Fast and accurate cable fault location is essential for reducing outage time and improving field service efficiency. The BAUR Syscompact 400 portable is a cable fault location system designed for the pre-location and pin-pointing of faults on power cables without permanent installation in a vehicle. BAUR positions it as an efficient and safe solution for high-resistive and intermittent faults on all types of cable, making it a practical choice for field engineers who need flexibility without sacrificing capability.
One of the biggest advantages of the Syscompact 400 portable is its combination of proven fault location methods in one compact system. BAUR states that it supports TDR time domain reflectometry for 1-phase and 3-phase cables, Step TDR for nearby faults and joints, SIM/MIM, DC-SIM/MIM, ICM, DC-ICM, and an optional decay method. It also supports cable and cable sheath testing up to 32 kV, giving users a broad fault location toolkit in a portable configuration.
A key update in this system is the integration of the high-performance IRG 400. BAUR explains that the IRG 400 replaces the previous generation reflectometer and is now integrated directly into the system. The Syscompact 400 portable can be controlled either by a 15.6 inch laptop with BAUR Software 4 or by a 10.1 inch tablet with the BAUR BUI-F app, giving users flexibility in how they operate the system in the field.
Safety is a major theme in BAUR’s design of the Syscompact 400 portable. Both the laptop and tablet communicate with the device via Wi-Fi, allowing measurement engineers to operate the system from a safe location outside the high-voltage area. BAUR also highlights the integrated separation filter, which enables safe TDR measurements on live cables up to 400 V, with the data sheet specifying CAT IV / 600 V measurement capability when the separation filter is enabled. This combination supports safer field work while maintaining convenient operation.
The BAUR BUI-F app adds another layer of usability. BAUR says the app features an intuitive touch interface and a high-brightness display that makes operation easier outdoors. It also includes functions such as distance-based damping for better evaluation of far-away events and Step TDR for nearby events such as illegal branching. For operators working in changing field conditions, this improves both efficiency and clarity during fault analysis.
When operated through the laptop, the Syscompact 400 portable also benefits from BAUR Software 4, which BAUR describes as a powerful and flexible platform for cable fault location. The software includes established measurement methods as well as advanced approaches such as Conditioning-SIM/MIM, intended to improve the localisation of wet cable faults that are often difficult to locate. BAUR also notes that the laptop can act not only as the control interface in the field, but also as a work tool in the office for analysis, evaluation, and report generation.
For field teams, portability is one of the biggest practical strengths of the Syscompact 400 portable. BAUR describes the system as a portable version with wheels, designed for use wherever needed, especially where there is no space for a larger built-in system. The product page notes that the portable version delivers the same level of performance as a built-in Syscompact solution, while allowing operators to remove the laptop or tablet and work from a more convenient location if the environment is damp, restricted, or otherwise difficult.
The technical specifications also show that this is a serious field fault location platform. BAUR lists the integrated IRG 400 with 60 V pulse voltage, 30 ns to 10 µs pulse width, 101 dB dynamic range, measurement range from 10 m to 250 km, 0.1% accuracy relative to the measurement result, and 0.1 m resolution at v/2 = 80 m/μs. The adjustable velocity of propagation from 20 to 150 m/μs allows the system to be adapted to different cable types for more accurate analysis.
The surge voltage generator section adds strong field performance for fault burning and impulse methods. BAUR specifies surge voltage ranges of 0 to 8 kV, 0 to 16 kV, and 0 to 32 kV, with 1,100 J surge energy as standard. Optional configurations raise surge energy to 1,540 J with the SSG 1500 option or 2,050 J with the SSG 2100 option. The system also provides DC voltage up to 32 kV and a maximum burn current of 560 mA DC from 0 to 8 kV, with higher current available in the optional versions.
From a physical standpoint, the Syscompact 400 portable is designed for robust field deployment. BAUR lists the rack dimensions including heavy-duty wheels as approximately 775 x 1,185 x 935 mm, with system weight starting from 140 kg depending on configuration. The operating temperature range is -10°C to +50°C, storage temperature range is -20°C to +60°C, and the system is rated IP21. These specifications support reliable operation in real service environments where transportability and durability are both important.
BAUR also positions the Syscompact 400 portable as part of a broader fault location workflow. When combined with the separately available BAUR protrac® system, users can carry out acoustic cable fault pin-pointing, cable sheath fault pin-pointing with the step voltage method, and tracing. BAUR describes protrac® as the ideal complement because even accurate pre-location cannot detect route deviations in the ground, while pin-pointing can guide the operator to the actual fault position more precisely.
Overall, the BAUR Syscompact 400 portable is a strong solution for utilities, contractors, and service teams that need a flexible but capable cable fault location system. With integrated IRG 400 performance, multiple proven fault location methods, Wi-Fi remote operation, live-cable TDR capability, and compatibility with BAUR Software 4 and protrac®, it offers a practical combination of safety, mobility, and diagnostic power for field cable fault work.
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