Megger STX40-2000 Portable Cable Fault Locating System

Includes: Fault location system STX 40, Mains supply cable (Varies by region), Earth wire 25 m (green/yellow), Auxiliary earth wire 15 m (red), High voltage connecting cable (including connector pliers) 25 m on drum, Device key and Manual..

Reference 1011497

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The Megger STX40 is the most powerful and most modern port-able fault location system in the market. It is ideally suited for proof testing, analysing, prelocating and pinpointing of faults on extruded low voltage and medium voltage XLPE- and EPR-insulated cables. With its 40 kV DC source and a potent high frequency burner it is also highly capable and effective on PILC cables as well.

The STX40 comes with an in-built TDR of the Teleflex® type for time domain reflectometry, furthermore with an insulation testing unit, a very powerful high voltage DC source, a multi-stage surge wave generator (thumper) for pinpointing with the digiPhone+2, a high frequency burner for fault conversion, and a set of standard radar-based and transient prelocation methods. The TDR is also the control unit for the system and runs the graphic user interface.

It is suitable for the following applications:

DC test / breakdown detection up to 40 kV.
Insulation test.
Fault pre-location with proven HV locating methods such as arc reflection measurement (ARM), voltage decoupling (DECAY) and current decoupling (ICE).
Fault conversion by burning at the fault location.
Sheath test with automatic breakdown detection.
Pinpoint location of sheath faults according to the step voltage method.
Pinpoint fault location with up to 2000 J.

Occupational safety and safe working conditions are paramount. Therefore, Megger products are designed to be the safest in the market. STX is no exception to that. It meets the strict requirements of VDE 0104. Equipped with a ground loop monitoring circuit (F-Ohm) and a touch potential monitoring circuit (F-U or F-Voltage), STX is a milestone and the portable fault location system with the highest safety standards in the market by far.

The STX40 is fully automated with motorised HV switches controlled by either the rotary knob or the industry-grade colour touch screen.

FEATURES

Large 10.1" sunlight proof touchscreen colour display.
Very easy to operate because of its intuitive and straightforward piechart interface.
ARM® Multishot technology with 15 measurements per arc reflection shot.
ProRange technology; distance-dependent de-attenuation for improved images of far-away reflections.
Display up to 6 traces simultaneously, ideal for phase comparison.
Automatic cable end recognition and flagging of fault position.
High quality measurement with very fast true sampling rate of 400 MHz.
Internal compensation for undistorted measurements in the near field (close range).
Automatic storage of all measurement data.
Large memory for storing > 100,000 measurements.
Export/import function.
Test reports in PDF format.
USB port for transferring data and printing.
Many different language versions available.

Megger STX40-2000 Video

Megger STX40-2000 Specifications

Surge Wave Generator Part Technical Data
Protection class	IP 43, weather-resistant and rainproof.
Weight	118 kg (260 lbs) standard version 123 kg (271 lbs) extended version.
Insulation test	Voltages of 1,000/2,500/5,000/10,000/20,000 V Measuring range of 650 MΩ
HV Source	40 kV DC proof testing and fault breakdown testing.
Breakdown detection	0 ... 40 kV.
Burning	High frequency burner max 850 mA in 5 kV range max 400 mA in 10 kV range max 200 mA in 20 kV range max 100 mA in 40 kV range.
Standard surge levels	8 / 16 / 32 kV 2,000 / 2,000 / 2,000 J.
Additional surge levels	4 kV with 1,100 J.
Surge rate	3 seconds at full output of 32 kV and full energy; adjustable 3 ... 10 sec, and single shot
Sheath testing	3 kV, 5 kV, 10 kV, 20 kV.
Sheath fault pinpointing	0,5:1, 1:3, 1:4, 1:6.
Built-in prelocation	32 kV true inductive ARM Multishot 32 kV ICE (Surge Pulse) 40 kV DECAY IFL mode.
Operating temperature	-20°C ... +55°C (-4°F ... +131°F).
Storage temperature	-40°C ... +70°C (-40°F ... +158°F).
Mains input supply	2.5 kW wide range power source 110 ... 230 V AC, 50/60 Hz Limited to 1.6 kW at 120 V AC (as per ANSI/NEMA 5).
Dimensions	710 x 740 x 1,080 mm (27.9 x 29.1 x 42.5 in.).
Radar and Control Unit
Display	Industrial grade colour TFT pane.
LCD size	10.1".
Aspect ratio	16.10.
Resolution	1,280 x 800 (WXGA).
Backlight	LED.
Luminance	1000 cd/m² directly bonded Anti-glare touchscreen.
Measuring range	20 m ... 160 km at VOP = 80 m/μs.
Pulse width	#20 ns ... 10 μs.
Pulse amplitude	10 ... 50 V.
Resolution	0.1 m at VOP = 80 m/μs.
Accuracy	0.1%.
Timebase accuracy	100 ppm.
Sampling rate	true 400 MHz.
Dynamic range	96 dB, with adjustable ProRange (Distance-dependent De-attenuation).
Velocity of propagation	10 ... 149.9 m/μs (or ft/μs or nvp).
Output impedance	50 Ω 10 Ω ... 500 Ω, adjustable.
ARM® trigger	ΔU trigger technology with automatic adjustment.