Fisher 249W Instruction Manuals

Errata Sheet
January 2006
Caged 249 Series Displacer Sensors
Type 249W Cageless Wafer Style Level Sensor
This errata sheet provides updated information
(refer to table 1) on displacer and torque tube
materials and information regarding simulation of
process conditions for calibration of Level-Trol
controllers and transmitters.
Table 1. Displacer and Torque Tube Materials
Part Standard Material
Displacer 304 Stainless Steel
Displacer Stem,
Driver Bearing,
316 Stainless Steel
Displacer Rod and
Driver
Torque Tube N05500
1. N05500 is not recommended for spring applications above
232_C (450_F). Contact your Emerson Process Managementt
sales office or application engineer if temperatures exceeding this
limit are required.
The following Instruction Manuals
Instruction Manual Title
Other Materials
316 Stainless Steel,
N10276, N04400,
Plastic, and Special
Alloys
N10276, N04400,
other Austenitic
Stainless Steels, and
Special Alloys
316 Stainless Steel,
(1)
N06600, N10276
Errata Sheet
for
Simulation of Process Conditions for Calibration
of Level-Trol
R
Contact your Emerson Process Management sales
office for information on obtaining the Supplement to
249 Series Sensors Instruction Manual: Simulation of
Process Conditions for Calibration of Level-Trols -
Form 5767 (part number D103066X012).
Neither Emerson
Management, Fisher
affiliated entities assumes
responsibility for the selection, use,
and maintenance of any product.
Responsibility for the selection, use,
and maintenance of any product
remains with the purchaser and
end-user.
2500-249 Series
Form Number
1802
5729
R Controllers and Transmitters
Note
R , Emerson Process
R , nor any of their
Date
May 2003
March 2005