Emerson 644 manual Rosemount Temperature Transmitters

Reference Manual

00809-0400-4728, Rev AA June 2011

Rosemount 644

Rosemount 644

Temperature Transmitters

Rosemount 644 Hardware Revision	9
FOUNDATION™ Fieldbus Device Revision	2
Device Descriptor Revision	1

NOTICE

Read this manual before working with the product. For personal and system safety, and for optimum product performance, make sure to thoroughly understand the contents before installing, using, or maintaining this product.

The United States has two toll-free assistance numbers and one international number.

Customer Central

1-800-999-9307 (7:00 a.m. to 7:00 p.m. CST)

National Response Center

1-800-654-7768 (24 hours a day) Equipment service needs

International

1-(952)-906-8888

The products described in this document are NOT designed for nuclear-qualified applications.

Using non-nuclear qualified products in applications that require nuclear-qualified hardware or products may cause inaccurate readings.

For information on Rosemount nuclear-qualified products, contact a Emerson Process Management Sales Representative.

www.rosemount.com