Flexible Rtd

I. Core Parameters

II. Product Features

Super Flexibility for Complex Curved Surfaces: Adopts special flexible cable substrate and sheet-type probe design, which can be easily bent to fit pipelines, equipment curved surfaces and narrow spaces with a minimum bending radius of only 5mm. It solves the installation limitation of traditional rigid sensors and adapts to temperature measurement needs of irregular structures.

High-Precision Temperature Measurement with Reliable Data: Equipped with high-quality Pt100/Pt500/Pt1000 RTD elements with optional Class A/Class B accuracy. It features small temperature measurement error within the range of -50℃~200℃ and response time ≤ 5s, which can quickly and accurately capture temperature fluctuations, providing reliable data support for production monitoring and control.

Diversified Fixing Methods for Convenient and Efficient Installation: Supports multiple installation methods including adhesive bonding, buckle fixing and binding fixing. The adhesive adopts high-temperature resistant and high-viscosity material, which is not easy to fall off after bonding. Installation can be completed without complex tools, greatly shortening construction time.

Weather and Corrosion Resistance with Strong Environmental Adaptability: The outer layer is made of flame-retardant PVC/PUR material, which has excellent wear resistance and chemical corrosion resistance. With protection class up to IP65/IP67, it can work stably in humid, dusty and slightly corrosive industrial environments, extending service life.

Flexible Specifications with Customization Support: Probe size, cable length and wiring mode can be customized on demand. It can be matched with cables of different materials (such as high-temperature resistant silicone cables) to meet the personalized temperature measurement needs of new energy, electronics, food and other industries.

III. Related Component Specifications

1. Core Temperature Measurement Components

RTD Element: Wound with high-purity platinum wire, available in Pt100/Pt500/Pt1000 specifications. It features excellent linearity, stable thermoelectric performance and regular resistance change in a wide temperature range, ensuring temperature measurement accuracy. The element is tightly packaged and firmly combined with the flexible substrate, not easily affected by vibration.

Flexible Probe: The sheet-type probe has a thickness of 0.5~2mm and width of 3~10mm, made of temperature-resistant flexible composite material with built-in RTD element. It has a smooth surface and strong adhesion. The wire-type probe can be cut to length on demand, with excellent flexibility, facilitating pipeline threading or equipment routing.

2. Connection and Fixing Components

Cable: Standard PVC cable (temperature resistance 85℃); customizable PUR cable (temperature resistance 105℃) and silicone cable (temperature resistance 150℃). Cable cross-section specification: 0.12~0.5mm², with good conductivity and low signal transmission loss. Standard length: 1~5m, longer lengths available on demand.

Terminal: Tin-plated copper terminal with low contact resistance, compatible with terminal blocks and plugs, ensuring firm and non-loose connection. Some models can be customized as finished products with connectors for direct connection to monitoring equipment, improving wiring efficiency.

Fixing Accessories: The adhesive is high-temperature resistant acrylic adhesive, with temperature resistance range of -40℃~150℃ and adhesive force ≥ 10N/25mm. The buckle is made of ABS material, matching probe width to prevent probe displacement after installation. The binding tape is made of nylon material, corrosion-resistant and non-aging.

3. Protection Components

Outer Protection Sleeve: The probe and cable are covered with flame-retardant PVC/PUR sleeve (thickness 0.3~0.5mm), which has excellent insulation and wear resistance. It can effectively isolate external dust, moisture and slightly corrosive chemical media, protecting internal components.

Sealing Structure: The connection between probe and cable adopts integrated injection molding sealing process without obvious gaps. Combined with IP65/IP67 protection class, it can prevent moisture from infiltrating through the connection, improving product reliability in humid environments.

IV. Application Scenarios

With core advantages of "flexible adaptation, precise temperature measurement and convenient installation", this product is widely used in scenarios requiring attached temperature measurement for narrow spaces or irregular structures, mainly including:

New Energy Industry: Surface temperature monitoring of lithium battery cells, modules and PACKs. The flexible probe can closely fit the battery shell, real-time capturing temperature changes during charging and discharging to prevent thermal runaway risks. It also applies to PV module backsheet temperature monitoring, adapting to curved surface installation of modules.

Electronic Manufacturing Industry: Temperature monitoring during PCB circuit board and chip packaging. The slim probe can reach narrow spaces inside equipment to accurately measure heat generation of electronic components. It is also used for temperature collection in electronic component aging tests to ensure test data accuracy.

Food and Pharmaceutical Industry: Temperature monitoring of carriage in food cold chain transportation. The flexible probe can fit the inner wall of cold chain boxes or wrap around goods. In pharmaceutical production, it is used for temperature monitoring of reactors and pipelines. The corrosion-resistant material meets industry hygiene requirements, adapting to clean environments.

Industrial Equipment Field: Temperature monitoring of windings and casings of motors, transformers and other equipment. The flexible probe can be routed along windings or fit equipment curved surfaces, real-time monitoring equipment operating temperature to prevent overheating damage. It also applies to surface temperature measurement of pipelines and containers, adapting to different diameters and shapes.

Other Scenarios: Temperature monitoring of automotive interiors and power battery packs, pipeline temperature collection of household heating systems, and temperature measurement of special structures in scientific research experiments, all leveraging its flexible adaptation advantage.

V. Product Advantages

Flexible Adaptation to Break Installation Limitations: Compared with traditional rigid RTDs, it can easily fit curved surfaces and reach narrow spaces, solving temperature measurement problems in irregular structures and complex working conditions. It has a wider application range without the need for custom sensors for special scenarios.

Precision and Efficiency to Ensure Monitoring Quality: High-quality RTD elements combined with fast response design provide high measurement accuracy and quick response speed, timely capturing abnormal temperature fluctuations. It offers precise data support for production safety and process optimization, reducing risks caused by inaccurate temperature monitoring.

Easy Installation to Reduce Labor Costs: Multiple convenient fixing methods eliminate the need for complex construction such as drilling and welding. Ordinary workers can quickly complete installation and commissioning, greatly shortening construction period and reducing installation labor and time costs.

Durability to Reduce Maintenance Investment: Weather and corrosion resistant outer material combined with excellent sealing structure ensures long service life. It is not easily damaged in harsh environments, reducing frequency of later maintenance and replacement, and lowering operation and maintenance costs.

Flexible Customization to Meet Diverse Needs: Probe size, cable specification and wiring mode can be customized to accurately match temperature measurement needs of different industries and equipment, improving product adaptability to practical application scenarios.

VI. Frequently Asked Questions (FAQs)

Q: What is the minimum bending radius of the flexible RTD? Will bending affect temperature measurement accuracy?

A: The minimum bending radius of standard products is ≥ 5mm, and smaller radii are available for custom models. The product is designed with bending performance in mind; when used within the specified bending range, it will not damage the internal RTD element structure and connections, so temperature measurement accuracy remains unaffected. However, excessive bending or repeated folding should be avoided to prevent damage to the connection between cable and probe.

Q: Will the adhesive-fixed flexible RTD fall off in high-temperature environments?

A: The product is equipped with high-temperature resistant acrylic adhesive, which can withstand temperatures from -40℃ to 150℃. Within the standard operating temperature range (-50℃~200℃), especially below 150℃, it maintains stable adhesion and is not easy to fall off. For high-temperature scenarios above 150℃, it is recommended to use buckles or binding tapes for auxiliary fixing to enhance stability.

Q: Can this product be used outdoors or in humid open-air environments? A: Products with IP67 protection class are suitable for outdoor or humid open-air environments, featuring excellent dustproof and waterproof performance and temporary resistance to rain washing or water immersion. However, long-term submersion should be avoided. For outdoor use, it is recommended to install a waterproof box for the terminals to further improve protection. IP65 models are only suitable for dry or slightly humid indoor environments and not recommended for open-air scenarios.

Q: How to choose between different wiring modes (2-wire/3-wire/4-wire)? A: ① 2-wire mode: Low cost, suitable for short-distance (≤10m) and low-precision temperature measurement scenarios such as general environmental monitoring; ② 3-wire mode: Can offset lead resistance impact, suitable for medium-distance (10~50m) and medium-precision scenarios such as industrial equipment surface temperature measurement; ③ 4-wire mode: Completely eliminates lead resistance error with the highest accuracy, suitable for long-distance (≥50m) and high-precision scenarios such as new energy batteries and scientific research experiments with strict temperature data requirements.

Q: What is the recommended calibration cycle for the product?

A: For standard industrial scenarios, annual or biennial calibration is recommended. For use in harsh environments with high temperature, strong vibration or severe corrosion, the cycle should be shortened to 6-12 months. For products used in scientific research experiments or precision production, calibration every 3-6 months is recommended based on actual application needs and industry standards to ensure temperature measurement accuracy meets requirements.

2-wire

3-wire

4-wire

Manual Welding

Automatic Welding

Insulation Testing

Laser Marking

Warehouse Managing

Thermocouple Assemble

Vacuum Leak Detection

Surface Polishing

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