Copper-ring-positioned metal probe NTC temperature sensor

Main Features:

A copper‑ring‑positioned, metal‑probe NTC temperature sensor specially designed for smart home fluid‑handling devices. Featuring a fully sealed stainless‑steel probe and an integrated copper‑ring stop‑and‑fixation structure, it delivers exceptional water resistance, high‑temperature tolerance, and corrosion protection. It can operate reliably over long periods in humid, high‑temperature environments such as liquids and steam, and is widely compatible with smart water heaters, wall‑mounted boilers, air‑conditioning piping, HVAC systems, and other equipment. This ensures precise, dependable fluid‑temperature data, safeguarding temperature‑control accuracy and operational safety.

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Category:

Smart Home

Keyword: Copper-ring-positioned metal probe NTC temperature sensor

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Key Features

Stainless steel sealed probe, waterproof, corrosion-resistant, and high-temperature resistant.
Copper-ring limit design ensures precise installation and efficient heat conduction.
High-precision temperature measurement with excellent long-term stability.
High-temperature-resistant wire and insulation protection, compatible with a wide temperature range.
Strong anti-interference capability and stable signal transmission.
Flexible customization, adaptable to diverse scenarios.

Typical application scenarios

Smart water heater / wall-mounted boiler: monitors the water temperature in the inner tank and along the inlet and outlet pipelines, enabling constant‑temperature water delivery and overheating protection.
Air conditioning/heat pump system: refrigerant piping, supply and return water temperature monitoring, and intelligent auxiliary temperature control and defrost management.
HVAC / Heating Equipment: Floor‑heating piping and wall‑mounted boiler circulating water temperature monitoring, enabling precise temperature control and energy‑efficient operation.
Commercial fluid equipment: Fluid temperature monitoring and control for commercial water heaters and heat pump units.
Other smart home devices: liquid temperature monitoring for steam appliances and water treatment equipment.

Technical specifications (adjustable upon request)

Sensor type: Copper-ring‑positioned metal probe with an NTC thermistor
Standard resistance values: 10 kΩ / 50 kΩ / 100 kΩ (at 25°C)
B-value coefficient: 3950 / 3977 / 4200K (optional)
Temperature measurement accuracy: ±0.3°C to ±1°C (depending on the selected configuration)
Operating temperature range: -40°C to +180°C (customizable extensions available)
Probe material: 304 stainless steel (316L stainless steel available upon request)
Probe dimensions: standard diameters of 4 mm, 5 mm, and 6 mm; length customizable.
Limiting Structure: Integrated Positioning with a Copper Ring (Customizable Dimensions)
Waterproof rating: IP67 (at the probe tip; higher ratings available upon request)
Lead wire material: High-temperature-resistant PVC / Teflon wire (optional)
Connector Type: Bare Wire Terminals / Standard Terminals (Customization Available)
Installation method: Plug-in type with limit-stop fixation

Customized Services

We offer end-to-end customization services tailored to your specific equipment requirements, covering probe dimensions, copper ring specifications, wire lengths, electrical parameters, and overall structural design. We can swiftly align with your product design roadmap while supporting mass production and rigorous quality inspection, ensuring both delivery efficiency and consistent product performance.

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