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34-ST-03-57
Page 4
Figure 12 - Welded Meter Body for All-Welded
Remote Seal Solution. The welded ST 3000 meter
body is an important part of an All-Welded Remote
Seal Solution, which is commonly used in Vacuum
applications.
Figure 12
Description Features
The ST 3000 transmitter can replace any 4 to 20 mA output transmitter in
use today and operates over a standard two-wire system.
The measuring means is a piezoresistive sensor, which actually contains
three sensors in one. It contains a differential pressure sensor, a
temperature sensor, and a static pressure sensor.
Microprocessor-based electronics provide higher span-turndown ratio,
improved temperature and pressure compensation, and improved
accuracy.
The transmitter’s meter body and electronics housing resist shock,
vibration, corrosion, and moisture. The electronics housing contains a
compartment for the single-board electronics, which is isolated from an
integral junction box. The single-board electronics is replaceable and
interchangeable with any other ST 3000 Series 100 or Series 900 model
transmitter.
Like other Honeywell transmitters, the ST 3000 features two-way
communication and configuration capability between the operator and the
transmitter through several Honeywell field-rated portable configuration
devices, including the Smart Field Communicator (SFC) and the Multiple
Communication Configurator (MC ToolKit). While both are made for in-
field use, the MC Toolkit also can be ordered for use in intrinsically safe
environments.
The SCT 3000 Smartline
®
Configuration Toolkit provides an easy way to
configure instruments using a personal computer. The toolkit enables
configuration of devices before shipping or installation. The SCT 3000 can
operate in the offline mode to configure an unlimited number of devices.
The database can then be loaded down-line during commissioning.
• Choice of linear or square
root output conformity is a
simple configuration selection.
• Direct digital integration with
Experion PKS and other
control systems provides local
measurement accuracy to the
system level without adding
typical A/D and D/A converter
inaccuracies.
• Unique piezoresistive sensor
automatically compensates
input for temperature and
static pressure.Added “smart”
features include configuring
lower and upper range
values, simulating accurate
analog output, and selecting
preprogrammed engineering
units for display.
• Smart transmitter capabilities
with local or remote
interfacing means significant
manpower efficiency
improvements in
commissioning, start-up, and
ongoing maintenance
functions.