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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power provides factory-sealed armored components to block high-frequency carrier distortion, permanently safeguarding the critical shaft-journal vibration loops of heavy turbomachinery.

        TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05

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        1001 reviews ｜ Need a Specific Revision?
        The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 is a non-contact eddy-current sensor engineered for precision industrial machinery protection.
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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 TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05

        • Manufacturer:
          Vibro-Meter
        • Part Number:
          TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05
        • Product Family:
          Vibro-Meter
        • Product Type:
          Proximity Transducer Sensor
        • Stock:
          1
        • Casing Thread Spec:
          Metric M10 × 1 thread body
        • Unthreaded Length:
          0 mm (fully threaded case)
        • Frequency Response:
          DC to 20 kHz (−3 dB)
        • Target Material Calibration:
          VCL 140 ferromagnetic steel (1.7225)
        • Operating Temperature:
          −40°C to +180°C
        • Tip Construction Material:
          Torlon® (polyamide-imide) polymer
        • Body Construction Material:
          AISI 316L stainless steel with epoxy sealing
        • Environmental Protection:
          IP68 rating for the transducer head
        • Weight:
          0.25 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 Certifications & Standards

        Features:

        • API 670 Compliant Machinery Protection Architecture
        • Advanced Torlon® Polymer and AISI 316L Casing Ruggedization
        • Dynamic 20 kHz High-Frequency Response Capability
        The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 conforms fully to the strict recommendations of the API 670 industry standard. This design guarantee ensures its measurement accuracy, component interchangeability, and direct integration suitability for standard machine protection racks worldwide.

        Featuring a high-performance Torlon® tip molded over an 8 mm wire coil, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 resists chemical corrosion and physical abrasion. The assembly is encapsulated in an AISI 316L stainless steel body via high-temperature epoxy to thrive under extreme asset vibrations.

        The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 captures dynamic displacement data up to 20 kHz within its active measurement range. This wide response window allows plant operators to detect high-frequency rotor faults, subtle shaft eccentricities, and early-stage aerodynamic turbulences.

        The TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 vibro-meter Proximity Transducer Sensor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 Proximity Transducer Sensor 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 TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 Proximity Transducer Sensor

        General

        • Manufacturer vibro-meter
        • Model TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05
        • 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.
        • Steam and Gas Turbine Thrust Tracking: The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 provides high-accuracy axial displacement measurements on massive generator sets. It helps control loops maintain critical rotor clearances, preventing destructive thrust bearing rubs.
        • High-Speed Compressor Vibration Diagnostics: Installed in turbo-compressors within oil and gas refineries, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 monitors relative shaft vibration. It delivers immediate feedback on shaft misalignments, rotor unbalances, and fluid-film bearing instabilities.
        • Hydroelectric Generator Eccentricity Checks: This sensor monitors large hydraulic turbines and alternators to check air gaps and structural shaft runouts. The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 ensures magnetic and mechanical forces stay balanced during rapid load changes.
        • Heavy Industrial Pump Submerged Monitoring: Utilizing its IP68-rated fluid protection, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 mounts inside harsh chemical or boiler feed pumps. It tracks shaft health under corrosive, high-pressure processing conditions.
        • Functional Safety Loop Suitability: The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 integrates seamlessly with SIL 2 "by design" IQS900 signal conditioners. This compliance enables deployment in safety-instrumented systems (SIS) that manage automated machine trips.
        • Industrial Environmental Sustainability: Built with FEP-covered coaxial cabling and non-toxic materials, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 complies with global environmental directives. It limits eco-impact while enduring heavy operating exposure.
        • Explosive Atmosphere System Safety: When connected through verified intrinsic safety parameters, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 prevents dangerous electrical discharges. It operates reliably within Zone 0, Zone 1, or Zone 2 hazardous field environments.
        • Mechanical Integrity and Stress Resistance: This transducer meets rigorous international testing criteria for mechanical shock and sustained sine vibrations. The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 prevents premature mechanical failure under tough structural loads.
        • API Standard 670 Compliance: The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 conforms perfectly to API 670 guidelines for proximity systems. This assures universal scaling, standardized sensitivity, and global component interchangeability.
        • ATEX / IECEx Intrinsic Safety Approvals: This model supports Ex ia IIC T6...T3 Ga certifications for intrinsic safety in explosive gas zones. The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 meets strict European and international hazardous area requirements.
        • North American cCSAus Certification: Possessing certified division-based compliance, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 is approved for Class I, Divisions 1 and 2, Groups A, B, C, and D areas. This simplifies safety layout audits for North American engineering firms.
        • EAC and Multi-National Pattern Recognition: Holding cross-border metrology declarations, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 is approved for the Eurasian Customs Union. It ensures smooth import compliance and clear calibration traceability across global projects.
        Description
        The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 provides continuous gap and displacement monitoring in extreme rotating environments to prevent catastrophic asset failures. 

        Designed strictly under API 670 guidelines, the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 tracks shaft relative vibration and axial thrust position with micro-meter resolution. It utilizes a ruggedized Torlon® tip and high-grade stainless steel body to survive aggressive thermal and mechanical stress. 

        This transducer serves as the critical frontline sensing element within larger machinery monitoring ecosystems, ensuring uninterrupted plant operations. The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 delivers excellent linear output and thermal stability across broad operating ranges.

        By seamlessly matching with standard EA402 cables and IQS900 or IQS450 signal conditioners, it builds a fully interchangeable measurement chain. The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 optimizes rotating hardware diagnostics in power generation, oil, and gas sectors.
        Alternative Names
        TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 TQ402 III-402-000-0I2 AI-BI-D000-E0I0-F0-G000-H05 TQ4O2 111-4O2-OOO-O12 A1-B1-DOOO-EO1O-FO-GOOO-HO5 IQS450 S3960 204-450-000-002-A1-B21-H5-I0 TQ402 111-402-000-013 S3960 A1-B1-C042-D000-E010-F0-G000-H10 IQS450 S3960 204-450-000-002-A1-B23-H5-I0
        Technical notes
        The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 must be operated within a calibrated measurement chain utilizing a proper extension cable to prevent electrical tuning and linearity errors. Ensure the miniature coaxial connector is hand-tightened until locked during installation to maintain its IP68 environmental sealing rating.
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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
        How do you configure the I/O wiring and sensor-side matching for the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05?
        The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 connects directly to the sensor-side input of an IQS900 or IQS450 signal conditioner using its integrated miniature coaxial connector. For a standard 5-meter total system length (H05 configuration), the sensor's short integral cable must plug into an EA402 extension cable. This extension cable routes the high-frequency modulator signals back to the terminal inputs of the conditioner module.
        What signal diagnostics depth is available when integrating the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 with current signal conditioners?
        When paired with an IQS900 conditioner containing diagnostic circuitry (Option C2), the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 benefits from a built-in self-test (BIST) loop. The system continuously verifies the measurement chain's impedance health. If an open-circuit, short-circuit, or sensor tip fault occurs, the conditioner drops its loop current outside the standard −15.5 to −20.5 mA operating window to flag a diagnostic error.
        Can the vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 support third-party acquisition systems, or does it require dedicated VM600 hardware?
        The vibro-meter TQ402 111-402-000-012 A1-B1-D000-E010-F0-G000-H05 works perfectly with third-party monitoring hardwar. While it integrates smoothly with VM600, VM600Mk2, and VibroSmart® modules, its paired signal conditioner outputs industry-standard voltage (−1.6 to −17.6 V) or current loops. The conditioner's low voltage output impedance (<100 Ω) allows clean, long-distance signal routing into third-party PLCs or DCS safety barriers without accuracy loss.

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