Elcometer 309 Delta T Hygrometer
Elcometer 309 Delta T Hygrometer Climate Monitoring System Inspection Equipment (Elcometer) Selangor, Malaysia, Kuala Lumpur (KL), Puchong Supplier, Suppliers, Supply, Supplies | Ezumax Enterprise

Before painting, the coater must meet the coatings’ parameters. These are clearly specified on the paint manufacturer’s product data sheet.

Relative Humidity (RH) and Delta T (TΔ) are the two climatic values which are specified on data sheets.

The Elcometer 309 Delta T Hygrometer provides a simple and fast measurement of these two critical characteristics.

  • Delta T (TΔ): The difference between the surface temperature (Ts) and the dewpoint temperature (Td). When TΔ is less than 3ºC (5ºF) painting should not occur.
  • Relative Humidity (RH): This is the amount of water vapour taken up by air. Expressed as a percentage, RH is dependent on the air temperature. Typical maximum RH values specified by paint manufacturers are between 75% and 85%.

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