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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power delivers original terminal-mount hardware to intercept stray leakage currents, permanently neutralizing the volatile intrinsically-safe supply paths of refinery machinery.

        GSI130 244-130-000-204

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        GSI130 244-130-000-204 is a Vibro-meter galvanic separation unit that powers 2-wire sensors, eliminates ground loops, and replaces Zener barriers with a 1 V/mA transfer function.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for GSI130 244-130-000-204

        • Manufacturer:
          Vibro-Meter
        • Part Number:
          GSI130 244-130-000-204
        • Product Family:
          Vibro-Meter
        • Product Type:
          Separation Unit
        • Stock:
          1
        • No-load Consumption:
          Approx. 20 mA
        • 20 mA Load Consumption:
          Approx. 60 mA
        • Short-circuit Max. Current:
          Max. 120 mA
        • Output Voltage (No Load):
          18 V ±1 V
        • Output Voltage (20 mA):
          16 V ±1 V
        • Short-circuit Current:
          60 mA
        • Pass-band:
          DC to 10 kHz ±0.5%, -1 dB at 20 kHz
        • Transfer Function:
          1 V/mA (factory set, adjustable)
        • Temperature Drift:
          <200 ppm/°C
        • Protection Class:
          IP67 (some variants) / IP65 reported
        • Weight:
          0.3 kg
        • Estimated shipping dimensions:
          12.6x12.4x2.2cm
        • Tariff Code:
          8483200000
        • Country of origin:
          Switzerland
        • Place of shipment:
          Xiamen, Fujian, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Application Communication Safety & Compliance

        Features:

        • Prevents problems due to voltage differences (ground loops) between the measurement point and signal processing
        • Powers sensors/conditioners (<20 mA) and outputs a 1 V/mA voltage signal proportional to the loop current
        • Replaces Zener barriers, avoiding additional voltage drops, and preserving transmission line length and system dynamic range
        The GSI130 244-130-000-204 is an advanced industrial-grade galvanic separation unit designed to mitigate ground loops in complex control systems . In industrial facilities, sensors and controllers often operate at different ground potentials, leading to voltage differences that corrupt measurements and cause noise. The GSI130 provides electrical isolation (2kV) between the measurement point and the signal processing equipment, breaking these unwanted ground paths . This ensures that the signal transmitted to the monitoring system accurately represents the physical measurement, free from electrical interference.

        The GSI130 244-130-000-204 serves as a dedicated power source and signal conditioner for 2-wire sensor systems . It supplies a regulated 18 V (±1 V) to the sensor or conditioner, capable of delivering up to 20 mA . Simultaneously, the GSI130 reads the loop current consumed by the powered device and translates it into a high-level voltage signal via a factory-set transfer function (1 V/mA) . This allows the system to analyze the sensor's output by simply measuring the voltage output of the GSI130, simplifying integration with controllers.

        The GSI130 244-130-000-204 is designed as a superior alternative to traditional Zener diode safety barriers for powering sensors in hazardous areas . Zener barriers introduce undesirable voltage drops that can reduce the available voltage for the sensor and limit the length of the transmission line, potentially affecting the performance of the measurement system. The GSI130 overcomes these limitations by using active isolation technology. By replacing the passive Zener barrier, the GSI130 ensures the sensor receives sufficient power over long cable runs and maintains full system dynamic range, while still providing safe, intrinsically safe power for sensors in explosive environments .

        The GSI130 244-130-000-204 Vibro-meter Separation Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        Vibro-meter GSI130 244-130-000-204 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. All prices are shown in USD.
        Vibro-meter GSI130 244-130-000-204 Separation Unit Specs

        General

        • Manufacturer Vibro-meter
        • Model GSI130 244-130-000-204
        • Condition New Original ready stock
        • Product Family EA402 913-402-000-013,GSI124 244-124-000-022
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Heavy Machinery Vibration Monitoring: Deployed alongside proximity probes, accelerometers, and velocity sensors to monitor critical rotating assets like gas turbines, steam turbines, compressors, and high-capacity industrial pumps.
        • Long-Distance Signal Transmission: Acting as a high-integrity signal repeater, it facilitates noise-free analog signal transmission over extremely long cable lengths across large plant environments.
        • Power & Petrochemical Industries: Used in power generation facilities, oil refineries, and chemical plants where field sensors are exposed to significantly different electrical potentials than the central processing rack.
        • Input Loop (Field Side): Built for 2-wire transmission systems, supplying power to field conditioners while modulating the dynamic current consumption (up to 20 mA max load) into measurement data.
        • Signal Output (Processor Side): Converts the input current into a clean, proportional analog voltage signal with a factory-set transfer function of 1 V/mA. The DC signal component can be calibrated and fine-tuned on-board via an adjustable potentiometer.
        • Electrical Connectivity: Features a robust, standard hardware interface utilizing 5 terminal lugs (AMP-Faston 6.3 type) for reliable, vibration-resistant electrical connections.
        • High Galvanic Isolation: Features a robust electrical barrier providing ≥ 4 kV RMS isolation between the hazardous field-input circuit and the safe-area output circuit. This stops high-voltage surges from damaging backend processing cards.
        • Hazardous Area Approvals: Fully certified under CENELEC / PTB (European standards) and CSA (North American standards) for installation in explosive atmospheres and intrinsically safe circuits.
        • Long-Term System Stability: Designed using low-tolerance, premium components that limit thermal drift to < 200 ppm/°C, guaranteeing precise signal accuracy and linearity (±0.5%) over decades without maintenance shutdowns.
        Description
        The GSI130 244-130-000-204 is a galvanic separation unit that serves as a power supply and signal conditioner for 2‑wire sensors. It supplies sensors and conditioners while outputting a voltage signal proportional to the current consumed, focusing entirely on isolation and signal integrity.

        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.

        The GSI130 244-130-000-204 features a 1 V/mA transfer function, factory‑set via a potentiometer (P1), enabling a 0 to 20 mA current range. It can power any electronic system consuming less than 20 mA and is optimized for sensor power and signal extraction.

        The GSI130 is part of the Vibro‑meter range and is often used with VM600 monitoring systems. It provides galvanic isolation and intrinsically safe power to sensors in hazardous areas, with a pass‑band from DC to 10 kHz and a temperature drift of less than 200 ppm/°C.

        Alternative Names
        GSI13O 244-13O-OOO-2O4 GSI130 244-I30-000-204 GSI130 244 130 000 204 GSI122 GSI 124 GSI 127 244-127-000-017 A2-B02 IQS450 204-450-000-001 VM600 MPC4 200-510-070-113
        Technical notes
        The GSI130 244-130-000-204 is a galvanic separation unit for 2-wire sensors. It powers sensors and conditioners (consumption <20 mA) and prevents ground loops by providing galvanic isolation . Key features include a 1 V/mA transfer function, a DC to 10 kHz pass-band, and compatibility with explosive environments.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What is the primary function of the GSI130 244-130-000-204?
        The GSI130 244-130-000-204 is a galvanic separation unit that powers sensors and signal conditioners while reading their signals, preventing ground loops in industrial systems
        How does the GSI130 244-130-000-204 handle signal conversion?
        It outputs a voltage signal (1 V/mA) proportional to the current consumed by the conditioner, allowing the conditioner's output to be analyzed directly via a voltage measurement.
        What is the pass-band of the GSI130 244-130-000-204?
        The GSI130 244-130-000-204 has a pass-band from DC to 10 kHz (±0.5%), with a -1 dB point at 20 kHz, making it suitable for dynamic signals
        Why choose the GSI130 244-130-000-204 over Zener barriers?
        The GSI130 replaces Zener barriers, avoiding additional voltage drops and not limiting transmission line length or system dynamic range, ensuring reliable operation in explosive areas.

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