Megger GISmonitor Portable partial discharge monitor

SKU: 4695814-1-480
In Stock

  • Up to 40 PD Channels
  • Real-time PD Acquisition
  • External Disturbance Gating
  • Portable, Robust Design

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Description

Megger GISmonitor Portable: Advanced Partial Discharge Monitoring

The Megger GISmonitor Portable stands as a groundbreaking instrument, meticulously engineered for the temporary monitoring of partial discharge (PD) activity in Gas-Insulated Switchgear (GIS). In the complex world of high-voltage electrical systems, the integrity of insulation is paramount. Degradation, whether from insidious hopping particles, fluctuating floating potentials, or the critical structural compromises of cracks in insulators or spacers, can lead to catastrophic system failures if left undetected. The GISmonitor Portable addresses this critical need by offering an unparalleled ability to identify and analyze these subtle yet dangerous insulation imperfections in real-time. Its design philosophy centers on portability and efficiency, making it an indispensable tool for maintenance crews and engineers who require on-demand diagnostic capabilities in diverse field conditions. This device is not merely a detector; it is a sophisticated analytical system that empowers users to proactively manage the health of their GIS infrastructure, thereby significantly extending asset lifespan and ensuring operational continuity.

Real-Time, Multi-Channel PD Acquisition

At the core of the Megger GISmonitor Portable’s exceptional performance lies its remarkable capability for parallel real-time PD acquisition across an impressive array of up to 40 channels. This multi-channel functionality is a game-changer, allowing for comprehensive monitoring of large and complex GIS installations with a single instrument. The ability to simultaneously capture data from multiple points within a system drastically reduces the time and effort required for thorough diagnostics, while also providing a holistic view of the insulation condition. Furthermore, the instrument’s sensitivity to Ultra High Frequency (UHF) signals is exceptional, enabling the detection and digitization of even the most subtle PD events within microseconds. This rapid response time is crucial for capturing transient events that might otherwise be missed, providing a more complete and accurate picture of the PD activity. The integration of advanced digital signal processing ensures that raw data is transformed into actionable insights, enabling precise identification and localization of potential faults.

Eliminating Disturbances, Enhancing Accuracy

A significant challenge in PD measurements is the pervasive presence of external disturbance signals that can obscure genuine PD activity. The Megger GISmonitor Portable addresses this with an ingenious solution: the ability to connect to a dedicated disturbance antenna. This antenna provides a “gating signal,” a crucial feature that allows the instrument to intelligently separate legitimate PD events from environmental noise in real-time. This sophisticated filtering mechanism is vital for ensuring the integrity and reliability of the measurement data. By effectively suppressing unwanted interference, the GISmonitor Portable delivers cleaner, more accurate readings, which in turn leads to more confident and effective diagnostic decisions. This intelligent noise rejection capability not only enhances the precision of the measurements but also streamlines the diagnostic process, reducing the need for laborious post-processing to discern true PD phenomena from extraneous signals.

Robust Design for Demanding Environments

Recognizing the often-harsh realities of field operations, the Megger GISmonitor Portable is designed with an emphasis on robustness and durability. To guarantee reliable and precise results across all environmental and weather conditions, it is highly advisable to utilize the protective housing of the ICMoutlander. This commitment to resilience ensures that the instrument can withstand the rigors of outdoor use, from extreme temperatures to challenging humidity levels, without compromising its performance. The availability of two different housing models – a shock-resistant and watertight outdoor case, and a lightweight aluminum desktop enclosure – provides flexibility for various operational scenarios. This adaptability underscores the GISmonitor Portable’s suitability for a wide range of applications, from planned maintenance checks in controlled environments to emergency diagnostics in exposed outdoor settings, ensuring consistent, high-quality data acquisition regardless of the surrounding conditions.

Seamless Integration with UHF Sensors

The Megger GISmonitor Portable is engineered for seamless integration with all common UHF sensors used in GIS PD monitoring. This comprehensive compatibility extends to both embedded and external retrofit UHF sensors, offering unparalleled flexibility in deployment. This adaptability means that users can leverage their existing sensor infrastructure or choose from a wide array of compatible sensors to suit their specific measurement requirements. To further enhance its operational versatility, the instrument incorporates specialized accessories such as the Input Protection Unit (IPU2), which effectively blocks strong transients or Very Fast Transients (VFT) that could otherwise interfere with accurate measurements. Additionally, the Frequency Converter Unit (FCU2) demodulates UHF signals into a lower frequency band, facilitating easy transmission over longer distances without signal degradation. This thoughtful design ensures that the GISmonitor Portable remains a versatile and future-proof solution for evolving PD monitoring needs.

Comprehensive Data Analysis and Visualization

Beyond its powerful acquisition capabilities, the Megger GISmonitor Portable offers a comprehensive suite of software tools for in-depth data evaluation and diagnosis. The instrument connects effortlessly to a PC or laptop via a USB port or an optional LAN interface, granting users access to the intuitive GISmonitor Portable software. This service software provides an easy-to-use interface for viewing, comparing, and analyzing acquired data. A standout feature is the parallel visualization of current readings from up to 24 partial discharge sensors of a GIS, with each sensor meticulously linked to a specific input channel of the GISmonitor. Furthermore, the software supports not only standard PD acquisition versus phase position but also allows for PD acquisition at DC voltage, where pulses are displayed against time, providing valuable insights for different system types. The versatility of the software also extends to dedicated sensitivity and HV test modes, simplifying on-site operations and minimizing potential time losses during pre-energization activities.

Unlocking Diverse Application Potentials

The Megger GISmonitor Portable is not just a device; it’s a versatile solution with diverse application potentials that extend its utility far beyond routine monitoring. Its portability makes it ideal for on-demand PD monitoring, enabling quick spot checks and rapid diagnostics whenever an issue is suspected or a system requires immediate assessment. This capability is crucial for preventing unexpected asset breakdowns and catastrophic system failures by facilitating the early identification of insulation defects. The instrument’s quick operational readiness, stemming from its user-friendly setup, further enhances its value for rapid deployment. Beyond routine checks, the GISmonitor Portable is indispensable for commissioning tests of new GIS installations, ensuring that they are free from manufacturing defects or installation damage that could lead to premature failure. It’s also vital for pre-energization activities, allowing for thorough assessment before a system goes live. Its ability to detect hopping particles, floating potentials, and cracks in insulators means it can diagnose a wide range of insulation issues, providing critical information for targeted maintenance and repair strategies, ultimately extending the operational life of vital equipment.

For those seeking to acquire this essential piece of diagnostic equipment, tpt24 stands as the premier online store worldwide for the Megger GISmonitor Portable. We are committed to delivering this cutting-edge product to you with an unwavering guarantee of authenticity and quality, no matter which country you are in. Our global reach ensures that you receive your instrument safely and promptly, backed by our dedication to customer satisfaction. When you choose tpt24, you’re not just purchasing a product; you’re investing in reliability, precision, and unparalleled support for your critical infrastructure needs. Experience the confidence that comes with genuine products and exceptional service, only at tpt24.

Specifications

 

Feature Description
PD Channels Up to 40 channels for parallel real-time partial discharge acquisition. (Available in 8, 16, 24, 32, and 40 channel configurations, extendable.)
Signal Input (PD) BNC connectors (50 Ohm, 50 pF) for connecting UHF sensors.
Synchronization 1, 2, or 3 BNC connectors (100 V RMS, 20-350 Hz, 10 MOhm, 200 pF) for external or internal synchronization.
Gate Input 1, 2, or 3 BNC connectors (50 Ohm) for disturbance antenna connection and real-time noise suppression.
Interfaces USB (Type-B) and Ethernet (RJ45) for PC/laptop connection and data evaluation.
Mains Supply Automatic selection: 100–265 V AC, 50–60 Hz (for Half 19-inch, 2/3 19-inch, and Eight-channel Explorer models); 85–265 V AC, 50–60 Hz (for Explorer model with up to 40 channels).
Power Requirements Max. 75 W (for Half 19-inch and 2/3 19-inch models); Max. 35 W (for Eight-channel Explorer model); Max. 130 W (for Explorer model with up to 40 channels).
Line Fuse 2 A time-lag (for Half 19-inch and 2/3 19-inch models); 1.6 A time-lag (for Eight-channel Explorer model); 3.15 A time-lag (for Explorer model with up to 40 channels).
Operation Temp. 0–40 °C (non-condensing).
Enclosure Types Aluminium desktop enclosure: Half 19-inch (236 x 132 x 296 mm³, approx. 4 kg) and 2/3 19-inch (325 x 132 x 296 mm³, approx. 5.5 kg).
Explorer case (Hardened polypropylene): Eight-channel outdoor (305 x 144 x 270 mm³ closed, approx. 3.2 kg) and Outdoor case with up to 40 channels (670 x 510 x 372 mm³ closed, approx. 23 kg).
Software GISmonitor Portable software for viewing, comparing, analyzing data, manual mode for live readings, sensitivity verification, and HV test modes. Compatible with non-portable GISmonitor system software.

Data Sheet

Download Data Sheet Of Megger GISmonitor Portable partial discharge monitor

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