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KELAG Künzli Elektronik AG
Ringstrasse 5
Ch-8630 Schwerzenbach
Schweiz / Switzerland
Acceleration, inclination and vibration sensor KAS901- (KAS903-) series
Contents
1. Applications ..............................................................................................................................................................2
1.1 Tilt and levelling applications ..............................................................................................................................2
1.2 Inclination and angle measuring .........................................................................................................................2
1.3 Acceleration measuring ......................................................................................................................................2
1.4 Vibration measuring ............................................................................................................................................2
2 Characteristics / Technology .....................................................................................................................................2
2.1 Shock resistance of the sensing element ...........................................................................................................2
2.2 Repeatability and long term stability ...................................................................................................................2
2.3 Resolution ...........................................................................................................................................................3
2.4 Reduced sensitivity to vibrations thanks to gas attenuation ...............................................................................3
2.5 Structure of the sensing element ........................................................................................................................3
2.6 Functional principle .............................................................................................................................................3
3 Mechanical mounting.................................................................................................................................................4
3.1 Alignment for inclination measuring ....................................................................................................................4
3.1.1: Possibelity 1 ................................................................................................................................................4
3.1.2: Possibility 2:.................................................................................................................................................4
3.1.3: Mounting and output....................................................................................................................................4
3.2 Mounting for acceleration and vibration..............................................................................................................5
3.3 Offset-Alignment .................................................................................................................................................5
3.4 Temperature compensation ................................................................................................................................6
3.5. Inclination in relation to earth gravity g ..............................................................................................................6
Version: 11/05
Telefon
+41 (0)44 806 22 00
Fax
+41 (0)44 806 22 08
E-Mail
kelag@kelag.ch
Internet
www.kelag.ch
Application manual
Page 1 of 6
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Summary of Contents for KELAG Künzli Elektronik AG KAS901-01A
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Page 1: Table Of Contents
KELAG Künzli Elektronik AG Telefon +41 (0)44 806 22 00 Ringstrasse 5 +41 (0)44 806 22 08 Ch-8630 Schwerzenbach E-Mail kelag@kelag.ch Schweiz / Switzerland Internet www.kelag.ch Application manual Acceleration, inclination and vibration sensor KAS901- (KAS903-) series Contents 1. Applications ................................2 1.1 Tilt and levelling applications ..........................2 1.2 Inclination and angle measuring .........................2 1.3 Acceleration measuring ............................2... -
Page 2: Applications
KELAG Künzli Elektronik AG Telefon +41 (0)44 806 22 00 Ringstrasse 5 +41 (0)44 806 22 08 Ch-8630 Schwerzenbach E-Mail kelag@kelag.ch Schweiz / Switzerland Internet www.kelag.ch 1. Applications Typical applications for the KAS series sensors are: - inclination limiter (tilt sensor) - levelling - inclination - acceleration... -
Page 3: Resolution
KELAG Künzli Elektronik AG Telefon +41 (0)44 806 22 00 Ringstrasse 5 +41 (0)44 806 22 08 Ch-8630 Schwerzenbach E-Mail kelag@kelag.ch Schweiz / Switzerland Internet www.kelag.ch 2.3 Resolution The sensing elements formed by a dual capacitor produce extremely low noise levels and a high output signal. The major part of the noise is caused by the signal conditioning circuitry. -
Page 4: Mechanical Mounting
KELAG Künzli Elektronik AG Telefon +41 (0)44 806 22 00 Ringstrasse 5 +41 (0)44 806 22 08 Ch-8630 Schwerzenbach E-Mail kelag@kelag.ch Schweiz / Switzerland Internet www.kelag.ch 3 Mechanical mounting The housings are marked with a symbol indicating the measuring direction. 3.1 Alignment for inclination measuring 3.1.1: Possibelity 1 axis of rotation... -
Page 5: Mounting For Acceleration And Vibration
KELAG Künzli Elektronik AG Telefon +41 (0)44 806 22 00 Ringstrasse 5 +41 (0)44 806 22 08 Ch-8630 Schwerzenbach E-Mail kelag@kelag.ch Schweiz / Switzerland Internet www.kelag.ch Example 2: The pictures describe how the tilt is and what sort of output (direction) has to be expected. X-axis: 3.14 V >2.5V 1.81 V... -
Page 6: Temperature Compensation
The remaining drift caused by temperature variation is very low, but should be compensated additionally for high precision applications. Methods: applying temperature compensated sensors of the KAS901-01A, KAS901-02A, KAS901-5x, KAS901-4x and KAS903-Serie for the temperature compensated sensors calibration data is available on demand, stating the remaining temperature sensitivity after compensation.