GT-12/HT-5 High Temperature Ultrasonic Probe Thickness Gauge (Up To 350 °C)

The GT-12/HT-5 High Temperature Ultrasonic Thickness Gauge Probe is a precision-engineered ultrasonic transducer designed specifically for material thickness measurement in elevated temperature environments up to 350°C. Built for industrial nondestructive testing (NDT) applications, this 5 MHz high temperature ultrasonic probe delivers stable, repeatable, and accurate readings on heated metal surfaces where conventional probes fail.Manufactured for compatibility with ultrasonic thickness gauges used in fabrication plants, refineries, power generation facilities, shipyards, and heavy engineering industries, the GT-12/HT-5 model provides a dependable solution for professionals who require reliable thickness inspection under extreme thermal conditions.With a 5 MHz operating frequency, 14 mm contact diameter, and 4 mm to 80 mm measuring range, this High-Temperature Thickness gauge probe ensures optimal penetration, signal clarity, and measurement accuracy across a broad spectrum of industrial metals.Key Technical SpecificationsModel: GT-12/HT-5Probe Type: High Temperature Ultrasonic Thickness Gauge ProbeFrequency: 5 MHzContact Diameter: 14 mmMeasuring Range: 4 mm – 80 mmMaximum Operating Temperature: Up to 350°CApplication: High-temperature thickness measurementTechnology: Ultrasonic pulse-echo methodEngineered for High Temperature Thickness Measurement ApplicationsStandard ultrasonic transducers are not designed to withstand prolonged exposure to elevated temperatures. Excessive heat can degrade piezoelectric elements, distort readings, and shorten probe lifespan. The GT-12/HT-5 ultrasonic thickness transducer is specifically engineered for hot surface inspection, maintaining measurement stability in environments reaching 350 degrees Celsius.This makes it ideal for:Hot rolled steel inspectionBoiler tube thickness monitoringPressure vessel testingPetrochemical pipeline evaluationPower plant maintenance inspectionsFurnace and heat exchanger measurementHeavy machinery component verificationThe probe’s robust construction ensures reliable acoustic coupling and signal transmission even when applied to heated steel plates, pipes, and structural components.5 MHz Frequency for Optimal Balance of Penetration and AccuracyThe 5 MHz ultrasonic frequency provides an optimal balance between penetration depth and resolution. Lower frequencies penetrate thicker materials but reduce resolution. Higher frequencies improve resolution but limit penetration depth.The GT-12/HT-5 strikes the ideal equilibrium for industrial metal inspection, enabling:Precise measurement on medium-to-thick materialsReliable echo return in high-temperature conditionsReduced signal attenuationEnhanced waveform stabilityThe 5 MHz configuration ensures dependable performance across its 4–80 mm thickness range.14 mm Contact Diameter for Stable Surface CouplingThe 14 mm contact diameter offers improved surface contact stability, particularly on flat and slightly curved surfaces such as pipes and plates. A larger contact footprint ensures:Consistent acoustic couplingReduced signal fluctuationStable echo formationImproved repeatabilityThis design enhances reliability when measuring oxidized, scaled, or thermally stressed metal surfaces.Measuring Range: 4 mm to 80 mmThe GT-12/HT-5 high temperature ultrasonic probe is optimized for thickness measurement between 4 mm and 80 mm, making it suitable for:Steel platesIndustrial pipingStorage tanksStructural beamsHeat exchangersBoilersThis wide range provides flexibility across various industrial inspection requirements without requiring multiple probe replacements.Built for Harsh Industrial EnvironmentsIndustrial inspection environments are rarely ideal. High temperatures, surface scaling, vibration, and environmental exposure demand durable equipment. The GT-12/HT-5 high temperature ultrasonic thickness gauge probe is built with:Heat-resistant internal componentsHigh-temperature tolerant acoustic stackIndustrial-grade housingDurable cable configurationThe probe maintains structural integrity and measurement accuracy under demanding operational conditions.Compatibility with Ultrasonic Thickness GaugesThis high-temperature ultrasonic thickness transducer is designed for use with compatible ultrasonic thickness gauges that support high temperature probes. It operates using the pulse-echo principle, allowing non-destructive evaluation without damaging the test material.Always ensure compatibility with your specific thickness gauge model before installation.Applications of GT-12/HT-5 High Temperature Ultrasonic Probe1. Oil & Gas IndustryIn refineries and petrochemical plants, equipment operates under extreme heat. Shutting down systems for cooling is costly. This high temperature ultrasonic probe enables on-site hot inspections to monitor:Corrosion under insulation (CUI)Wall thinningErosion damagePressure pipeline integrity2. Power Generation FacilitiesBoilers, steam pipes, and turbines operate at elevated temperatures. This industrial ultrasonic thickness probe ensures:Continuous asset integrity managementPreventative maintenanceCompliance with safety standards3. Shipbuilding & Marine IndustryMarine components exposed to heat and pressure require reliable NDT inspection. The GT-12/HT-5 provides consistent thickness readings on structural steel components.4. Heavy Fabrication & Steel MillsDuring hot rolling and metal processing operations, thickness verification is critical. This probe allows high-temperature inspection without process interruption.Advantages of Using a High Temperature Ultrasonic Thickness Gauge ProbeChoosing a specialized high temperature probe like the GT-12/HT-5 offers significant advantages:Accurate Measurements on Heated SurfacesStandard probes produce unreliable readings at elevated temperatures. This probe maintains measurement precision.Reduced DowntimeHot surface measurement eliminates the need for cooling shutdowns.Improved Workplace SafetyOperators avoid delays and repeated exposure during cooled re-testing.Cost EfficiencyPrevents equipment failure by enabling early detection of wall thinning and corrosion.Long Service LifeDesigned specifically for thermal resistance and industrial durability.How Ultrasonic Thickness Measurement WorksThe GT-12/HT-5 ultrasonic thickness transducer operates using the pulse-echo ultrasonic testing method:The probe emits a high-frequency ultrasonic pulse into the material.The sound wave travels through the material.The wave reflects from the back wall.The probe receives the echo.The thickness gauge calculates thickness based on time-of-flight.Because ultrasonic waves travel at known velocities through specific materials, the system computes accurate thickness without cutting, drilling, or damaging the test surface.Designed for Professional NDT InspectorsThis industrial ultrasonic thickness probe is engineered for:NDT techniciansMechanical inspectorsMaintenance engineersQuality assurance professionalsAsset integrity managersIts performance characteristics align with industrial inspection standards and field requirements.Performance Stability at 350°CAt elevated temperatures, sound velocity in materials changes. High temperature probes must withstand both physical heat stress and signal variation.The GT-12/HT-5 maintains:Stable piezoelectric responseControlled thermal expansionConsistent echo amplitudeReliable waveform clarityThis ensures repeatable thickness readings even under thermal stress.Why Choose GT-12/HT-5 Over Standard Probes?FeatureStandard ProbeGT-12/HT-5 High Temperature ProbeMax TemperatureLowUp to 350°CSignal Stability at HeatReducedOptimizedDurabilityModerateIndustrial GradeHot Inspection CapabilityLimitedYesSuitable for Boilers & FurnacesNoYesInstallation & Usage GuidelinesFor optimal results:Use appropriate high-temperature couplant.Minimize prolonged continuous contact time.Calibrate thickness gauge before measurement.Follow manufacturer-recommended temperature exposure limits.Proper handling ensures extended service life and consistent measurement accuracy.Frequently Asked QuestionsWhat is the maximum temperature this ultrasonic probe can handle?The GT-12/HT-5 high temperature ultrasonic thickness gauge probe is rated for use on surfaces up to 350°C.What materials can this probe measure?It is primarily designed for metallic materials such as:Carbon steelStainless steelAlloy steelIndustrial structural metalsWhat is the operating frequency of this probe?The probe operates at 5 MHz, offering an optimal balance between penetration depth and measurement resolution.What thickness range does this probe support?It measures material thickness from 4 mm to 80 mm, depending on material type and surface condition.Why is a high temperature ultrasonic probe necessary?Standard probes can lose accuracy or become damaged at high temperatures. A high-temperature ultrasonic transducer ensures safe, reliable measurement under thermal stress.Can this probe be used continuously at 350°C?It is designed for high temperature applications; however, continuous prolonged exposure should follow operational best practices and equipment guidelines.Is calibration required before use?Yes. Calibration with a reference test block is recommended before performing measurements for maximum accuracy.Does this probe support curved surfaces?Yes. The 14 mm contact diameter provides stable coupling on flat and moderately curved surfaces such as pipes.What industries use this high temperature thickness gauge probe?Common industries include:Oil & GasPetrochemicalPower GenerationMarineHeavy FabricationSteel ManufacturingWhat measurement method does this probe use?It operates using the ultrasonic pulse-echo method, a non-destructive testing technique.Order the GT-12/HT-5 High Temperature Ultrasonic Thickness Gauge Probe TodayWhen high-temperature environments demand precision, durability, and reliability, the GT-12/HT-5 high temperature ultrasonic thickness gauge probe delivers professional-grade performance. Designed for industrial thickness measurement up to 350°C, this ultrasonic transducer ensures accurate wall thickness inspection without compromising safety or productivity.Upgrade your ultrasonic thickness measurement capabilities with a probe engineered specifically for extreme heat applications. Ideal for NDT professionals who demand performance under pressure, the GT-12/HT-5 provides the confidence and precision your inspection process requires.You Might Also Need These Products:Trimble 54617 Cable Assy Hydraulic Valve GEN II CTRLROriginal 2864488 Engine Wiring Harness For M11 ISM11 QSM11