Description
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Model Name: 1WR_Temp_Rack19-2p This updated sensor is designed for improved compatibility with HW Group Perseus devices. It fully supports older HW Group devices and replaces the previous model, part number 600329. |
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The Temp-1Wire Rack 19 is a compact and efficient digital temperature sensor that seamlessly integrates into rack-mounted IT environments. With a 1U form factor, it can be installed at the front or back of a 19″ rack or fixed to a wall. The RJ11 connectivity allows daisy-chaining of multiple sensors for expanded monitoring coverage.
This low-power, high-accuracy sensor is ideal for monitoring server rooms, data centres, and industrial IT applications, ensuring early detection of overheating and temperature fluctuations.
Key Features
- Temperature range: -10°C to +80°C
- Designed for IT environments, including 19″ rack cabinets
- Daisy-chain support – Two RJ11 connectors allow linking multiple sensors
- Compact 1U form factor – Can be mounted on the front or back of a rack
- Low power consumption (1mA at 5V)
- Compatible with Poseidon, Ares, and HWg-STE devices
Technical Specifications
Parameter |
Range |
Accuracy |
Resolution |
Technology |
|---|---|---|---|---|
| Temperature | -10°C to +80°C | ±0.8°C (-10°C to +80°C) | 0.1°C | Semiconductor |
| Extended Accuracy | -30°C to +125°C | ±2.0°C | 0.1°C | Semiconductor |
Power & Connectivity
- Power Supply: 5V (via RJ11, 1-Wire)
- Power Consumption: 1mA
- Connectivity: RJ11 (1-Wire interface)
- Daisy-Chaining: Yes (2x RJ11 ports)
- Cable Length: 3m included
Environmental & Installation Details
- Operating Temperature: -10°C to 80°C / 0%RH – 100%RH
- Storage Temperature: -30°C to 60°C / 5%RH – 95%RH
- Protection Rating: IP30
- Installation Options: Rack-mounted (1U), Wall-mounted, Table-mounted
- Dimensions: 44 × 84 × 19 mm / 27g
Applications & Use Cases
- Temperature monitoring in IT cabinets & server racks
- Data centre & server room temperature management
- Rack/cabinet monitoring over LAN and LTE
- Industrial automation & smart building monitoring
Installation & Use
- Mount the sensor in a 19″ rack (1U) or on a wall.
- Connect it to an HW group monitoring device via RJ11 (1-Wire).
- Daisy-chain additional sensors if needed using dual RJ11 ports.
- Monitor real-time temperature readings via Poseidon, Ares, or HWg-STE.
Why Choose the Temp-1Wire Rack 19?
The Temp-1Wire Rack 19 provides reliable, space-efficient, and easily expandable temperature monitoring for IT infrastructure and industrial applications. Its compact design, daisy-chaining capability, and seamless compatibility with 1-Wire systems make it a cost-effective and scalable solution for data centres and server rooms.













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