The HW group Temp‑1Wire Pt100 is a high‑precision temperature sensor designed specifically for ultra‑cold measurement applications. With a measuring range from –50 °C to +200 °C, it is ideal for reliable temperature monitoring in sectors such as food processing, pharmaceuticals, warehousing, medical technology, research laboratories, and agriculture. Its robust IP67‑rated housing makes it both dustproof and waterproof, ensuring dependable operation in indoor and outdoor environments.

At the core of the sensor is a premium Pt100 high‑accuracy probe, known for its long‑term stability and exceptional precision. An optional 8‑point calibration via the HW group Calibrator further enhances accuracy, ensuring full compliance with the most stringent audit and certification requirements.

Featuring a direct RJ11 connection, the Temp‑1Wire Pt100 integrates seamlessly with all HW group 1‑Wire devices such as Poseidon, STE2 R2, or Ares. Both data transmission and power supply are provided through a single cable, minimizing installation effort and reducing operating costs.

Technical Specifications of the HW group Temp‑1Wire Pt100

• Measurement range: –50 °C to +200 °C
• Pt100 high‑precision probe with optional 8‑point calibration
• Protection rating: IP67 (dust‑ and waterproof, temporary immersion resistant)
• RJ11 connector for easy integration with HW group 1‑Wire devices
• 3 m cable for flexible installation
• Power supplied directly via RJ11 port

Advantages of the HW group Temp‑1Wire Pt100

• Highly precise ultra‑cold temperature monitoring for critical applications
• Suitable for freezers, cold storage facilities, and scientific laboratories
• Meets regulatory standards in the pharmaceutical and food industries
• Durable IP67‑rated design for harsh environments
• Flexible integration into HW group monitoring and IoT systems
• Audit‑compliant temperature data via optional calibration

Typical Applications

• Food industry – monitoring of refrigeration and deep‑freeze systems to ensure cold‑chain integrity
• Pharmaceutical monitoring – compliance with regulations for storage and laboratory environments
• Warehouse monitoring – temperature control in storage halls, cold rooms, and logistics operations
• Scientific research and medicine – precise temperature measurement for samples and sensitive materials
• Data center monitoring – supplementary temperature data for stable IT conditions
• Agriculture – climate control during storage of agricultural products

Integration with HW group Systems

Thanks to its RJ11 interface, the Temp‑1Wire Pt100 connects directly to HW group monitoring devices. Combined with SensDesk.com, the HW group IoT platform, the sensor enables online visualization, reporting, and long‑term data archiving. These features are especially valuable for audits, certifications, and quality management. Additionally, alarm functions (email, SMS, SNMP‑trap) can be configured for real‑time notifications in case of temperature deviations.

The HW group Temp‑1Wire Pt100 is a reliable, precise, and durable solution for demanding temperature monitoring applications. It combines accuracy, resilience, and simple integration in a compact design — making it a versatile tool for everything from cold‑chain monitoring to scientific research. Its ultra‑cold measurement capabilities and IP67 protection make it particularly suited for environments where there can be no compromise on reliability or data integrity.