KTY81-210 KTY Sensor: Reliable and Precise Temperature Monitoring for Various Applications

KTY81-210 Product Overview

Our KTY81-210 is a Resin Coated KTY Sensor that can alternative for SOD70 type KTY81-210 Temperature Sensor from the renowned KTY81 temperature sensor series, offering accurate temperature measurements for a variety of applications. This KTY temperature sensor  is widely recognized for its precision, stability, and reliability in harsh environments. It’s ideal for use in automotive systems, industrial equipment, and other temperature-sensitive applications.

Applications of KTY81-210

The KTY81 Temperature Sensor is suitable for multiple temperature control and monitoring applications, mainly including:

• Automotive systems
• HVAC (Heating, Ventilation, and Air Conditioning)
• Industrial process control
• Medical devices
• Consumer electronics
• Temperature measurement and control systems

KTY Sensor ' s high accuracy and robust design make it a popular choice across various industries.

Key Advantages of KTY Sensor

The KTY81-210 offers several advantages that make it a preferred option for temperature sensing:

• High accuracy: KTY temperature sensor ensures precise temperature measurements.
• Long-term stability: Minimal drift over time.
• Wide operating range: Effective from -40°C to +80°C.
• RoHS-compliant: Environmentally friendly and meets safety standards.
• Low self-heating: KTY81-210  sensor ensures accurate readings by minimizing sensor heating effects.
• Linear Characteristics: The output characteristics of KTY81 Temperature Sensor are virtually linear, simplifying the interpretation of readings.

Main Features of KTY81-210

KTY81-210 Temperature Sensor Main Specifications

Selection of KTY Sensor

When choosing the KTY81-210 Temperature Sensor, consider the environmental conditions, accuracy requirements, and temperature range of your application. The KTY Sensor  is versatile and designed to suit a wide range of temperature-sensitive applications.

Working Principle

The KTY temperature sensor exhibits a Positive Temperature Coefficient (PTC) of resistance, meaning its resistance increases with temperature.The KTY81-210 operates using a Resin-based mechanism, where the resistance increases with temperature. This KTY temperature sensor features a positive temperature coefficient (PTC), which allows for linear and predictable changes in resistance, providing reliable and accurate temperature readings.

R-T diagram of KTY81/2 series

To keep the Temperature Deviation low, it is recommended that the operating current is Isen(cont) = 1mA when the temperature is higher than 100 ° C。

To maintain low temperature error, it is recommended to operate the KTY Sensor with a continuous current of Isen(cont) = 1mA when the temperature exceeds 100°C. This ensures accurate temperature measurement and enhances the performance of the KTY81-210 in high-temperature applications.

The KTY81 Temperature Sensor is specifically designed for environments where precision is critical. For optimal results, keep the current constant at higher temperatures. This advice ensures the KTY Sensor 's reliability and accuracy across a wide range of operating conditions.

Handling and Usage

ESD Sensitivity: The KTY Sensor is sensitive to electrostatic discharge (ESD), so care should be taken during handling and installation to avoid damage.

KTY Sensor Naming Convention

The naming convention of the KTY81-210 Temperature Sensor follows a standard format:

1.Series: The KTY Sensor Series is designed for precise temperature sensing;
2.Type：81-KTY81 ,82-KTY82, 83-KTY83 ,84-KTY84;
3.Resistance R25：2-2KΩ；
4.Tolerance：1-±1% ,2-±2% ,3-±3%, 5-±5%;
5.Tolerance limit: 0-±Tolerance, 1- -Tolerance, 2-+Tolerance.

The KTY81-210 Temperature Sensor offers high precision and reliability, ensuring consistent performance in various conditions. The KTY81 Temperature Sensor  is ideal for applications where accurate temperature measurement is critical.

Mechanical Properties

• 1.Pull Test: No cracking, deformation, or damage at the connection between the component wire and electrical wire. Apply 9.8N (1KGF) on KTY temperature sensor for 1 minute.
• 2.Drop Test: No visible damage. Drop the KTY Sensor  from a height of 1 meter onto a 10mm thick oak board, 5 times.
• Reliability Test

• High-Temperature Test: ΔR/R25 ≤ ±0.2%. Conducted KTY temperature sensor at 120±5°C with continuous power for 1000±24 hours, using DC 0.2mA, based on IEC60068-2-2/GB2423.2 standards.
• Low-Temperature Test: ΔR/R25 ≤ ±0.2%. Performed at -30±5°C with continuous power for 1000±24 hours, using DC 0.2mA, according to IEC60068-2-1/GB2423.1 standards.
• Humidity Test: ΔR/R25 ≤ ±0.2%. Tested KTY temperature sensor in an environment of 60±2°C and 90%-95% RH for 1000±24 hours, based on IEC60068-2-3/GB2423.3 standards.
• Temperature Cold and Hot Cycle Test: ΔR/R25 ≤ ±0.2%. Conducted with temperature cycling –30℃×30min→30℃×5min→100℃×30min→30℃×5min, repeating 5 times, according to IEC60068-2-14/GB2423.22 standards.
• Resistance Drift Test at Room Temperature: ΔR/R25 ≤ ±0.2%. Stored KTY Sensor at 25±2°C for 10000±48 hours, following IEC60068-2-2/GB2423.21 standards.
• These tests ensure the KTY81-210 delivers consistent performance across extreme conditions, demonstrating its durability and reliability. The KTY81-210 Temperature Sensor is suitable for applications requiring high accuracy in temperature sensing, and its mechanical integrity ensures long-term usage without performance degradation.

KTY81-210 User Feedback and Summary

KTY81-210 User Reviews

Users of the KTY81 Temperature Sensor highlight its high accuracy, durability, and ease of integration into various systems. The KTY temperature sensor’s wide operating temperature range makes it especially suitable for applications that require long-term reliability under challenging conditions.

KTY81-210 Temperature Sensor Summary

In conclusion, the KTY81-210 is a highly reliable and accurate component, designed for precise temperature monitoring in a wide range of applications. Its robust design, long-term stability, and environmentally friendly features make it an excellent choice for both industrial and consumer applications.

For more detailed specifications and technical data, you can refer to the product datasheet available from DXM at the bottom of this page.