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Tube-mounted/Clamp-type thermal resistance
- Product Description
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Tube-mounted/Clamp-type thermal resistance
Channel-mounted patch-type thermal resistors are a type of temperature sensor specifically designed to measure the surface temperature of pipelines, tanks, and other equipment. Their core lies in their patch‑type or tile‑type sensing structure, which allows them to adhere closely to the measured surface, thereby providing accurate wall‑temperature readings.
Below are its key technical features and selection guidelines:
I. Core Features and Advantages
Close Fit: Featuring a tile‑shaped or arc‑shaped temperature‑sensing surface, it achieves maximum contact with the pipe’s outer wall, eliminating the significant point‑contact errors of traditional probes.
Non‑destructive Installation: Unlike conventional thermocouples that require drilling holes in the pipe, patch‑type sensors are primarily secured using clamps, cable ties, thermal adhesive, or magnetic attachment, without compromising the pipe’s structure—making them especially suitable for pipes with liners or those where drilling is prohibited.
Fast Response: By making direct contact with the metal pipe wall, these sensors offer rapid thermal response times (some models can reach 1.5–3 seconds), accurately capturing temperature changes inside the pipe.
Structural diversity: Different curvatures can be selected based on pipe diameter, or a flexible structure can be used to accommodate irregular surfaces.
II. Key Technical Parameters
Parameter Typical Value / Range Description and Notes Core Component Pt100(most common), Pt1000, NTC thermistor Pt100 offers high accuracy, while NTC is low-cost and fast-responding Temperature Measurement Range -50℃ ~ +260℃(standard)
-200℃ ~ +450℃ (special industrial type)Depending on the installation environment and wire material, the typical industrial range is usually -50 to 260℃ Accuracy Class Class A[±(0.15+0.002|t|)℃]
Class B[±(0.30+0.005|t|)℃]Consistent with standard resistance thermometers; Class A offers higher accuracy Installation method Clamp/bundle tie fixation(most convenient)
High-temperature thermal adhesive/magnetic attachment(high flexibility)
Welded heat-collecting block(permanent fixation)Selection depends on whether the site requires explosion-proof protection, vibration conditions, and maintenance requirements Conductor Material PVC (-20~105℃)
Silicone (-50~180℃)
Teflon (-50~260℃)
Glass fiber/metal mesh(high-temperature resistant)Determines the sensor’s maximum environmental temperature rating Applicable Pipe Diameter Supports Φ10mm ~ Φ150mm or even wider When purchasing, please confirm the pipe diameter; manufacturers can customize the curvature III. Typical Application Scenarios
HVAC and Building Systems: Measures the surface temperature of boilers, heating pipes, and chilled water piping in air-conditioning systems for energy consumption monitoring.
Industrial Process Monitoring: In industries such as chemical processing, pharmaceuticals, and metallurgy, it measures the wall temperature of reaction vessels, steam pipelines, and high-temperature flues to indirectly monitor the medium’s temperature.
Equipment Health Management: Applied to motor housings, compressors, and pump bodies to monitor operating temperatures and prevent overheating failures.
Special‑Material Piping: For plastic, composite materials, or pipes with enamel or PTFE linings—where drilling and welding are not feasible—the adhesive‑type solution is the only option.
IV. Key Considerations for Selection
When selecting a pipe‑mounted thermoresistance, we recommend clearly defining the following requirements:
Pipe Size and Material: Please provide the pipe’s outer diameter (e.g., Φ60mm) and material (metal/plastic) so we can customize the correspondingcurvature andclamp size。
Temperature Range and Accuracy: Please confirm the maximum operating temperature (which affects wire material selection) and the required accuracy grade (typically A or B).
Installation and Wiring Environment: Please indicate whether there are anyexplosion-proof requirements on site (requiring an explosion-proof junction box), and whether athree-wire configuration is needed (to eliminate wiring errors, an industrial standard).
If you can provide the specificouter diameter of the pipe, the maximum temperature, and theinstallation environment (e.g., indoor/outdoor, explosion-proof requirements), I can recommend a more tailored model option.
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