Megger Smart Thump ST16 Portable/Truck Mount Cable Fault Location System

Manufacturer part number: STHUMP-ST16

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Available Configurations

Overview
Specifications
Documentation

The SMART THUMP ST16 Portable Cable Fault Locating System provides safe, efficient and extremely easy-to-use solutions for quickly identifying, prelocating and pinpointing various types of cable faults for power cables. The ST16 was developed to meet the requirements for typical low- and medium-voltage distribution cable fault location markets.

Circuit parameters include:

Circuit voltage up to 35 kV
Insulation EPR or XLPE
Typical conductor sizes between #2 and 500 MCM (34 mm2 to 250 mm2)
Typical circuit lengths from a few hundred feet (100 m) up to 5 miles (25,000 ft or 8,000 m)

Typical equipment users include: operations department of power utility companies, electrical departments within municipalities including street light maintenance, private network operators, high voltage electrical contractors, service companies, port authorities, mining, airports, military bases, petrochemical and paper companies.

The ST16 unit incorporates HDW’s “E-Tray” technology, a concept that has been already proven in other products (EZThump, EZ-Restore Overdrive, and TDR T3090) and which will be carried forward into any new Megger product in the future. The E-Tray adds the unique capability to access and operate every function through an innovative and intuitive user interface, without the need to make adjustments and the software suggesting the next logical step.

Features

“Quick-Steps” is especially convenient where operators may not be called upon to use the equipment on a regular basis
“Expert Mode” provides up to 20 individual TDR features to the experienced user for optimum fault locating results
Custom configurable menus for the TDR function
DC testing up to 16 kV with indication of insulation resistance value
Rugged, powder coated IP53 designed enclosure
Safe Op check protects user from incorrect and/or faulty ground connections (F-Ohm)
E-TRAY operation eliminates lengthy training
Quick access to all components in case of service

Impulse Generator (Thumper)

Operating modes:

Arc Reflection Method (ARM®): 0-8/0-16 kV
ICE surge pulse (optional in North America), standard other countries: 0-8/0-16 kV
Direct surge (Thumping): 0-8/0-16 kV
DC-HV proof test and resistance readout (Ω) Burning / Fault Conditioning: 0-8/0-16 kV
Sheath fault test & pinpointing / Secondary Fault Locating (optional): 0-5 kV

TDR: TDR mode and all prelocation functions (25,000 ft, optional 100,000 ft)

Energy Output

Dual stage: 1500 J @ 8 kV and 16 kV
Proof test: 0 to 16 kV continuous
Burn current: 60 mA max

Key Features

Single-shot thump in ARM
Built-in inductive type ARM filter
8 second thump cycle @ max output
Automatic cable and system discharging

Display Features: Transflective TFT color display, sunlight proof 5.7 in., 640 x 470 pixel resolution

Power Options

120/230 V, 60/50 Hz ac operation
12 V deep cycle marine battery with internal dc charger/inverter (standard)

SMART Features

Entirely automatic test sequences includes proof test, prelocate, and pinpoint Automatic interpretation regarding type of fault (i.e. open, burnt in the clear, short) Automatic adjustment of thump voltage (user selectable) Automatic alphanumeric display of cable and fault distance.

USB

Host interface 2.0
TDR trace export and system upgrades

Mounting and Enclosure

Mounted on heavy-duty wheels (14”)
Rain tight powder coated enclosure IP53 (open)
(Also available as vehicle-mount unit)

Digital “Analog” Meter: Displayed on LCD screen

Environmental

Operating Temperature: -20C to +50C; -4F to +122F
Storage Temperature: -25C to +65C; -13F to +149F

IP Rating: IP53 (with top open)

Weight: 318 lbs (134 kg) includes wheels, battery and inverter & 50 ft (15 m) of HV / Ground Cable

Dimensions: 20 x 46 x 24 in. (500 x 1170 x 600 mm) W x H x D

Data Sheet

Description

Circuit parameters include:

Circuit voltage up to 35 kV
Insulation EPR or XLPE
Typical conductor sizes between #2 and 500 MCM (34 mm2 to 250 mm2)
Typical circuit lengths from a few hundred feet (100 m) up to 5 miles (25,000 ft or 8,000 m)

Features

“Quick-Steps” is especially convenient where operators may not be called upon to use the equipment on a regular basis
“Expert Mode” provides up to 20 individual TDR features to the experienced user for optimum fault locating results
Custom configurable menus for the TDR function
DC testing up to 16 kV with indication of insulation resistance value
Rugged, powder coated IP53 designed enclosure
Safe Op check protects user from incorrect and/or faulty ground connections (F-Ohm)
E-TRAY operation eliminates lengthy training
Quick access to all components in case of service

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