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X-405 Web-Enabled Temperature & Humidity Module
5 Year Warranty

The X-405 is a rock solid drop-in temperature and/or humidity monitoring solution.

A Simple Solution for Temperature and Humidity Monitoring

The X-405™ is a fully-featured, web-enabled temperature and humidity module that targets industrial applications.

Monitor and log up to 16 sensors.

No software required, no programming necessary, and no subscription to buy.

Important Features

Reliable Wired Solution

Simple. Reliable. Five-Year Warranty.


Custom Email/Text Alerts


Record Temperature/Humidity History


Monitor Temperature and Humidity from the Web

Applications - Industrial Internet of Things (IIoT)

The X-405 is perfect for thousands of temperature and humidity applications. Here are just a few examples:

Greenhouse Monitoring - Simple Temperature/Humidity Monitoring

The X-405 can monitor the temperature and humidity of the greenhouse, and can be configured to send email alerts if the temperature or humidity goes outside user-specified parameters.

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Greenhouse Monitoring - Large Distributed System

The X-405 can also be used with other ControlByWeb products for larger applications. Using the peer-to-peer communication, The X-405 can share temperature data with other controllers in other parts of the building.

The following illustration shows the X-405 communicating with the X-410. With both PoE enabled modules, you have complete control over greenhouse environment from anywhere in the world.

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Freezer Temperature Monitoring

Monitor freezer temperatures remotely from your computer or mobile device and receive custom high/low email alerts.

X-405 monitoring freezer temperatures View Featured Products Learn more about Freezer Monitoring

X-405 Basic Applications


Monitor Equipment

Using the X-405, you can monitor equipment and machinery in different areas, and be alerted if the temperature gets too high.

Outdoor Temperature Monitor

Outdoor Temperature Monitoring

The X-405 can be configured to send user-defined alerts based on temperatures recorded from the sensors connected directly to the module.

ControlByWeb Cloud

Our ControlByWeb Cloud makes accessing your data simple and secure without any of the drawbacks of cloud dependency. It provides access to our cellular devices and works with any 400 Series devices (X-400, X-405, X-410, etc.) and Wi-Fi modules (see compatible devices).

The cloud is included at no additional cost with a X-400C cellular data plan and provides remote access and enhances setup and commissioning.

With the cloud you can manage multiple locations and many devices with a single login, create parent-child account hierarchy that makes data organization easy, and log data in the cloud for easier access and easy download.

Here's what the ControlByWeb Cloud does for you:

  • Easier Access
  • Single Password Authentication
  • Data Logging
  • Parent-Child Hierarchy
  • Logic Stays on the Device, Not the Cloud
  • Connect Unlimited Endpoints
  • Layered Security
  • Connect Incompatible Devices

Learn more about the ControlByWeb Cloud and how it can help you monitor and control your assets and processes much easier.


  • 1-Wire Bus for up to 16 sensors (temperature, humidity, etc.)
  • Monitor,log, and control up to 32 remote modules, or up to 64 I/O
  • User Permissions: Admin, Manager, User
  • Tasks
    • 50 Scheduled
    • 50 Conditional
    • 20 Override Schedules
  • Send email alerts based on user-defined conditions (supports encrypted email servers, such as Gmail)
  • Real-Time Clock with NTP server synchronization
  • Automatic daylight savings and leap year adjustment
  • No software required
  • Customizable web-based Control Page
  • BASIC script support for advanced flexibility
  • Configurable logging
  • Graphing (logged data)
  • HTTPS/TLS encrypted
  • Static or DHCP IP address configuration
  • Modbus, SNMP, Remote Service, IP Filtering
  • Field updatable
  • Rugged DIN-Rail/wall-mountable enclosure
CE listed RoHS compliant Made in the USA

X-405 Part Numbers (Differences highlighted in green)

X-405-I Temp: Up to 16 sensors. Task builder, email daily log file, add 64 I/O on up to 32 Remote I/O Modules 9-28 VDC
X-405-E Temp: Up to 16 sensors. Task builder, email daily log file, add 64 I/O on up to 32 Remote I/O Modules POE and/or 9-28 VDC

More Information:


Where to Buy

Click "Buy Online" to view part numbers and pricing. X-405 is available in the USA and internationally, and can be purchased either from us or an Authorized Distributor.

Related Products

Temperature & Control


4 Inputs, 4 Relays, 1-Wire Bus: Up to 16 temp sensors

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Four 1-Wire Buses


Four independent 1-Wire buses, up to 64 temp/humidity sensors

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Expandable I/O


Expandable - Up to 64 I/O

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Warning: May contain chemicals, including Nickel (metallic), known to the State of California to cause cancer and reproductive harm. -



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