Instruction Manual
D101351X012
646 Transducer
January 2015
4
CAUTION
Dropping or rough handling of the transducer can cause damage to the converter module resulting in a shifted output or a
minimum output.
WARNING
This product
does not
meet third party approvals (CSA, FM, ATEX, or IECEx) for use with natural gas as the supply medium.
Use of natural gas as the supply medium can damage the instrument and result in personal injury or property damage from
fire or explosion.
Should you need an instrument for use with natural gas, Fisher 846 and i2P‐100 electro‐pneumatic transducers both meet
third party approvals for use with natural gas as the supply medium. Contact your Emerson Process Management sales
office for information on these products.
Specifications
Specifications for the 646 transducer are listed in table 1.
Educational Services
For information on available courses for the 646 electro‐pneumatic transducer, as well as a variety of other products,
contact:
Emerson Process Management
Educational Services, Registration
Phone: +1-641‐754‐3771 or +1-800‐338‐8158
e‐mail: [email protected]
http://www.emersonprocess.com/education
Installation
WARNING
Always wear protective clothing, gloves, and eyewear when performing any installation operations to avoid personal
injury.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.