The sensor is designed for measuring temperature on hot water pipes or solar collectors. It uses an NTC 20k temperature sensor, ensuring high accuracy and reliability in measurements. It is suitable for applications requiring dust and water resistance, with an IP65 rating.

Features

• NTC 20k temperature sensor
• Wide temperature measurement range
• High accuracy: ±0.2 K at 25 °C
• Fast response: time constant < 30 s
• Durability: IP65 rating

Specifications

• Nominal value: 20 kΩ at 25 °C
• Sensitivity: approximately -934.5 Ω/K at 25 °C (non-linear)
• Operating temperature: -30 … +110 °C
• Storage temperature: -30 … +70 °C
• Maximum casing temperature: 120 °C

Installation and Connection

• Maximum cable length: 200 m
• Wire resistance compensation at 10 m: 0.06 °C (1.5 mm²)
• Use shielded cabling in areas with high EMI
• Maintain a minimum distance of 15 cm between sensor wires and 230 Vac power wires

The SF20-B65 sensor provides precise temperature measurements and is suitable for various applications due to its robust construction and high protection class. Ideal for systems requiring reliability and durability in demanding conditions.