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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power supplies original DIN-rail hardware to eliminate ground-loop interference, permanently stabilizing the fragile intrinsic-safety monitoring loops of critical machinery.

        GSI124 244-124-000-022

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        GSI124 244-124-000-022 is a Vibro-Meter galvanic separation unit for industrial sensors, providing 4 kVRMS isolation, μA-to-mV conversion, and Ex certification for hazardous areas.
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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.
        Shipping Mode
        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 GSI124 244-124-000-022

        • Manufacturer:
          Vibro-Meter
        • Part Number:
          GSI124 244-124-000-022
        • Product Family:
          Vibro-Meter
        • Product Type:
          Separation Unit
        • Stock:
          2
        • Supply Voltage (User Side):
          20 to 30 VDC
        • Current Consumption (24VDC):
          ≤70 mA (with 20 mA load)
        • Galvanic Isolation Voltage:
          4 kVRMS
        • Output Signal (Monitor Side):
          Voltage output
        • Output Impedance:
          ≤1 Ω (short-circuit protected)
        • Output Supply Voltage (Sensor):
          21.5 VDC ± 2.5 VDC (no load)
        • Transducer Side Current Limit:
          ≤30 mA (short-circuit)
        • Transfer Function (Option B3):
          3.2 V/mA ± 32 µV/mA (for IQS 4XX)
        • Bandwidth (Option B3):
          DC to 10 kHz (±0.5 dB)
        • Linearity:
          <0.2%
        • Operating Temperature:
          0°C to +70°C
        • Weight:
          0.13 kg
        • Estimated shipping dimensions:
          12.6x8.5x2.2cm
        • 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 Firmware & Updates Configuration

        Features:

        • Provides robust protection against ground loops and AC noise, ensuring signal integrity in high-noise environments
        • Certified for Ex zones, it powers sensors and avoids the need for external Zener barriers
        • Supports multiple sensors with different μA-to-mV conversions and high-frequency signal transmission
        The GSI124 244-124-000-022 is primarily designed to provide robust galvanic separation. Its 4 kVRMS isolation barrier prevents dangerous ground loops and electrical noise from corrupting sensitive measurement signals . This high level of isolation is essential for maintaining signal integrity, especially when sensors are located far from the control system in electrically noisy industrial environments.

        A critical feature of the GSI124 244-124-000-022 is its certification for use in potentially explosive atmospheres . By providing certified intrinsic safety (Ex i), it safely limits the electrical energy available to the sensor in hazardous zones. This design allows the GSI124 to directly replace traditional Zener safety barriers, offering superior performance.

        The GSI124 244-124-000-022 is a highly versatile unit designed to interface with a wide range of industrial sensors and signal conditioners . It supports different transfer functions (e.g., 1 V/mA, 3.2 V/mA) to match the output characteristics of various devices like piezoelectric accelerometers (CE XXX) and proximity probe conditioners (IQS 4XX) .

        The GSI124 244-124-000-022 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 GSI124 244-124-000-022 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 GSI124 244-124-000-022 Separation Unit Specs

        General

        • Manufacturer Vibro-Meter
        • Model GSI124 244-124-000-022
        • Condition New Original ready stock
        • Product Family TQ412 S3960 111-412-000-013,GSI130 244-130-000-204
        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.
        • Proximity Probe Systems: Specifically tailored via its transfer parameters to interface with IQS 4XX series proximity signal conditioners (used with TQ402/TQ412 displacement sensors).
        • Piezoelectric Transducer Loops: Fully compatible with constant-current CE-series industrial accelerometers and IPC-series charge amplifiers.
        • Ex i (Intrinsically Safe) Barriers: Replaces vulnerable Zener barriers in potentially explosive gas and dust environments, allowing long-distance, high-frequency AC transmission without degrading the signal.
        • High Frame Voltage Rejection: Used in power plants and heavy processing lines where massive ground voltage variations (frame noise) threaten to distort precise physical measurements.
        • Firmware Vulnerability Free: The unit has no operating system or flash memory, making it entirely immune to software bugs, cyber threats, or digital communication failure modes.
        • Hardware Lifecycle Updates: Hardware updates are executed solely through physical unit replacement. Meggitt has introduced the GSI127 series as the modern, legacy-compatible upgrade
        • Component Obsolescence Management: Overhaul and updates are performed on a module-swapping basis rather than field patching. If a circuit drifts or ages past acceptable performance thresholds, the module is recycled and replaced.
        • Zero Digital Programming: There is no USB, Ethernet, or serial configuration interface; it cannot be addressed via a PC.
        • Factory-Defined Transfer Profile: The exact operational profile is permanently fixed via ordering options (e.g., Option B3 hardwires a fixed sensitivity profile of 3.2 V/mA ± 32 mV/mA and an output offset voltage of 8 VDC for IQS4XX systems).
        • Bandwidth & Filtering Parameters: The unit's internal physical low-pass cutoff parameters are preset. For proximity setups, the frequency bandwidth is fixed from DC to 10 kHz (with a typical -3 dB cut at 25 kHz).
        Description
        The GSI124 244-124-000-022 is a versatile galvanic separation unit designed to power and isolate signals from 2-wire transducers and signal conditioners . This GSI124 244-124-000-022 ensures high signal integrity by providing 4 kVRMS galvanic isolation between the sensor and the monitor sides.

        The GSI124 244-124-000-022 replaces its predecessors, the GSI 122, GSI 123, and GSI 130, with enhanced performance and compatibility . It is intended for use with a broad range of devices, including piezoelectric transducers (CE XXX), signal conditioners (IPC XXX), and proximity probe signal conditioners (IQS 4XX series).

        For installations in potentially explosive atmospheres, the GSI124 244-124-000-022 is certified for use (ordering option A2) and avoids the need for external Zener barriers . The GSI124 244-124-000-022 demonstrates excellent rejection of frame voltage and ground noise, preventing AC noise pickup that can occur between the sensor case and poles.

        Typical applications for the GSI124 244-124-000-022 include powering piezo-electric transducers, signal conditioners, and proximity probe systems . The GSI124 244-124-000-022 is specified for use in 2-wire transmission systems at high frequencies and can supply any electronic system with a consumption of less than 20 mA.
        Alternative Names
        GSI124 244-124-OOO-O22 GSII24 244-I24-000-022 GSI124 244 124 000 022 GSI122 GSI130 244-130-000-204 IQS450 204-450-000-001 VM600 MPC4 200-510-070-113 111-412-000-012 S3960
        Technical notes
        The GSI124 244-124-000-022 is a 4 kVRMS galvanic separation unit for 2-wire industrial sensors and conditioners . It powers transducers (≤20 mA load) and provides a voltage output (≤1Ω impedance) proportional to the loop current . Key features include Ex certification (Zone 0/1), μA-to-mV conversion for long-distance transmission, high ground noise rejection, and compatibility with piezo-electric, accelerometer, and proximity probe systems.
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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 use of GSI124 244-124-000-022?
        The GSI124 244-124-000-022 is a galvanic separation unit used to power 2-wire sensors and conditioners while providing isolated signal transmission.
        What is the isolation voltage of GSI124 244-124-000-022?
        The GSI124 244-124-000-022 provides 4 kVRMS galvanic separation between the sensor and monitor sides, ensuring high signal integrity .
        Is GSI124 244-124-000-022 certified for hazardous areas?
        Yes, the GSI124 244-124-000-022 is certified for use in potentially explosive atmospheres and can replace Zener barriers in Ex i applications.
        What is the transfer function of GSI124 244-124-000-022 with IQS4XX?
        When used with IQS4XX signal conditioners, the GSI124 244-124-000-022 has a transfer function of 3.2 V/mA, converting current to voltage.

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