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Between 45% and 55% RH, static builds up at reduced levels, while humidity above 55% RH ensures that static will never build up. [11] The American Society of Heating, Refrigerating and Air Conditioning Engineers has traditionally recommended a range of 45–55% RH in data centers to prevent sparks that can damage IT equipment. [12]
Much has been made about the dangerous pandemic pathogens flying around the air outside of our personal bubbles this year, but in the cold months ahead, the safety of indoor locations may be a ...
Mold growth can be inhibited by keeping surfaces at conditions that are further from condensation, with relative humidity levels below 75%. This usually translates to a relative humidity of indoor air below 60%, in agreement with the guidelines for thermal comfort that recommend a relative humidity between 40 and 60 %.
The recommended level of indoor humidity is in the range of 30–60% in air conditioned buildings, [34] [35] but new standards such as the adaptive model allow lower and higher humidity, depending on the other factors involved in thermal comfort. Recently, the effects of low relative humidity and high air velocity were tested on humans after ...
When measuring environmental data from the Building Automation System, sensor placement must align with the recommended criteria for physical measurements. Temperature sensors should achieve an accuracy of ±0.5°C (±1°F) and humidity sensors ±5% relative humidity. The trending capabilities require data to be recorded at intervals of no more ...
Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. [2] Humidity indicates the likelihood for precipitation, dew, or fog to be present. Humidity depends on the temperature and pressure of the system of interest.