The HW group Temp HomeBox is a compact and versatile indoor temperature sensor designed for precise monitoring in professional environments. Measuring only 40 × 40 mm, it blends discreetly into any setting — whether mounted on walls, ceilings, or work desks. Featuring a durable plastic housing and plug‑and‑play functionality, the sensor offers easy handling, high measurement accuracy, and dependable integration into professional monitoring systems.

With a temperature measurement range from –30 °C to +70 °C and a fine resolution of 0.1 °C, the Temp HomeBox delivers precise readings for IT infrastructures, offices, schools, laboratories, and industrial applications. Powered directly via its RJ11 connector, it requires no separate power supply — making installation quick and maintenance effortless. Using the proven 1‑Wire interface, the HomeBox is fully compatible with all major HW group devices such as Poseidon2, Ares, HWg‑STE2 R2, and NB‑2x1Wire.

Compatibility and Integration

The Temp HomeBox can be integrated into an existing HW group monitoring system within seconds. Measurement data is transmitted digitally via the 1‑Wire sensor bus and can be read, visualized, and analyzed in real time. With a maximum cable length of up to 60 meters, installation options are flexible — from server racks to distant building locations. Combined with the SensDesk.com IoT portal, centralized temperature monitoring across multiple sites becomes possible, including configurable alarm notifications via email or SMS when thresholds are exceeded.

Technical Specifications of the HW group Temp HomeBox

• Measurement range: –30 °C to +70 °C
• Resolution: 0.1 °C
• Power supply via RJ11 (5 V) – no external power adapter required
• 1‑Wire communication for HW group devices: Poseidon2, Ares, STE2 R2, NB‑2x1Wire
• Cable length: 3 m (extendable up to 60 m)
• Compact plastic housing: 40 × 40 mm

Advantages of the HW group Temp HomeBox

• Compact design – ideal for discreet installation in offices, server rooms, and laboratories
• Precise temperature measurement with 0.1 °C resolution
• Simple plug‑and‑play operation with no additional power requirements
• Seamless integration into HW group monitoring devices
• Flexible use in IT, building automation, and research
• Long‑term stability and maintenance‑free continuous operation

Typical Applications

• Server room temperature monitoring – protecting sensitive hardware from overheating
• Data center monitoring – integration into HW group systems for climate stability
• Building management – indoor climate monitoring in offices, schools, or administrative buildings
• Pharmaceutical and logistics – temperature control in storage and cold environments
• Research and laboratories – precise temperature data for measurement and test setups

Integration with HW group Monitoring Systems

Through its RJ11 interface, the Temp HomeBox is ready for use immediately. The sensor transmits data via the 1‑Wire protocol to devices such as Poseidon2, Ares, or HWg‑STE2 R2. All values are continuously logged and displayed in the web interface of the connected HW group device. Via network access, users can generate temperature reports or configure alerts sent via email, SMS, or SNMP traps.

With SensDesk.com, temperature monitoring becomes cloud‑based and location‑independent. Users can store historical temperature data, analyze it graphically, and export it as formal reports. This is especially useful for audit or compliance requirements in pharmaceutical or logistics applications.

Practical Example

In a data center, multiple Temp HomeBox units are installed in different server rooms to continuously record the ambient temperature. The data is transmitted to a Poseidon2 device, which analyzes temperature trends and, upon threshold exceedance, automatically sends SMS alerts to the administrator. This ensures potential overheating issues are detected early and downtime is avoided.

The HW group Temp HomeBox is the ideal solution for precise and straightforward temperature monitoring in IT and building technology. Compact, robust, and easy to integrate, it delivers reliable temperature data for professional applications in real time. Its plug‑and‑play functionality, extended cable options, and compatibility with leading HW group systems make it a versatile and cost‑effective tool for consistent, long‑term temperature monitoring across various industries.