Справочник Пользователя для National Instruments RS422

Operating humidity........................... 10 to 90% RH, 

noncondensing 

Storage humidity............................... 5 to 95% RH, 

noncondensing 

Maximum altitude............................. 2,000 m

Pollution Degree (IEC 60664) .......... 2

NI is committed to designing and manufacturing products in an 
environmentally responsible manner. NI recognizes that 
eliminating certain hazardous substances from our products is 
beneficial to the environment and to NI customers.

For additional environmental information, refer to the NI and the 
Environment Web page at 

ni.com/environment

. This page 

contains the environmental regulations and directives with which 
NI complies, as well as other environmental information not 
included in this document.