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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power provides advanced, highly calibrated legacy transduction hardware to maintain the exact fluid-dynamic clearance of critical journal bearings, successfully preventing catastrophic sub-synchronous rotor whirl and severe localized thermal friction spikes caused by feedback-loop latency.

        S3960 AC46286 144-201-000-222

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        The Vibro-Meter S3960 AC46286 144-201-000-222 is a piezoelectric accelerometer engineered for continuous vibration monitoring of critical rotating machinery in extreme industrial environments.
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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 S3960 AC46286 144-201-000-222

        • Manufacturer:
          Vibro-Meter
        • Part Number:
          S3960 AC46286 144-201-000-222
        • Product Family:
          Vibro-Meter
        • Product Type:
          Piezoelectric Accelerometer
        • Stock:
          1
        • Nominal Sensitivity:
          100 pC/g ±5% (dynamically calibrated at 5 g peak, 120 Hz)
        • Dynamic Measuring Range:
          0.0001 g to 200 g peak (Overload capacity up to 250 g peak)
        • Frequency Response:
          ±5% between 0.5 Hz and 3000 Hz; ≤10% up to 4500 Hz
        • Resonant Frequency:
          11 kHz nominal (mounted condition)
        • Linearity Deviation:
          ≤1% (up to 20 g peak); Max 2% (20 g to 200 g peak)
        • Transverse Sensitivity:
          ≤5% max
        • Operating Temperature:
          Sensor Head (Zone A): −54°C to +260°C; Cable (Zone B): −54°C to +125°C
        • Internal Insulation Resistance:
          Minimum 10⁸ Ω (pole to casing)
        • Nominal Capacitance:
          3300 pF pole-to-pole; 1200 pF pole-to-casing
        • Weight:
          0.5 kg
        • Estimated shipping dimensions:
          10.5x5.3x5.2cm
        • Tariff Code:
          8537101190
        • 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 Applications Safety & Compliance Operating Environment

        Features:

        • Symmetrical Shear Polycrystalline Design
        • Heavy-Duty BOA Stainless Steel Armored Cable
        • True Differential Casing Insulation
        The Vibro-Meter S3960 AC46286 144-201-000-222 utilizes an advanced internal shear geometry that provides absolute immunity to thermal transients and base strain interference, allowing clean acceleration measurements.

        Equipped with a 3-meter integral cable shielded inside a rugged, hermetically welded flexible steel conduit, the Vibro-Meter S3960 AC46286 144-201-000-222 withstands continuous industrial washing, friction, and extreme mechanical impacts.

        Featuring a 2-pole floating signal configuration separate from the main housing, the Vibro-Meter S3960 AC46286 144-201-000-222 completely isolates tracking data from heavy structural plant electrical noise and ground loops.

        The S3960 AC46286 144-201-000-222 Vibro-Meter CA 201 Piezoelectric Accelerometer may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Vibro-Meter S3960 AC46286 144-201-000-222 CA 201 Piezoelectric Accelerometer Manuals,Datasheets,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 S3960 AC46286 144-201-000-222 CA 201 Piezoelectric Accelerometer

        General

        • Manufacturer Vibro-Meter
        • Model S3960 AC46286 144-201-000-222
        • Condition New Original ready stock
        • Product Family CE281 444-281-000-111,TQ402 111-402-000-012,TQ412 S3960 111-412-000-013
        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.
        • Gas & Steam Turbine Bearings: Tailored for casing vibration monitoring on large power-generation gas turbines (such as Siemens SGT or GE Frame series), tracking high-frequency structural vibration to protect against bearing wear.
        • Petrochemical Centrifugal Compressors: Installed on critical process gas compressors in oil refineries, delivering stable dynamic feedback to detect balance issues, surge states, and misalignment before failures occur.
        • Heavy-Duty Industrial Pumps: Deployed in water treatment facilities and petrochemical plants to monitor high-pressure feed pumps, preventing catastrophic impeller failure via continuous acceleration feedback.
        • Power Plant Fan & Blower Monitoring: Applied to forced draft (FD) and induced draft (ID) fans within utility boilers, tracking structural resonance changes across wide operational spectrums.
        • CENELEC Hazardous Area Approval: Evaluated under strict European harmonized standards, guaranteeing that electrical and thermal dissipation profiles do not risk igniting surrounding gas.
        • PTB Conformance (Ex ib IIC T5): Certified by Physikalisch-Technische Bundesanstalt (PTB) for intrinsic safety, ensuring secure deployment in hazardous environments containing hydrogen or ethylene when isolated via safety barriers.
        • Hermetic Enclosure Seal Protection: The sensor head features an advanced laser-welded austenitic steel finish that meets rigorous environmental ingress baselines, neutralizing hazardous chemical vapor or corrosive mist degradation.
        • Elimination of Ground Loop Risks: Utilizing an internal casing insulation system, the differential charge layout maintains isolated reference lines, preventing ground currents from disrupting safety shutdown loops.
        • Extreme Temperature Extremes: Designed with a split environmental zone architecture where the primary sensor head (Zone A) handles severe -54°C to +260°C conditions, while the cable output side (Zone B) reliably handles -54°C to +125°C.
        • High Mechanical Shock Limits: Capable of enduring harsh peak mechanical shocks up to ≤500 g (half-sine 1 ms pulse) without losing crystal calibration orientation or structural bonding integrity.
        • Base Strain Invariant Geometry: The symmetrical shear polycrystalline sensing matrix prevents physical structural thermal bending or mounting base strain from introducing false vibration peaks.
        • Corrosive Fluid Submersion Immunity: The resilient austenitic stainless steel enclosure provides robust protection against industrial oils, ammonia vapors, high humidity, and salt spray exposure.
        Description
        Engineered to withstand the harshest industrial conditions, the Vibro-Meter S3960 AC46286 144-201-000-222 features a premium austenitic stainless steel housing that is hermetically welded to prevent moisture ingress. The sensor head operates reliably across a wide temperature spectrum from -54°C to +260°C, while its ruggedized 3-meter integral cable is encased in a flexible BOA stainless steel protection tube to safeguard signal transmission against mechanical wear and thermal fatigue.

        At the core of the Vibro-Meter S3960 AC46286 144-201-000-222 is a symmetrical shear-mode polycrystalline measuring element that provides an exceptional nominal sensitivity of 100 pC/g. Its advanced internal case insulation combined with a 2-pole twisted, shielded differential layout effectively eliminates ground loops, electromagnetic interference (EMI), and base strain sensitivities, ensuring ultra-clean dynamic measurement tracking even over extended distances.

        Designated under the CAGE code Vibro-Meter S3960 AC46286 144-201-000-222, this specific revision is purpose-built to meet the stringent technical baselines of global OEM power generation fleets, including Siemens and GE gas turbine projects. It integrates seamlessly into legacy and modern machinery protection systems (MPS) such as VM600 or MMS6000, ensuring direct drop-in interoperability for plant turnarounds and critical spares procurement.

        Safety compliance is paramount for heavy rotating machinery, and the Vibro-Meter S3960 AC46286 144-201-000-222 is certified for hazardous zone deployment under international CENELEC and PTB standards. Utilizing the Ex ib IIC T5 intrinsic safety rating, it delivers field-proven performance in explosive gas atmospheres, making it the trusted choice for petrochemical, oil and gas, and power generation operations globally.
        Alternative Names
        S3960 AC46286 144201000222 144-201-000-222 S3960AC46286144-201-000-222 S396O AC46286 144-2O1-OOO-222 S3960 AC46286 I44-20I-000-222 S396O AC46286 I44-2OI-OOO-222 S3960 444-680-000-511 S3960 GSI 127 244-127-000-017 A1-B02
        Technical notes
        The Vibro-Meter S3960 AC46286 144-201-000-222 operates on a pure charge transfer principle that requires no external input power, converting physical acceleration directly into a proportional differential charge output that must be conditioned via an external charge amplifier or dynamic signal monitor.
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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
        Does the Vibro-Meter S3960 AC46286 144-201-000-222 require direct external voltage supply or loop power?
        No, the Vibro-Meter S3960 AC46286 144-201-000-222 is a passive piezoelectric transducer that generates its own electrical charge proportional to the physical acceleration. It does not support direct 24V DC loop power; instead, its output must be processed by a compatible charge amplifier (such as the Vibro-Meter IPC series) or integrated into an automated dynamic processing rack.
        What is the nominal capacitance value for calibration tracking on the Vibro-Meter S3960 AC46286 144-201-000-222?
        The Vibro-Meter S3960 AC46286 144-201-000-222 features a nominal pole-to-pole capacitance of 3300 pF and a pole-to-casing nominal capacitance of 1200 pF. These parameters are vital when configuring line-loss compensation algorithms in long-distance signal routing panels or monitoring systems.
        Can the integrated cable of the Vibro-Meter S3960 AC46286 144-201-000-222 be spliced or extended using standard industrial terminal blocks?
        Extending the Vibro-Meter S3960 AC46286 144-201-000-222 high-impedance charge path requires specific low-noise coaxial/triaxial cables and specialized junction boxes like the JB 105 or JB 116. Splicing via generic commercial terminal blocks will introduce electrical noise and phase distortion, nullifying the calibrated accuracy.
        What are the exact physical mounting and torque requirements to prevent signal clipping on the Vibro-Meter S3960 AC46286 144-201-000-222?
        The Vibro-Meter S3960 AC46286 144-201-000-222 must be mounted directly onto a clean, flat surface using 4 Allen M6x35 screws along with M6 spring lock washers. The screws must be cross-torqued precisely to 15 Nm; undertorque causes localized resonance anomalies, while overtorque risks distorting the internal piezoelectric crystal assembly.
        Is the Vibro-Meter S3960 AC46286 144-201-000-222 certified for safe operation in explosive refinery atmospheres?
        Yes, the Vibro-Meter S3960 AC46286 144-201-000-222 features full CENELEC compliance and carries a PTB conformance certificate under classification Ex ib IIC T5. This makes it certified for safe operation in Zone 1 and Zone 2 hazardous explosive environments when paired with an approved intrinsic safety barrier.

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