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Designed for fast, accurate fault location on underground medium-voltage cables, this compact and portable system delivers 500 J at 12 kV via a single-stage capacitor discharge. It integrates TDR and Arc Reflection Method (ARM) technologies for pre-locating both low and high resistance faults, and supports pinpointing with external receivers. Powered by AC or an internal battery, and equipped with safety systems like F-OHM ground verification, it’s ideal for first responders and field technicians alike.
Our rentals come fully calibrated to traceable standards. Have your own instrument? We also offer calibration services for this model (CERTIFL1).
Designed for fast, accurate fault location on underground medium-voltage cables, this compact and portable system delivers 500 J at 12 kV via a single-stage capacitor discharge. It integrates TDR and Arc Reflection Method (ARM) technologies for pre-locating both low and high resistance faults, and supports pinpointing with external receivers. Powered by AC or an internal battery, and equipped with safety systems like F-OHM ground verification, it’s ideal for first responders and field technicians alike.
Our rentals come fully calibrated to traceable standards. Have your own instrument? We also offer calibration services for this model (CERTIFL1).
This product exceeds standard shipping dimensions/weight, as such it does not qualify for free shipping. We will contact you with your shipping costs.
The EZ-THUMP 12 kV model is a compact and lightweight, battery and AC line operated, portable cable fault location system. It is designed for quick, effective, accurate and safe fault locating operations to greatly reduce system customer outage minutes.
Due to its portable and robust enclosure, it is ideally suited for all typical fault locating operations on MV cables.
The 12 kV model is typically used as part of a “satellite” fault locating concept for remote areas that may have less frequent faults, when simple operation, light weight and economics are important, or for hard to access inner-city locations.
The unit typically requires no adjustments and is operated via the unique and easy to follow E-TRAY GUI and a rotary control knob. It guides the user automatically through the entire fault locating process, starting with a Hipot Test and followed by both a Prelocation and Pinpointing step. During this 3 step process the test data will be stored and used in difficult fault locating situations to interpret the result and provide advice to the user of what to do next.
Features
| Testing | Output: 0 to 12 kV, 12 mA DC, display of insulation resistance |
| Prelocation | TDR: Phased to Phase, Phase to Neutral, on screen comparison of up to 256 pairs _x000D_Range: up to 170,000' (52 km) _x000D_Sampling Rate: 100 Mhz _x000D_Resolution: 2.5' @ 250'/ƒs 0.8 m @ 80 m/μs _x000D_Arc Reflection: 0 to 12 kV Multishot |
| Pinpoint Fault Location | Surge: 0 to 12 kV @ 500 J Impulse Sequence: 5 to 10 seconds or single shot |
| Display | 7" (17.78 cm) HiBrite TFT Color LCD 1280 x 800 pixel |
| Memory | 100 traces |
| Interface | USB Port |
| Cable | 15' (4.5 m) Standard cable |
| Termination | T1: 14 mm male MC for HV output with matching hotline clamp attachment; HV return and safety ground with hooks and matching hotline clamp attachment. |
| Supply | Battery: Internal 24 V NiMH Battery 5 AH Approx. 30 to 60 mins of surge/thumping Approx. 3 hours recharge time Charger: Internal, 100 to 240 V AC to 24 V DC charger AC Line: 100 to 230 V AC ±50/60 Hz |
| Safety | Emergency stop Key-switch safety Interlock, standard (available also without) F-OHM detection/indication proper connections |
| Environmental | Operating Temperature: -4 to 122°F (-20 to 50°C) Storage Temperature: -12 to 160°F (-25 to 70°C) |
| IP Rating | IP53 (with top open) |
| Dimensions (include top mounted cable pouch) | 14 x 11 x 25" (35.5 x 28 x 64 cm) |
| Weight | 71 lbs (32 kg) |
| Testing | Output: 0 to 12 kV, 12 mA DC, display of insulation resistance |
| Prelocation | TDR: Phased to Phase, Phase to Neutral, on screen comparison of up to 256 pairs _x000D_Range: up to 170,000' (52 km) _x000D_Sampling Rate: 100 Mhz _x000D_Resolution: 2.5' @ 250'/ƒs 0.8 m @ 80 m/μs _x000D_Arc Reflection: 0 to 12 kV Multishot |
| Pinpoint Fault Location | Surge: 0 to 12 kV @ 500 J Impulse Sequence: 5 to 10 seconds or single shot |
| Display | 7" (17.78 cm) HiBrite TFT Color LCD 1280 x 800 pixel |
| Memory | 100 traces |
| Interface | USB Port |
| Cable | 15' (4.5 m) Standard cable |
| Termination | T1: 14 mm male MC for HV output with matching hotline clamp attachment; HV return and safety ground with hooks and matching hotline clamp attachment. |
| Supply | Battery: Internal 24 V NiMH Battery 5 AH Approx. 30 to 60 mins of surge/thumping Approx. 3 hours recharge time Charger: Internal, 100 to 240 V AC to 24 V DC charger AC Line: 100 to 230 V AC ±50/60 Hz |
| Safety | Emergency stop Key-switch safety Interlock, standard (available also without) F-OHM detection/indication proper connections |
| Environmental | Operating Temperature: -4 to 122°F (-20 to 50°C) Storage Temperature: -12 to 160°F (-25 to 70°C) |
| IP Rating | IP53 (with top open) |
| Dimensions (include top mounted cable pouch) | 14 x 11 x 25" (35.5 x 28 x 64 cm) |
| Weight | 71 lbs (32 kg) |
