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Removing/Replacing Batteries

The coin cell SRAM backup battery preserves data in SRAM memory in the event of a power loss

and provides backup power to the real-time clock.

Refer to the table below for the correct field replacement part number.

Item

Coin cell lithium battery for SRAM backup

UL Kit File Number: E192567

Ambient Temperature Range

May be used up to a maximum ambient temperature of 80°C and a minimum ambient temperature

of –40°C; refer to the data plate attached to the device for ambient temperature.

Required Tools



Important

Use only accessories (batteries) supplied with the flow computer or sold by Emerson as spare parts

for this flow computer. Substituting a part you obtain elsewhere (such as a battery) voids your

approval certification.

DANGER

EXPLOSION HAZARD: Ensure the area in which you perform this operation is non-hazardous.

Performing this operation in a hazardous area could result in an explosion.

DANGER

EXPLOSION HAZARD: Never remove end cap(s) in a hazardous location. Removing end cap(s) in a

hazardous location could result in an explosion.

WARNING

EXPLOSION HAZARD - Do not disconnect equipment unless power has been removed or the area

is known to be non-hazardous.

WARNING

EXPLOSION HAZARD – Change batteries only in an area known to be non-hazardous.

FB1100/FB1200 Flow Computer Coin Cell Battery Field Replacement Guide

#1 Phillips-head screwdriver

Hexagonal torque wrenches with 3mm and #1 Phillips-head bits. Ranges must include 4 to 6

in-lbs (0.5 to 0.7 N-m), and 10 to 12 in-lbs (1.1 to 1.4 N-m).

D301854X012

November 2020

Field Replacement Kit

Part Number

395620-03-1