Long-rod NTC temperature sensor

Main Features:

This series of long‑rod NTC temperature sensors is specifically designed for immersion, in‑cavity, or long‑distance temperature measurement applications. Featuring a slender stainless‑steel rod‑shaped package and an integrated lead wire with a standard connector, these sensors can be inserted deep into the measured medium or into confined cavities, enabling precise temperature acquisition. They offer excellent thermal conductivity, flexible installation, and broad compatibility, making them ideal for industrial equipment, HVAC piping, household appliance enclosures, and other applications, thereby providing stable and reliable temperature data feedback for a wide range of temperature control systems.

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Category:

Industrial Automation and Industrial Control

Keyword: Long-rod NTC temperature sensor

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Core Technological Advantages

Long‑rod, insertion‑type design, suitable for specialized temperature‑measurement applications.

High-precision temperature measurement with stable and reliable performance.

Industrial-grade protection with exceptional durability.

Integrated connector design for convenient and efficient installation.

Typical application scenarios

Industrial fluid equipment: temperature monitoring inside water tanks, oil tanks, and boiler chambers; temperature acquisition of media deep within pipelines.
HVAC and air-conditioning systems: internal temperature acquisition for water tanks, evaporators, and condensers; cavity temperature measurement of heat pump equipment.
Home appliance and kitchen & bathroom equipment: water heaters, wall-mounted boilers, coffee machine water tanks / internal cavity temperature monitoring
Industrial equipment: internal temperature monitoring of reaction vessels, small furnaces, and equipment chambers.

Standard Technical Parameters

Temperature-sensing element: NTC negative temperature coefficient thermistor
Standard resistance values: 10 kΩ / 50 kΩ / 100 kΩ at 25°C (customizable)
B-value coefficient: 3950/4100/4200 (customizable)
Temperature measurement accuracy: ±0.3°C to ±0.5°C (within the 0–100°C range)
Operating temperature: -40°C to +125°C (customizable extensions available)
Probe material: 304 stainless steel with a long‑rod housing.
Probe dimensions: diameter φ3–φ6 mm, length 20–100 mm (customizable)
Protection rating: IP67
Response time: ≤3 s (in a stationary liquid medium)
Wire specifications: High-temperature-resistant wire (customizable length, with standard connector)
Environmental Standards: Compliant with RoHS regulations, free of hazardous substances, safe and environmentally friendly.

Customized Services

This product supports full‑specification, custom customization, allowing you to tailor parameters such as probe length, diameter, resistance value, B‑value, operating temperature range, lead wire length, and connector type to meet your specific requirements. We can also design a dedicated temperature‑measurement solution tailored to your actual application conditions, ensuring it satisfies a wide range of usage needs.

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