Reference Manual
00809-0100-4002, Rev BB
November 2012
Rosemount 1199
2-8
Brazed Design
This process uses a ring where the metals are brazed to attach the diaphragm
to the upper housing. This allows the gasket surface area to solidify as it is
melted to the upper housing.
This option is used with Tantalum diaphragm when a metallic gasket is
required.
DIFFERENCES
BETWEEN ELECTRONIC
REMOTE SENSORS AND
CAPILLARY SYSTEMS
Electronic Remote Sensor technology consists of two 3051S pressure
sensors that are connected by an electrical wire, and Differential Pressure is
calculated electronically. Seals are not required, but may still be necessary on
certain applications that include high temperature, corrosive, or viscous
processes. For more information, please refer to the 3051S Series Product
Data Sheet (document number 00813-0100-4801).
Figure 2-6. ERS vs. Capillary
INSTRUMENT TOOLKIT:
SEAL ORDERING AND
APPLICATION PROCESS
Instrument Toolkit is the user’s guide to ensure the selected system will
function properly for the specified application. Toolkit validates model
numbers selected by the user and eliminates specification errors. This
program analyzes each application and calculates the total system
performance. This includes expected head and seal temperature effects and
response times.
THERMAL OPTIMIZER:
PROPER USE AND
APPLICATIONS
The Thermal Optimizer keeps fill fluids from gelling in cold ambient
temperatures by using high process temperatures to heat the transmitter and
capillary.
High Temperature Silicone fill fluid has a low temperature limit in ambient
conditions below 32 °F (0 °C). The Thermal Optimizer allows direct mounting
down to -94 °F (-70 °C).
The Thermal Optimizer is designed for inline transmitters: Rosemount
3051S_T, Rosemount 3051T and Rosemount 2088. Standard
1
/
2
-in. (13 mm)
connection with flanged and threaded seal.
Upper Housing
Diaphragm
Material A
Tantalum
Non-proprietary
electrical cable
Oil-filled Capillary
system
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