Didactum Combo Sensor Temperature and Humidity (CAN)

The precise monitoring of temperature and humidity is one of the most important tasks in data center operations, server rooms, as well as in industry, archives, and museums. Even minor fluctuations in these two climate parameters can endanger sensitive technology or delicate materials. The Didactum Combo Sensor Temperature and Humidity (CAN) provides a reliable solution that records both values in real time, including dew point calculation to actively prevent condensation.

Functionality

The combo sensor measures the current temperature and relative humidity and automatically calculates the dew point. This allows administrators and operators not only to detect acute situations such as overheating or excessive humidity but also to proactively prevent condensation damage. Each value is displayed individually in the monitoring system and can be assigned with individual threshold values.

Technical Features and Benefits

• Real-time measurement of temperature and relative humidity
• Integrated dew point calculation for precise climate control
• Seamless integration into the Didactum IT Monitoring System
• Support of SNMP v1/v2c/v3 for all common monitoring tools (Nagios, PRTG, Zabbix, etc.)
• CAN-Bus interface for robust, interference-free signal transmission
• Daisy chain support: up to 32 sensors per line
• Distance: cable length up to 225 m possible

Integration and Monitoring

The sensor is connected to the Didactum base unit via the CAN interface. Thanks to the AutoSense function, the system automatically detects the sensor and fully integrates it into the central monitoring platform. Via the web interface, administrators can define separate threshold values for temperature, humidity, and dew point. When exceeded, notifications or actions are triggered immediately, e.g. a relay to activate additional air conditioning devices.

Alarm and Notification System

• E-mail alerts for critical values
• SMS notifications via GSM modem or gateway
• SNMP traps for integration into network management systems
• Logging and long-term analysis via SNMP-MIB integration

Typical Applications

• Data centers & server rooms: reliable climate monitoring against outages and overheating
• Building technology & HVAC systems: central control of heating, ventilation, and air conditioning
• Warehousing & logistics: protection of sensitive goods and materials through precise climate control
• Museums & archives: preservation of cultural assets by monitoring humidity and temperature
• Pharma & cold chains: compliance with regulatory requirements in storage and refrigeration rooms
• Industrial processes: climate control for precise manufacturing conditions

Scalability and Infrastructure Benefits

Particularly in larger installations such as data centers or industrial production plants, the advantages of the CAN-Bus come into play: Up to 32 sensors can be networked in a daisy chain and deliver their values via a single interface to the Didactum monitoring base unit. This saves cabling, reduces costs, and greatly simplifies administration. With distances of up to 225 meters, even large-scale areas can be monitored efficiently.

Economic Benefits

The Didactum Combo Sensor Temperature and Humidity CAN quickly pays for itself through the following advantages:

• Early detection of risks such as overheating or condensation
• Extended service life of sensitive technology or stored materials
• Reduction of energy and maintenance costs through optimized climate control
• Easy integration without special hardware thanks to SNMP v3

FAQ – Frequently Asked Questions

How many sensors can be operated on a CAN bus?
Up to 32 sensors per daisy chain.

How far can the sensors be installed from the base unit?
The maximum distance is 225 meters.

Is the dew point calculated automatically?
Yes, the combo sensor calculates the dew point in real time based on temperature and humidity values.

Which protocols does the sensor support?
SNMP v1/v2c/v3 for integration into common monitoring tools.

What are the typical use cases?
For IT and data center environments, archives, HVAC systems, cold chains, and industrial production facilities.

The Didactum Combo Sensor Temperature and Humidity (CAN) is an indispensable part of modern monitoring solutions. With precise measurement of temperature, humidity, and dew point, robust CAN-Bus connectivity, SNMP integration, and flexible scalability, it is suitable for data centers, warehouses, museums, industrial plants, and all environments where climate monitoring is critical. Its scalability and simplicity make it a future-proof investment in operational security.