The HW group HTemp-1Wire Rack 19 is a specially designed dual sensor for reliable monitoring of temperature and humidity in standardized 19-inch racks. In professional IT environments such as server rooms and data centers, climate control plays a crucial role in ensuring the operational safety of sensitive hardware. The Rack 19 sensor not only provides highly accurate data but also integrates seamlessly into existing monitoring infrastructures thanks to its 1-Wire RJ11 interface and compatibility with Poseidon, Ares, and HWg-STE2 systems.

Designed to meet exact 19-inch rack standards, it can be installed in a single rack unit (1U) at either the front or rear of the rack. This flexibility allows optimal placement near critical components such as servers, switches, or storage units. The daisy-chain capability via two RJ11 ports also simplifies the expansion of measurement networks within complex IT installations.

The HTemp-1Wire Rack 19 covers temperature ranges from –10 °C to +80 °C, making it suitable for both cool and warm IT environments. At the same time, it measures relative humidity from 0 to 100 % RH, providing comprehensive climate data. Such precise monitoring is essential for preventing risks such as condensation or electrostatic discharges caused by excessively dry air.

Thanks to automatic sensor ID detection, integration into HW group monitoring devices is quick and straightforward. Once connected, the sensor is immediately recognized and begins transmitting real-time data. Combined with professional monitoring software, administrators can analyze temperature and humidity trends, set thresholds, and trigger automatic alerts in case of deviations.

Technical Specifications of the HW group HTemp-1Wire Rack 19

• Temperature range: –10 °C to +80 °C
• Humidity range: 0–100 % RH
• 1-Wire RJ11 interface for easy system integration
• Dual RJ11 ports for daisy-chain connections
• Rack-compatible design (1U), front or rear mounting
• Wall-mountable, includes 3 m RJ11 cable
• Automatic sensor ID detection for HW group devices
• Compatible with Poseidon2, Ares, and HWg-STE2 monitoring systems

Advantages of the HTemp-1Wire Rack 19 Sensor

The strength of this sensor lies in its specialization for IT racks. While conventional room climate sensors are more general-purpose, the Rack 19 dual sensor was developed specifically to meet the precise demands of data center environments. This means optimal compatibility with IT infrastructure, accurate in-rack climate data, and flexible scalability for installations of any size.

• Precise spot measurement of temperature and humidity inside the rack
• Rack-specific design optimized for IT installations
• Daisy-chain function for multiple measurement points in the same rack
• Fast integration into HW group monitoring solutions
• Increased operational safety for servers, switches, and storage units

Typical Applications

• Server room monitoring with direct in-rack measurement
• Data center monitoring of complex IT structures
• Network cabinets and telecommunications rooms
• Museums, archives, and laboratory environments with precise climate requirements
• Integration into smart building and facility management solutions

Integration into Monitoring Platforms

Compatibility with Poseidon2, HWg-STE2, and Ares systems opens extensive possibilities for monitoring integration. The HTemp-1Wire Rack 19 can be part of a local or cloud-based setup, with data also available centrally via SensDesk.cloud. Administrators can use this climate data to identify trends and take proactive measures.

Combined with alarm functions via email, SMS, or SNMP traps, the sensor serves as an effective tool for preventive maintenance. When critical thresholds are reached, automatic control actions such as fan activation or air conditioning adjustments can be triggered.

Reliability and Service Life

The robust housing and high-quality sensor components ensure long-term durability without significant aging effects. In professional environments where continuous climate control is essential, the Rack 19 provides a cost-effective and reliable solution. Over time, it protects hardware, prevents downtime, and maintains consistent in-rack environmental conditions.

The HW group HTemp-1Wire Rack 19 is the tailored solution for precise temperature and humidity measurement directly within IT racks. With its 19-inch design, easy daisy-chain expansion, and seamless integration into HW group systems, it provides all the necessary features for professional climate control in data centers, server rooms, and other sensitive IT installations. For those looking to enhance operational safety and hardware longevity, this dual sensor is an indispensable component of modern monitoring infrastructure.