Expanded range of Pressure Sensors provides
choice of 2, 3 or 4 wire current/voltage outputs
for industrial measurement applications.
GE Druck announces a new expanded series of
Industrial Pressure sensors which combine their
precision silicon sensing element and modular
mechanical design with the latest advances in
ASIC technology and surface mounted electronics.
This provides a compact, high performance and competitively
priced measurement solution, readily configured for industrial
applications.
The PTX/PMP7500 series employs GE Druck piezo-resistive
silicon technology. Since 1972 this has been extensively
developed, qualified and proven: applications include aerospace
and subsea programmes which demand the highest levels of
performance and long term reliability.
Modular design features a standardised "core", selected and
finished according to customer requirements. The 7500 series
is now available with a choice of 2 wire /4-20mA "transmitter"
configuration (PTX7500), alternatively 3 or 4 wire voltage output
proportional to pressure span (PMP7500). Operating ranges
extend from 100mbar up to 700 bar gauge or absolute in user
preferred pressure units and intermediate span values can be
specified between these limits.
Five types of electrical connection are available including DIN
43650 waterproof plug/socket and integral 6 pin bayonet
connectors, IP65 or IP67 cable and M20 female conduit entry.
A G1/4 female pressure connection is supplied as standard
with a choice of screw-in male/male adaptors available including
G1/4B, 1/4 NPT and 7/16 UNF amongst others.
Typical accuracy is ±0.1% F.S. BSL for combined non-linearity,
hysteresis and repeatability and the operating temperature range
of -40° to 100°C is standard for connector versions.
(80° max for cable versions). The sensor is enclosed by an
electron beam welded stainless steel body and Hastelloy isolation
diaphragm. This rugged construction ensures compatibility with
a wide range of pressure media and the ability to withstand severe
operating conditions.
The 7500 series also offers excellent RFI immunity, meeting the
highest level of CE marking requirements for heavy industrial use.
ATEX Intrinsically Safe versions are also approved and available
for use with hazardous area barrier systems to Eex ia IIC T4
(-40 < Tamb < 80degC).
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GE Druck Ltd.
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April 2003
