bullet Sensors & Transducers e-Digest (S&TD)


 

 

No. 5, May 2001

 

Bullet

Table of Contents

 

EDITORIAL

    

Sensor '2001: Pictures from Exhibition or Show Must Go On

By Sergey Y. YURISH, Editor-in-Chief

 

 

RESEARCHES

 

High Temperature Pressure Sensor Based On Thin Film Strain Gauges on Stainless Steel

for Continuous Cylinder Pressure Control

By Stefan Neumann, Managing Director, Imes GmbH

 

Abstract

 

This paper describes the design and performance of imes long-life high-temperature thin film strain gauge pressure sensors that have been specifically developed for monitoring of reciprocating compressors, natural gas or diesel engines, and high-pressure fuel systems. In a robust, durable, and low-cost design imes pressure sensors utilize the principle of thin film layers. Basis is a thin film cell which forms a metal substrate. This is overlaid by insulation layers which form an electrical barrier to the metal. TION (Titanium oxi-nitride, patented) and nickel for the functional layers of the measuring cell , with the result that the substrate can be designed thicker, which in turn has a significant effect on the longevity of the sensor. Finally, the measuring cells are thermally aged at high temperature. Altogether the sensor is no bigger than a spark-plug.

    

 

PRODUCTS

 

Hydrogen Sulphide Sensor with Reduced Cross Sensitivity to Methanol

   

   City Technology announces the launch of a new high sensitivity hydrogen sulphide sensor, the 7HH/LM CiTiceL, with reduced cross sensitivity to methanol.

7HHLM sensor

    

IEE reveals Intelligent Tagging System (I-Tag)

Intelligent Tagging System

 .

Low-Cost, High-Performance Piezoelectric Accelerometer Packaged

as Surface Mount Chip Component

12M1A Accelerometer

    

Liquid Level Sensors for All Applications

By Janet Killeen, PSM Instrumentation Limited

    

Trace Moisture - Analyser QTM 800 from cmc Instruments GmbH

    

DX-Series Handheld Precision IR Thermometers from Exegen Corp.

 

LS 1500 F Laser Range Finder Module

 

ODS 2000 Laser Distance Meter

 

OEM Rotary Torque Transducers

 

 

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