A-A-50733 1987 Edition, November 27, 1987
Includes all amendments and changes through Cancellation Notice 1, June 30, 1997
Additional Comments: CNCL NO S/S
This document covers the basic requirements for a portable hygrothermograph that can simultaneously measure and record temperature and humidity variations in the air. The instrument shall be complete and easy to operate when used in accordance with its intended application.