Dostmann Professional Hygrometer with Data Logger

The highest static pressure that a product, such as a fan or cooling component, can generate or withstand, expressed in millimetres of water column height. This value indicates the maximum air‑pressure capability and helps users compare performance across similar devices.

The electrical power consumption or output of the product, expressed in watts (W). It indicates how much energy the device uses during operation or how much power it can deliver to connected equipment.

The minimum and maximum temperatures at which a product can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a numeric interval (e.g., "2°C to 8°C"), or an open‑ended value such as "-20°C to +10°C" indicating the acceptable operating window.