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Relative Humidity Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Формула

RH = (Partial Pressure of Water Vapor / Saturation Pressure) × 100

Пошаговое руководство

  1. 1Measure wet and dry bulb temperatures, look up from psychrometric chart
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Решённые примеры

Ввод
70°F dry bulb, 60°F wet bulb
Результат
RH ≈ 57% from psychrometric chart

Распространённые ошибки

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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