Errata Sheet
for
The following Instruction Manuals
Instruction Manual Title
Form Number
Date
Caged 249 Series Displacer Sensors
1802
May 2003
Type 249W Cageless Wafer Style Level Sensor
5729
March 2005
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
R
controllers and transmitters.
Table 1.
Displacer and Torque Tube Materials
Part
Standard Material
Other Materials
Displacer
304 Stainless Steel
316 Stainless Steel,
N10276, N04400,
Plastic, and Special
Alloys
Displacer Stem,
Driver Bearing,
Displacer Rod and
Driver
316 Stainless Steel
N10276, N04400,
other Austenitic
Stainless Steels, and
Special Alloys
Torque Tube
N05500
(1)
316 Stainless Steel,
N06600, N10276
1. N05500 is not recommended for spring applications above
232
_
C (450
_
F). Contact your Emerson Process Management
t
sales office or application engineer if temperatures exceeding this
limit are required.
Simulation of Process Conditions for Calibration
of Level-Trol
R
Controllers and Transmitters
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).
Note
Neither Emerson
R
, Emerson Process
Management, Fisher
R
, nor any of their
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.
Errata Sheet
January 2006
2500-249 Series
