Vibro-Meter GSI130 244-130-000-204 Galvanic Separation Unit

Frequently asked questions
Q:What is the Vibro-Meter GSI130 244-130-000-204?
A:The Vibro-Meter GSI130 244-130-000-204 is a galvanic separation unit designed to power transducers and signal conditioners while providing electrical isolation and reliable signal transmission in machinery monitoring systems.

Q:What is the main function of the GSI130?
A:The GSI130 supplies power to compatible 2-wire transducers and signal conditioners and converts the current consumed by the conditioner into a proportional voltage signal for monitoring and analysis.

Q:How does the GSI130 improve signal reliability?
A:It provides galvanic isolation between the measuring point and the monitoring system, helping eliminate problems caused by ground loops and differences in ground potential while reducing electrical interference.

Description

The Vibro-Meter GSI130 244-130-000-204 is a galvanic separation unit designed for use with Vibro-Meter machinery monitoring systems. It provides galvanic isolation between field devices and monitoring equipment, ensuring reliable signal transmission while reducing the effects of electrical noise and ground potential differences. Designed for continuous industrial operation, the GSI130 supports stable system performance and helps improve the safety and integrity of vibration monitoring installations. The GSI130 244-130-000-204 prevents ground loops caused by voltage differences between the measurement point and the signal processing equipment. It avoids the voltage drops and transmission line limitations inherent to Zener barriers, delivering clean, reliable signals.

Parameter

Model: GSI130 244-130-000-204 Galvanic Separation Unit 
Supply voltage (to GSI) : +24 V ±5%
Ripple (100 Hz) : 100 mV pp max
Consumption:  Approx. 20 mA-60 mA
Short-circuit current: 60 mA
Pass-band: DC to 10 kHz ±0.5%, -1 dB at 20 kHz
Temperature drift: <200 ppm/°C
Temperature range:
- Operation : 0°C to +55°C
- Storage : -20°C to +70°C

Application areas

The Vibro-Meter GSI130 244-130-000-204 galvanic separation unit is designed for heavy-duty industrial machinery monitoring. Because it does not possess intrinsic safety (Ex i) certifications for hazardous areas, its deployment is strictly targeted at safe areas.

• Safe-Zone Turbo-Compressor Skids: Serving as the signal interface inside local equipment rooms (LER) for large compressors where the hazardous area isolation has already been handled by downstream barriers or where sensors reside in non-hazardous plant zones.
• Large Air Blowers & HVAC Industrial Fans: Relaying shaft vibration indicators from ventilation infrastructure back to central PLCs or DCS controllers without signal degradation over long cables.
• Steam Turbine Auxiliary Equipment: Monitoring auxiliary feed pumps, cooling water fans, and condenser extraction pumps located in standard industrial environments.

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