23/07/2010 |
SPI Communication with HCE Digital Pressure Sensors
Sensortechnics' digital pressure sensor families offer precision absolute, gage or differential pressure measurement in various ranges. The Serial Peripheral Interface (SPI) is a simple bus system for synchronous serial communication between one master and one or more slaves.
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23/07/2010 |
I2C Communication with HDI-HCLA-HCA-SSI Pressure Sensors
Sensortechnics' digital HDI-HCLA-HCA-SSI series offers precision gage or differential pressure measurement in miniature package style. The I2C bus is a simple, serial 8-bit oriented computer bus for efficient I2C control.
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23/07/2010 |
SELECTION OF THE RIGHT PRESSURE SENSOR
To select the right pressure sensor for a specific application besides the pressure range first of all the type of pressure measurement has to be considered. Pressure sensors measure a certain pressure in comparison to a reference pressure and can be divided into absolute, gage and differential devices. This report will explain these terms on the basis of Sensortechnics piezoresistive pressure sensors.
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15/07/2010 |
SHTxx Design Guide
How to design-in a humidity a temperature sensor
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30/01/2010 |
LOW PRESSURE MEASURE
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30/01/2010 |
MASS FLOW VS. VOLUMETRIC FLOW
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30/01/2010 |
BY PASS FOR HIGH FLOW
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30/01/2010 |
GAS MEDIA COMPATIBILITY
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30/01/2010 |
REDUCED PACKAGE SIZE FOR MEDICAL FLOW SENSOR
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30/01/2010 |
GAS CORRECTION FACTORS
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30/01/2010 |
INSTALLATION INSTRUCTION AWM7
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30/01/2010 |
INSTALLATION INSTRUCTION AWM2
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30/01/2010 |
INSTALLATION INSTRUCTION AWM3
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30/01/2010 |
INSTALLATION INSTRUCTION AWM4
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29/07/2008 |
APPLICATION TIPS for humidity sensing elements
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29/07/2008 |
THE DEW-POINT TEMPERATURE CAN BE EASILY CALCULATED FROM THE RELATIVE HUMIDITY AND TEMPERATURE
The dew-point temperature is the temperature to which the air must be cooled to reach saturation (assuming air pressure remains the same). When the temperature cools to the dew point, fog or dew can occur, and the relative humidity becomes 100%.
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29/07/2008 |
INTRODUCTION TO RELATIVE HUMIDITY
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29/07/2008 |
FLOW SENSOR TECHNOLOGY
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29/07/2008 |
HUMIDITY MEASURING TECHNIQUE - Definitions, terms, measuring methods.
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29/07/2008 |
MAINTENANCE INSTRUCTIONS for humidity measuring instruments with plastic measuring element.
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29/07/2008 |
RELATIVE HUMIDITY CALCULATION
Calculation of relative humidity at a given temperature.
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20/10/2007 |
OXYGEN SENSOR - Principle and construction description.
Oeprating principle and construction of zirconium dioxide oxygen sensors of the XYA series.
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01/09/2007 |
SENSORE DI PRESSIONE BAROMETRICO- AN1
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01/09/2007 |
QUARTZ CRYSTAL THEORY
Importante nota informativa sulla teoria dei quarzi per applicazioni elettroniche.
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01/08/2007 |
SCC - OFFSET TEMPERATURE COMPENSATION (open bridge)
The SCC series pressure sensor self compensates gage factor thermal errors when operated with a constant current source (SCC application information figure 4). The temperature coefficient of the sensor bridge impedance has been designed to be equal and opposite to the sensors gage factor (mV/V/psi) temperature coefficient.
The other source of thermal error is the sensors offset voltage vs. temperature. This error can be compensated by measuring the sensors and adjusting an external resistive network.
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01/08/2007 |
PIEZORESISTIVE TECHNOLOGY
The AN describe how the piezoresistance of a semiconductor can change in resistance by an applied strain of the diaphgram.
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01/08/2007 |
UNDERSTANDING ABSOLUTE PRESSURE SENSORS
This application note will discuss what absolute pressure is, how it is the best measured and how to calibrate absolute pressure sensors.
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01/08/2007 |
TRANSDUCERS IN FLUID FLOW APPLICATIONS
This AN describe the three basic classes of transducer applications. All transducer usages will fit inot one of the following categoris: 1.Pressure Vessel 2.Open Flow 3.Closed Flow.
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01/08/2007 |
Understanding constant voltage and constant current excitation for pressure sensors
Low cost solid state pressure sensor elements have attracted a great deal of attention lately. Although for the bulk of applications it is more economical to use a device which is calibrated by the sensor manufacture, for some very high volume OEM applications a basic sensor element can be used. It is when using these uncompensated elements that one needs to be able to understand the various methods for span temperature
compensation.
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CLC, CLW - Measuring Transition Points in Liquids with Different Density
Sensortechnics' capacitive CLC and CLW sensors allow for contact-free measurement of liquid level can be easily mounted to the outside of a container or vessel. The CLC series measure continuously whereas the CLW devices detect point levels. Further more, due to their sensitivity and teaching possibilities these sensors can be used to determine transition points between any two liquids with different densities and a sufficient difference in relative permittivity.
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