X-300 Advanced Temperature


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The X-300™ is two very different products in one package.

Firstly, the X-300™ is a powerful web-based temperature logging instrument that allows you to monitor and control temperatures via an IP network. Up to 8 temperature sensors can be connected at a time, and temperatures can be viewed in real-time using a web browser. In addition, the X-300™ has many advanced features including email alerts, relay control, a BASIC interpreter, and much more.

Secondly, the X-300™ is a 7-day programmable web-enabled thermostat. Users can adjust and set temperatures for heating and cooling systems and view current indoor and outdoor temperatures from any web browser. As a web-enabled thermostat, it provides an attractive control web page that works great on desktop computers as well as tablets and smartphones.

X-300™ WITH 12V DC Power Supply and one Sensor:
Part # Relay Outputs Contact Rating Temperature Sensors Power Supply
X-300-I+PS12-A 3 (SPDT) 3A @ 28V max 1-8 (includes 1) 9-28V DC
(12V Power Supply included)
X-300™ and one Sensor (NO POWER SUPPLY):
Part # Relay Outputs Contact Rating Temperature Sensors Power Supply
X-300-I 3 (SPDT) 3A @ 28V max 1-8 (includes 1) 9-28V DC
X-300™ POE (Power Over Ethernet, Connect to 802.3af compliant network) and one Sensor:
Part # Relay Outputs Contact Rating Temperature Sensors Power Supply
X-300-E 3 (SPDT) 3A @ 28V max 1-8 (includes 1) POE or 5V DC


  • Web-browser based – no software required
  • Email alerts
  • Three, 5-Amp relays
  • Field updatable
  • Built-In real-time clock w/ capacitor backup
  • Temperature Logger
  • Supports HTTP, TCP, SNMP, Modbus/TCP
  • Supports additional data logging and management from web services
  • Internal temperature and voltage monitoring for diagnostics
  • Wide operating temperature range
  • Removable terminal connector for convenient wiring
  • Compact, DIN-Rail mountable enclosure

Web-Enabled Temperature Logger:

  • The temperature logger can receive data from up to 8 sensors (Temperature and/or Humidity)
  • Supports BASIC scripts for advanced configuration

Web-Enabled Thermostat:

  • Attractive thermostat user interface
  • Connect up to 3 sensors
    (Indoor, Outdoor, and Humidity)
  • 7 day programming schedule
  • Connect to single stage heating/cooling system
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