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The GSI124 244-124-000-022 is a versatile galvanic separation unit from Meggitt Vibro-Meter that serves to eliminate Zener barriers, reject ground noise, and deliver ultra-reliable, long-distance signal transmission for critical turbo-machinery sensors.
Power supply for 2-wires types of transducers and signal conditioners
μA to mV conversion for long distance signal transmission
Certified for use with measuring chains in potentially explosive atmospheres
The versatile GSI124 galvanic separation unit replaces its predecessors: GSI 122, GSI 123 and GSI 130. The GSI 124 is for use with piezo-electric transducers with integrated electronics (e.g. CE XXX), piezo-electric transducer signal conditioners (e.g. IPC XXX) and proximity probe signal conditioners (e.g. IQS 4XX series). The unit is intended for use in 2-wire transmission systems at high frequencies. More generally, it may be used to supply any electronic system having a consumption of less than 20 mA. The GSI 124 avoids the use of Zener barriers for Ex i applications. It allows the transmission of AC signals over long distances. The unit rejects a large amount of the RMS voltage of ground noise and avoids AC noise pickup which can occur between the sensor case and the poles of the sensor.
The GSI124 244-124-000-022 features a solid-state hardware architecture requiring zero routine calibration or internal maintenance throughout its operational lifespan. Its front-facing screw terminal blocks allow field technicians to perform swift wiring verification and seamless hot-swapping during scheduled turnarounds without disrupting adjacent loops on the same rack. Designed to withstand the highly corrosive, humid atmospheres common in heavy industrial infrastructure, the module prevents signal distortion across volatile load conditions, providing critical protection machinery systems with an enduring, cost-effective link for long-term vibration and displacement tracking.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Vibro Meter GSI124 244-124-000-022 Galvanic separation unit Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas
The module is used to safely transmit dynamic casing vibration and shaft alignment data from offshore drilling platforms and floating production storage and offloading vessels. It prevents electrical faults in the control room from sparking an explosion at the wellhead.
Petroleum Refining & Petrochemicals
Continuous monitoring of high-speed centrifugal compressors is mandatory to prevent catastrophic failures like surging. The GSI 124 delivers clean, uncorrupted AC voltage signals from proximity probes to safety systems, ignoring the heavy electrical noise from nearby high-voltage equipment.
Nuclear Power Plants
Safety regulations inside the reactor containment building dictate rigid electrical segregation. The GSI 124 supplies isolated power to specialized sensors and safely extracts high-frequency structural vibration data across containment boundaries.
Metallurgy, Iron & Steel Manufacturing
Electric arc furnaces and heavy rolling mills consume immense amounts of alternating current, creating a chaotic electromagnetic environment. The GSI 124 protects sensitive monitoring loops from these massive magnetic field distortions.
Pulp, Paper & Tissue Mills
The drying section of a paper mill combines high temperatures, extreme humidity, and chemical vapor. Sensors must operate over a two-wire network where moisture can create unwanted parasitic current paths between the sensor case and the poles.
Wind Energy Utilities
Wind turbine nacelles house high-power generators, converters, and gearboxes hundreds of feet in the air, making them targets for static buildup and lightning. The GSI 124 protects the diagnostic system from catastrophic overvoltage while maintaining accurate signal output.
When operating the Vibro-Meter GSI124 244-124-000-022, ensure the connected system's power consumption remains strictly below 20 mA for high-frequency AC signals. For intrinsically safe (Ex i) applications, the cable shields must be correctly grounded at a single point to fully enable ground noise rejection, and the unit must be mounted vertically on a DIN rail in a dry, non-condensing environment.
The GSI124 244-124-000-022 serves as a high-voltage electrical barrier providing 4 kVRMS isolation within two-wire industrial measurement chains. This module supplies stable drive current to field transmitters up to 20 mA while translating the returning loop current into a low-impedance voltage output beneath 1Ω. It safely mitigates heavy common-mode ground interference, converts microampere variations into millivolt ranges for long-distance cabling, and holds intrinsic safety ratings for Zone 0 and Zone 1 environments. These capabilities make it fully compatible with various proximity probes, accelerometers, and piezoelectric vibration sensors.
The Vibro-Meter GSI124 244-124-000-022 is a high-performance galvanic separation module designed to provide electrical isolation.
How do engineers use and install the Vibro-Meter GSI124 244-124-000-022 module in the field?
Engineers mount the Vibro-Meter GSI124 244-124-000-022 directly onto a standard TH 35 DIN rail inside a control cabinet, then route the sensor field wires to the top terminals and connect the monitoring system rack to the bottom terminals.
Which vibration sensors and signal conditioners are compatible with the Vibro-Meter GSI124 244-124-000-022 unit?
The Vibro-Meter GSI124 244-124-000-022 is fully compatible with IQS 4XX series proximity probe signal conditioners, IPC series piezoelectric signal conditioners, and CE series accelerometers with integrated electronics.
Can the Vibro-Meter GSI124 244-124-000-022 be safely used in explosive industrial environments?
Yes, the Vibro-Meter GSI124 244-124-000-022 is certified for hazardous areas and functions as an intrinsic safety barrier, eliminating the need for separate Zener barriers in explosive atmospheres.
How does the Vibro-Meter GSI124 244-124-000-022 effectively eliminate ground noise and loop interference?
The Vibro-Meter GSI124 244-124-000-022 provides 4 kVRMS galvanic separation between the sensor side and monitor side, which isolates the machine frame ground voltage and rejects AC common mode noise.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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