The HW group Humid‑1Wire is a specialized humidity sensor designed for precise monitoring of relative humidity in sensitive indoor environments. Unlike combination sensors, the Humid‑1Wire focuses exclusively on humidity measurement, ensuring the highest level of accuracy in data collection. It is ideally suited for server rooms, data centers, warehouses, museums, and technical facilities where consistent climate control is critical to preserving hardware, materials, and exhibits.

With a measurement range of 0–100 % relative humidity, the sensor covers the full spectrum of possible moisture levels. These precise measurements help prevent damage caused by condensation, overly dry air, or insufficient humidity, thereby significantly increasing the lifespan of devices and materials. Thanks to its compatibility with HW group monitoring solutions such as Poseidon2, Ares, and HWg‑STE2, the Humid‑1Wire integrates seamlessly into existing systems and delivers real‑time data directly to centralized monitoring software.

The sensor is available in three cable lengths (1 m, 3 m, and 10 m) for maximum installation flexibility. Whether used inside a server rack, on a wall in a storage area, or in an archive room, the appropriate cable length ensures optimal placement. The daisy‑chain feature via T‑Boxes allows multiple sensors to be linked together, ensuring efficient coverage of all critical areas in large IT environments and data centers.

Thanks to its robust construction and IP23 protection rating, the Humid‑1Wire is well protected against dust and light water exposure, making it suitable for demanding technical indoor environments. Automatic sensor ID detection by HW group devices simplifies commissioning: once connected, the sensor is immediately recognized and ready for use without manual configuration. Thresholds can be defined through the monitoring interface, and alarms can be triggered via email, SMS, or SNMP if limits are exceeded.

Technical Specifications

• Measurement range: 0–100 % relative humidity
• Specialization: dedicated humidity measurement, no temperature sensing
• Available cable lengths: 1 m, 3 m, or 10 m RJ11 cable
• Communication: 1‑Wire interface (MicroLan)
• Daisy‑chain capable via T‑Box units
• Automatic detection through unique sensor ID
• Robust plastic housing with IP23 protection
• Compatible with Poseidon2, Ares, HWg‑STE, and STE2 monitoring devices

Advantages of the HW group Humid‑1Wire Sensor

The Humid‑1Wire offers users numerous advantages that make it a top choice for humidity monitoring. It is easy to install, delivers precise measurements, and integrates flexibly into a wide range of HW group monitoring infrastructures.

• High‑precision real‑time humidity measurement
• Flexible cable design for optimal sensor placement
• Easy integration into all HW group devices
• Daisy‑chain functionality for extensive sensor networks
• Prevention of humidity‑ and dryness‑related damage

Typical Applications

• Server room monitoring with dedicated humidity detection
• Data center climate monitoring
• Warehouses and archives for protecting sensitive goods
• Smart building and facility management systems
• Museums and laboratories with strict climate requirements
• Medical facilities ensuring optimal humidity conditions

Integration with HW group Monitoring Platforms

The Humid‑1Wire’s compatibility with core HW group devices such as Poseidon2 and HWg‑STE2 ensures effortless integration. Sensor data is transmitted digitally via the 1‑Wire interface and can be analyzed locally or through cloud platforms such as SensDesk.cloud. In combination with Ares LTE monitoring units, mobile data acquisition beyond fixed networks is also possible.

Its daisy‑chain capability allows multiple Humid‑1Wire sensors to be connected in series without the need for separate cable runs. This saves time, reduces costs, and simplifies scaling of monitoring solutions in large buildings or IT facilities.

Reliability and Protection

With its IP23 protection rating and durable construction, the Humid‑1Wire is built for long‑term reliability. It operates continuously with minimal maintenance requirements. Even the smallest humidity changes are detected accurately, allowing preventive measures to be implemented at an early stage.

The HW group Humid‑1Wire is the ideal solution for professional humidity monitoring in sensitive indoor environments. Its focus on precise humidity detection, combined with flexible installation options and full integration into HW group systems, makes it the perfect tool for IT infrastructures, industrial sites, archives, and smart building applications. With this sensor, climate data can be measured precisely and managed reliably — ensuring maximum protection and environmental stability.