Product Description
A Ring Lug NTC Temperature Sensor is a robust and highly practical device designed for accurate temperature measurement and monitoring on metal surfaces, particularly pipes, tubes, and flat plates. It integrates a Negative Temperature Coefficient (NTC) thermistor, which exhibits a decrease in electrical resistance as temperature increases, into a sturdy, easy-to-install ring lug terminal. This design ensures excellent thermal contact with the target surface, leading to fast response times and high measurement accuracy. It is an ideal solution for industrial, automotive, and HVAC applications where reliable surface temperature data is critical.
Specification
Surface Mount NTC Temperature Sensor
Resistance at 25℃: 100K Ω±2%
B value: 3950K±1%
Probe: O-Lug Surface Mounting Probe
Hole size: φ4mm
Wire: 10mm to 1000mm PVC wire 105℃, or customized
Operation temperature: -20 to +150℃
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Standard NTC |
R25℃=100KΩ±2% |
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B25/50=3950K±1% |
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Operating temperature |
-20~150℃ |
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Application |
induction cooker,transducer, lithium battery,electric motor, etc. |





Features
Excellent Thermal Contact: The ring lug design, typically made of copper or brass, can be securely fastened with a bolt or screw, maximizing surface contact for efficient heat transfer and minimizing measurement errors.
Fast Response Time: The combination of a sensitive NTC thermistor and the secure mechanical connection allows for a rapid reaction to changes in surface temperature.
High Accuracy & Stability: NTC thermistors provide high precision over a specific temperature range, typically from -50°C to 150°C, ensuring reliable and consistent readings.
Rugged and Durable Construction: The sensor is often housed in a high-temperature-resistant epoxy or PPS plastic body, offering protection against moisture, vibration, and corrosive environments.
Easy Installation: The ring lug terminal allows for simple and secure mounting using standard hardware, eliminating the need for adhesives or complex fixtures.
Wide Operating Temperature Range: Suitable for use in both low-temperature and high-temperature environments, depending on the model specifications.
Variety of Cable Options: Available with different cable lengths, jacket materials (e.g., silicone for high-temperature flexibility), and connector types to suit various application needs.

Application
Ring Lug NTC Temperature Sensors are widely used in industries where monitoring the temperature of metal surfaces is essential for safety, efficiency, and control. Common applications include:
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HVAC/R Systems: Monitoring pipe temperatures in chillers, heat pumps, and refrigeration units.
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Industrial Machinery: Temperature monitoring of hydraulic lines, motor housings, compressors, and extruder barrels.
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Automotive and Aerospace: Measuring coolant line temperatures, oil line temperatures, and surface temperatures on engines and components.
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Energy and Power Generation: Monitoring temperatures in solar thermal systems, power inverters, and battery cooling plates.
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Laboratory and Test Equipment: Providing precise surface temperature feedback in controlled environments.











