How many temperature sensors does a data center need—and where should we install them?

Dear Valued AKCP Dealer,

Thank you for your questions on this. Please see below as we can explain how to plan data center temperature sensor coverage.

A temperature sensor measures conditions at its location. Nearby server racks, hot exhaust, cooling outlets, and open doors can create very different readings within a small area. Effective monitoring starts with understanding those differences.

In this video below, we explain:

• Why temperature sensors have no universal coverage area
• ASHRAE guidance on measuring server inlet temperatures at the top, middle, and bottom
• AKCP’s approach using three front and three rear temperature measurement points per monitored rack
• How rack Delta T—the difference between inlet and exhaust temperature—helps assess cooling alongside airflow and IT load
• Why sensor placement and density matter more than floor area alone
• How monitoring requirements differ between data centers, server rooms, and warehouses
• How AKCP Thermal Map Sensors, Quicklime DCIM, and sensorCFD help visualize temperature gradients and investigate hot spots

Whether you manage a server room, colocation facility, or enterprise data center, a well-planned sensor layout helps identify thermal risks and supports more efficient cooling.

Please also read the accompanying article here:

https://www.akcp.com/2026/08/04/how-m…

We hope this will help and if you have any further questions on this, please contact our support team (support@akcp.com) directly.

Best regards,

AKCP Support Team