding"
• Environmental Operating Temperature: -4° F to 122° F (-20° C to +50° C)
• Storage Temperature: -12° F to 160° F (-25° C to +70° C)
• IP Rating IP53 (with top open)
• Weight 71 (32 kgs)
• Dimensions 14 x 11 x 25 in. (35.5 x 28 x 64 cm)

Megger EZTHUMP 12kV TDR (Time Domain Reflectometer) Cable Fault Locator is a sophisticated diagnostic tool used for identifying and locating faults in high-voltage electrical cables. Here’s a detailed description:

Key Features:

• High Voltage Capability: Designed to handle cables up to 12kV, making it suitable for a wide range of high-voltage cable systems.

• Advanced TDR Technology: Utilizes Time Domain Reflectometry to measure the time it takes for a pulse to travel along the cable and reflect back from faults, allowing for precise fault location.

• User-Friendly Interface: Features an intuitive interface with easy-to-read displays, making it accessible for both experienced technicians and those new to cable fault location.

• Fast Fault Detection: Quickly identifies and pinpoints faults, minimizing downtime and reducing the need for extensive testing.

• Versatile Testing Modes: Offers various testing modes, including automatic and manual, to accommodate different types of cable faults and testing scenarios.

• Durable and Portable: Built to withstand challenging field conditions, the EZTHUMP is rugged and portable, ensuring reliability and ease of use in various environments.

• Data Logging and Analysis: Equipped with data logging capabilities to record test results and analyze historical data for trend analysis and diagnostics.

• Safety Features: Includes safety features to protect both the operator and the equipment, ensuring safe operation in high-voltage environments.

Applications:

• Cable Fault Detection: Ideal for locating faults in high-voltage cables, including short circuits, open circuits, and insulation breakdowns.

• Maintenance and Troubleshooting: Essential for maintenance teams to diagnose issues and perform preventative maintenance on electrical systems.

• Installation Verification: Used to verify the integrity of newly installed cables and ensure they are free from faults.

Benefits:

• Increased Efficiency: Reduces the time required to locate and repair faults, leading to faster restoration of service.

• Enhanced Accuracy: Provides precise fault location, minimizing the need for trial-and-error approaches.

• Improved Safety: Allows for non-destructive testing, reducing the risk of damaging cables during fault identification.