Fisher Manuals & Guides: INMETRO Hazardous Area Approvals for Fisher 646 Electro-Pneumatic Transducer Manuals & Guides

Instruction Manual Supplement

D103994X012

INMETRO Hazardous Area Approvals for

646 Transducer

May 2017

Fisher

This supplement provides INMETRO Hazardous Area Approval information for the 646 transducer electro-pneumatic
transducer. Use this in conjunction with information provided in the 646 instruction manual (D101351X012

INMETRO—National Institute of Metrology, Quality and Technology. INMETRO approval is accepted in Brazil.

Certain nameplates may carry more than one approval, and each approval may have unique installation/wiring
requirements and/or conditions of “safe use”. These special instructions for “safe use” are in addition to, and may
override, the standard installation procedures. Refer to the instruction manual for all other information regarding 646
transducers.

Note

This information supplements the nameplate markings affixed to the product.

Always refer to the nameplate itself to identify the appropriate certification.

™

646 Electro‐Pneumatic Transducer

).

WARNING

Failure to follow these conditions of “safe use” could result in personal injury or property damage from fire or explosion,
and area re‐classification.

Certificate Number: IEx 14.0240

Standards Used for Certification

ABNT NBR IEC 60079-0:2013
ABNT NBR IEC 60079-1:2009
ABNT NBR IEC 60079-11:2013
ABNT NBR IEC 60079-15:2012

Intrinsically Safe

Ex ia IIC T5/T4 Ga

Tamb = -40_C to: +40_C for T5 ; +71_C for T4

Nominal Characteristics:

30 Vmax, 4-20 mA
Ui = 30 V ; Ii = 150 mA ; Pi = 1 W ; Ci = 0 nF ; Li = 0 mH

www.Fisher.com

646 Transducer

May 2017

Flameproof

Ex d IIC T6 Gb

Tamb = -40_C to: +71_C for T6

Nominal Characteristics: 30 Vmax, 4-20 mA

Type n

Ex nA IIC T6 Gc

Tamb = -40_C to +71_C

Nominal Characteristics: 30 Vmax, 4-20 mA

Instruction Manual Supplement

D103994X012

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of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

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governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.

Emerson Automation Solutions

Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Cernay, 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore

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