Volume IV - 13.6 Relative Humidity

Orientation and Training Food and Drug Administration	DOCUMENT NO.: IV-13	VERSION NO.: 1.3
Section 13 - Engineering	EFFECTIVE DATE: 10-01-03	REVISED: 02-14-13

A.  Objective

To provide the trainee with a review of the fundamentals of relative humidity and the measurement of relative humidity.

B.  Assignment

The trainer will present a fundamental review of relative humidity and instrumentation (and instrument calibration techniques) used to measure relative humidity, including:

• sling psychrometers,
• hygrometers,
• electronic humidity and temperature sensors and instruments, and
• environmental chambers.

The trainee will be assigned calculations and exercises to provide practical experience in the measurement of relative humidity.