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Robust Temperature Sensors for HVAC

Setra’s STC Series (STC1 & STC2) Temperature Sensors offer precision, durability, and flexibility for demanding HVAC, water, and air duct environments. Choose from multiple outputs, sensing elements, and mount types for seamless integration into your building automation system. Whether you're measuring supply air, room temperature, or water loop temperatures, the STC series offers performance, reliability, and installation ease at a highly competitive price.

Temperature Sensors

IN-TEMP

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Description

Setra’s STC Series delivers highly accurate and rugged temperature sensing solutions designed for HVAC systems, chilled and hot water lines, and air ducts. The series supports wall, duct, and pipe-mounted configurations with industry-standard sensing elements like Pt1000, Pt100, and NTC.

With optional output types including 4–20 mA, 0–5 VDC, and 0–10 VDC, these sensors integrate effortlessly with modern building automation platforms. IP65 protection ensures reliable operation in humid and moisture-prone environments—backed by Setra’s 40+ years of precision sensing expertise.

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Features

  • Sensor types: Pt1000, Pt100 (Class A), NTC20K
  • Output options: Resistance, 4–20 mA, 0–5 VDC, 0–10 VDC
  • Wide range: Up to -40°C to 200°C sensing range

Benefits

  • Reliable Performance 
  • Seamless Integration
  • Cost-effective
  • Compliant & Certified 
  • Flexible Configurations

Application

  • Air Supply, Return, and Exhaust Duct Monitoring
  • Room Temperature Sensing in Commercial Buildings
  • Chilled Water & Hot Water Loop Temperature Monitoring
  • Primary/Secondary Water in Heat Exchange Systems
  • Temperature Tracking in Energy & Heat Metering
  • Cold Storage and Refrigeration System Monitoring

Frequently Asked Questions

What sensing elements are available in the STC series?

STC supports multiple sensing types including NTC20K, Pt1000, and Pt100 (Class A). Choose based on your required accuracy and integration method.

Is the sensor suitable for high-moisture environments?

Yes, the IP65-rated enclosure and fully sealed housing protect the sensor from condensation and moisture damage.

Can the STC be used for both air and water applications?

Absolutely. STC models are available for wall, duct, and pipe mounting—ideal for air and water temperature sensing in HVAC systems.