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Summary of Contents for Kistler 7614CG1Q03
- Page 1 Instruction Manual Cylinder Pressure Sensor Type 7614CG1Q03, 7614CG1Q04 Wärtsilä PAAF 280787 PAAF 280790 ä 7614CG_002-739e-04.16...
- Page 2 Instruction Manual Cylinder Pressure Sensor Type 7614CG1Q03, 7614CG1Q04 Wärtsilä PAAF 280787 PAAF 280790 ä 7614CG_002-739e-04.16...
- Page 4 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.
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Page 5: Table Of Contents
Disposal Instructions for Electrical and Electronic Equipment ..........4 Description ........................... 5 Introduction ......................... 5 Dimensions Type 7614CG1Q03/Q04 ................. 6 Working Principle ........................ 7 Installation ............................ 9 General ..........................9 ... -
Page 6: 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 7: Disposal Instructions For Electrical And Electronic Equipment
Cylinder Pressure Sensor, Type 7614CG1Q03, 7614CG1Q04 1.1 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. -
Page 8: Description
Description 2. Description 2.1 Introduction Measuring chain consisting of a life time optimized piezoelectric pressure sensor linked by a robust fluoropolymer cable to a charge amplifier with MIL connector. The rugged design and high temperature resistance allows for flush mounting and enables reliable knock detection. -
Page 9: Dimensions Type 7614Cg1Q03/Q04
Cylinder Pressure Sensor, Type 7614CG1Q03, 7614CG1Q04 2.2 Dimensions Type 7614CG1Q03/Q04 Tolerance Type Wärtsilä Type +50/-0 7614CG1Q03 PAAF280787 1715 mm +50/-0 7614CG1Q04 PAAF280790 515 mm Fig 1: Dimensions of Types 7614CG1Q03 and 7614CG1Q04 Page 6 7614CG_002-739e-04.16... -
Page 10: Working Principle
Description 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. The complete measuring chain is designed for easy operation and very long life time. - Page 11 Cylinder Pressure Sensor, Type 7614CG1Q03, 7614CG1Q04 Example of output signal from 2- and 4-stroke engine w ith signal span 13,3 mA time upper border bias current low er border signal 4-stroke signal 2-stroke Fig. 3: Example of output signal 2-stroke engine and 4-stroke engine Page 8 7614CG_002-739e-04.16...
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Page 12: Installation
Avoid mounting at the end of long tubes, it creates pipe ringing and overheating of the sensor Sensor must be tightened according the mounting torque of 25 N·m If there are any question regarding installation please contact Kistler. 7614CG_002-739e-04.16 Page 9... -
Page 13: Recommended Mounting
Cylinder Pressure Sensor, Type 7614CG1Q03, 7614CG1Q04 3.2 Recommended Mounting Fig. 4a: Mounting bore for conical sealing Fig. 4b: Mounting bore for shoulder sealing Mounting torque: 25 ±5 N·m Mounting torque: 25 ±5 N·m 3.2.1 Sealing A leak proof mounting of the sensor is essential to prevent overheating of the sensor by leaking hot gases. -
Page 14: Installing The Charge Amplifier
Installation 3.2.3 Installing the Charge Amplifier Charge amplifier can be fixed with cable strips in the cable channel. Select a location where the temperature does certainly not exceed 120 °C. Route and fix the integrated cable between sensor and charge amplifier so it is protected against mechanical damage. -
Page 15: Mounting Tools
Cylinder Pressure Sensor, Type 7614CG1Q03, 7614CG1Q04 3.2.7 Mounting tools Tubular socket Hex 19/24, l = 350 mm Type 1300A145 3.2.8 Accessories Dummy plug shoulder sealed Type 7441A Page 12 7614CG_002-739e-04.16... -
Page 16: Operation
Operation 4. Operation After starting up the engine check for any gas leakage at once. If there is any gas leaking out, stop the engine and rectify the mounting to achieve a complete sealing (see chapter 3). Warning: If the sensor is mounted in an indicator valve: When the engine is operating do not open the indicator valve for more than 10 seconds at a time as otherwise the sensor may be overheated. -
Page 17: Maintenance
Cylinder Pressure Sensor, Type 7614CG1Q03, 7614CG1Q04 5. Maintenance After installation, the transmitter 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. -
Page 18: Trouble Shooting
Trouble Shooting 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 ensure a reliable signal without drift, because of this time constant it can happen that the sensor is out of range for a short while. -
Page 19: Declaration Of Conformity
Cylinder Pressure Sensor, Type 7614CG1Q03, 7614CG1Q04 7. Declaration of Conformity Page 16 7614CG_002-739e-04.16...
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