Kistler 6613CG1 Instruction Manual

Cylinder pressure sensor

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Instruction
Manual
Cylinder Pressure
Sensor
Type 6613CG1/CG2
ä
6613CG_002-664e-07.22

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Summary of Contents for Kistler 6613CG1

  • Page 1 Instruction Manual Cylinder Pressure Sensor Type 6613CG1/CG2 ä 6613CG_002-664e-07.22...
  • Page 2 Information in this document is subject to change without notice. Kistler reserves the right to change or improve its products and make changes in the content without obligation to notify any person or organization of such changes or improvements.
  • Page 3: Table Of Contents

    Content Content Introduction ............................4 Disposal instructions for electrical and electronic equipment ..........5 Description ............................6 Introduction ............................6 Dimensions Type 6613CG1/CG2 ....................7 Working principle ..........................8 Installation ............................10 General ............................10 Recommended mounting ....................... 11 3.2.1 Sealing ..........................
  • Page 4: Introduction

    It will help you with the installation, maintenance, and use of this product. To the extent permitted by law Kistler does not accept any liability if this instruction manual is not followed or products other than those listed under Accessories are used.
  • Page 5: Disposal Instructions For Electrical And Electronic Equipment

    Do not discard old electronic instruments in municipal trash. For disposal at end of life, please return this product to an authorized local electronic waste disposal service or contact the nearest Kistler Instrument sales office for return instructions. 6613CG_002-664e-07.22 Page 5...
  • Page 6: Description

    6.5 mA (at dynamic pressure 0 bar). The output is ac-coupled, so static pressure measurements are not possible.  Type 6613CG1 has a time constant >10 s and is recommended for medium speed engines.  Type 6613CG2 has a time constant >110 s and is recommended for low speed engines.
  • Page 7: Dimensions Type 6613Cg1/Cg2

    Description 2.2 Dimensions Type 6613CG1/CG2 Fig 1: Dimensions of Type 6613CG1/CG2 6613CG_002-664e-07.22 Page 7...
  • Page 8: Working Principle

    Cylinder Pressure Sensor, Type 6613CG1/CG2 2.3 Working principle The cylinder pressure is acting on the diaphragm. The diaphragm converts the pressure in proportional force on the sensor element. The piezoelectric sensor element converts the force into a charge. The charge is converted by a charge amplifier into a current.
  • Page 9 Description Example of output signal from 2- and 4-stroke engine with signal span 12.5 mA time upper border bias current low er border signal 4-stroke signal 2-stroke Fig. Example of sensor output signal for 2- and 4-stroke engine 6613CG_002-664e-07.22 Page 9...
  • Page 10: Installation

    Cylinder Pressure Sensor, Type 6613CG1/CG2 3. Installation 3.1 General The quality of the measurement and the life time depends very much of a correct mounting.  The mounting hole must be manufactured within the tolerances  Avoid mounting at the end of long tubes, it creates pipe ringing and overheating of the sensor ...
  • Page 11: Recommended Mounting

    Installation 3.2 Recommended mounting Fig. 4a: Mounting bore Fig. 4b: Mounting bore (4-stroke application) (4-stroke application) for flush mounting for recessed mounting with additional gas Mounting torque: 15 ± 1 N·m channel. Admissible bore length depends on the application. Too long bore may interfere the quality of the measuring results Mounting torque: 15 ±...
  • Page 12: Installing The Charge Amplifier

    (for more detailed information, see datasheet of Type 6613CG1/CG2, doc. no. 003-043). This cable can be made by the user. Use a shielded cable; otherwise the sensor is not conform with CE rules. The wiring must be done according to the electric block diagram shown in chapter 5.2.5...
  • Page 13: Electric Block Diagram

    Installation 3.2.5 Electric block diagram 3.2.6 Pin connections Connector 1 Exct GND 2 don’t connect 3 don’t connect 4 don’t connect 5 Signal output 6 don’t connect 7 don’t connect 8 +Exct (18 … 32V) Fig 5: View on M12 connector of amplifier 3.2.7 Mounting tools Torque wrench Type 1300A11...
  • Page 14: Operation

    Cylinder Pressure Sensor, Type 6613CG1/CG2 4. Operation After the starting up the engine check for any gas leakage at once. If there is any gas leaking out, stop the engine and correct the mounting to achieve a complete sealing (see chapter 5).
  • Page 15: Maintenance

    Maintenance 5. Maintenance After installation, the sensor needs no maintenance. Do not use a steam or high-pressure cleaner for cleaning purposes. Never use wire brushes, screw drivers or any other sharp pointed instrument for cleaning the diaphragm. 6613CG_002-664e-07.22 Page 15...
  • Page 16: Trouble Shooting

    Cylinder Pressure Sensor, Type 6613CG1/CG2 6. Trouble shooting In case the sensor does not give a proper output signal, please disconnect the cable for a couple of seconds and connect it again. The amplifier works with a so-called time constant to...

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6613cg2

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