Emerson Rosemount 644h Manuel télécharger pdf (Page 54)

B-4

Rosemount Inc

Special Conditions for Safe Use (X):

The transmitter must be installed so that its external terminals and

communication pins are protected to at least IP20.

N7 Type n Approval,

Ex n IIC T6 (T

amb

= –40 to 60 °C)

Special Conditions for Safe Use (X):

The assembly must be installed such that its external terminals and

communication pins are protected to at least the requirements of IP54.

E7 Flameproof Approval (Model 644H only)

Ex d IIC T6 (T

amb

= 65 °C)

NOTE:

Flameproof certification is only available as a complete assembly with Rosemount

universal head – option codes J5 or J6.

Gostandart

Tested and approved by the Russian Metrological Institute GOSTANDART.

EUROPEAN ATEX DIRECTIVE INFORMATION.

Rosemount Model 644H and 644R Temperature Transmitters that have the

following labels attached have been certified to comply with Directive 94/9/EC of

the European Parliament and the Council as published in the Official Journal of

the European Communities No. L 100/1 on 19-April-1994.

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Emerson Rosemount 644h Manuel Page 54