HW group STE-POE

Ethernet Thermometer

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Key Features
  • Web based Temperature and Humidity Monitor
  • Email alerts
  • A Large range of sensors
  • Comes with a standard 3m temperature sensor -10°C
  • Temperature monitoring, E-mail alert to overheatin
  • Windows software and temperature probe included
  • Simple installation, supports DHCP

IP network thermometer with a built-in web interface. Sends e-mail alerts if the temperature exceeds a specified limit. Using SNMP, the HWg-STE can be connected to a NMS (Network Management System).

Low cost web based PoE temperature and humidity monitoring solution. User friendly web page for simple and straightforward setup. This device is great for many applications from server room monitoring to simple home monitoring applications. Also an option to purchase a flat sensor cable which is suitable of monitoring fridge freezers.

The HWg-STE PoE web thermometer is configured using a built-in web server. If the temperature (humidity) exceeds a specified threshold, an e-mail alert is sent. Free windows software HWg-PDMS for graphical overview and MS Excel export included.The HWg-STE IP Thermometer is fully SNMP compatible.

How many sensors can I use with this part?

This unit can use up to two sensors. They can be either Temperature or humidity. We include a temperature sensor with 3m cable with shipment.


This unit comes with a standard software that allows you to configure the unit and view details and receive email alerts. However if you require a more advanced solution that allows you to not only configure this unit, but also get graphs, automatic storing of your data on your server and the ability to view many units on one display, please choose the PDMS software from our Software and Download tab. The PDMS is free for up to 3 sesnors, thereafter we have chargeable versions depending on the number of sensors used.

Do I need a Power Supply?

The STE-PoE is designed to take power from the ethernet cable in your network, assuming your network already has a PoE switch installed. We do not ship a power supply with this part. If you require a power supply please choose one from the Accessories tab.

How it works

This product needs to be connected to an Ethernet port in your building. Power the unit up, connect to an Ethernet port, make sure the sensor(s), if external, are connected and use our free software to locate the device on your web browser. The instruction set shows you how to do this.

Once located, you can use the web browser software to configure this unit with desired sensor values, name sensors and email address that needs to see the alarm.



  • HWg-STE includes a built-in Web server, the unit is fully functional without the need for any additional software
  • Simple installation (supports DHCP and sensor auto-detection)
  • Connects to NMS (SNMP MIB)
  • 0.1°C resolution, display in °C or °F
  • Sends e-mail if the temperature is too high / too low
  • Security protected with a password
  • Supports SNMP and XML interfaces
  • Supplied with one temperature probe
  • Temperature range of the supplied probe: -10°C to 80°C (+14°F to +176°F)
  • (also available: Outdoor version, -30°C to 125°C / -22°F to +257°F)
  • Besides the supplied probe, a second temperature or humidity probe can be connected
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