High Temperature Pressure Sensor0 pages

Pressure
High Temperature Pressure Sensor
Type 4007B...
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5 and 20 bar Version for Temperatures up to 200 °C
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Rugged pressure sensor for the measurement of absolute pressures up to 20 bar and where close coupling of the sensor limits
the size available for mounting.
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Operating temperature range from –40 to 200 °C
Compact size (M5x0,5) and low mass
Low acceleration sensitivity and high natural frequency
Suitable for harsh enviroment
Low thermal error due to digital temperature compensation
SW5,5
21
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4007B_000-614e-09.09
Type 1145A1
4
Description
The piezoresistive pressure sensor Type 4007B… is a small
rugged high accuracy sensor capable of continuous high temperature operation up to 200 °C. Available in absolute pressure
ranges up to 20 bar and designed for use in many varied applications but in particular where both the ambient and process temperatures are expected to be greater then 125 °C.
The Type 4007B… utilizes a fully active four arm Wheatstone
bridge to generate an electrical signal which is proportional to
the applied pressure. The resistors making up the Wheatstone
bridge are implanted into a micro-machined silicon diaphragm
which is formed using Silicon on Insulator (SOI) technology.
This approach, coupled with Kistler’s DCE method of sensor
construction, allows the 4007B… to be exposed to media temperatures in excess of 180 °C while minimizing hysteresis and
repeatability errors. Further performance improvements are
made using digital characterization techniques whereby, the
effects of zero offset and sensitivity changes due to temperature can be reduced without sacrificing signal bandwidth.
M5x0,5
ø6,2
Application
The small size and excellent dynamic response of the Type
4007B… allows for high quality pressure measurements to
be made in locations where other sensors may not fit. The
measurement of high temperature gas pressure in gas turbines, powertrain development or environmental testing is
well suited to this sensor.
The Sensor Type 4007B… is available in a number of variations
including those that are suitable for use with Kistler Amplifiers
Type 4665 and 4618A... . Equipped with PiezoSmart®, an active sensor identification system, it is possible to reduce set-up
time and improve overall installation consistency when used
in conjunction with the Amplifier Type 4665. When calibrated
with a Type 4618A2 it is possible to monitor both the pressure
signal and the sensor temperature via scaled electrical signals.
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This information corresponds to the current state of knowledge. Kistler reserves
the right to make technical changes. Liability for consequential damage resulting
from the use of Kistler products is excluded.
©2009, Kistler Group, Eulachstrasse 22, 8408 Winterthur, Switzerland
Tel. +41 52 224 11 11, Fax +41 52 224 14 14, info@kistler.com, www.kistler.com