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Summary of Contents for Kistler 6217A Series
- Page 1 Instruction Manual Quartz high-pressure sensor Type 6217A… 002-689e-05.21...
- Page 3 © 2021 Kistler Group. Kistler Group products are protected by various intellectual property rights. For more details visit www.kistler.com. The Kistler Group includes Kistler Holding AG and all its subsidiaries in Europe, Asia, the Americas and Australia. Kistler Group...
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Page 4: Table Of Contents
Quartz high-pressure sensor Type 6217A… Contents Introduction ..........................3 Important information .........................4 Warranty ..........................4 Disposal instructions for electrical and electronic equipment ..........4 Sensor ............................5 General functional description ....................5 Measuring chain .........................6 Installation and operation ......................8 Mounting bore preparation ....................8 4.1.1 Dimensions ......................8 4.1.2 Machining ......................9 4.1.3... -
Page 5: Introduction
Please take the time to thoroughly read this instruction manual. 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 6: Important Information
Quartz high-pressure sensor Type 6217A… 2. Important information 2.1 Warranty The equipment supplied by Kistler Instrumente AG Winterthur is covered by a warranty against faulty material and workmanship. This warranty extends 12 months from delivery date. When submitting warranty claims, the items of equipment concerned are to be delivered to the manufacturer’s works or to the regional distributor... -
Page 7: Sensor
Sensor 3. Sensor 3.1 General functional description This modular high pressure sensor is suitable for universal applications up to 2 000 bar. Its proven front sealing design ensures best accuracy even in harsh environments (e.g. high shock levels, hot gases with combustion particles). -
Page 8: Measuring Chain
Quartz high-pressure sensor Type 6217A… Fig. 2: Sensor dimensions It is recommended to apply the threaded protective cover Types 1891 (10-32 connector), 1851 (BNC) or 1871 (TNC) to the connector end of the sensor when not in use. This will prevent mechanical damage of the connector during installation and loss of insulation due to pollution. - Page 9 0 ... 2 000 bar or 0 ... 200 bar on the charge amplifier. High-insulation, low-noise cable It is advisable to exclusively use Kistler cables. For cables from other manufacturers, compatibility with the sensor connector is not guaranteed and can result in poor signal transmission.
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Page 10: Installation And Operation
Quartz high-pressure sensor Type 6217A… 4. Installation and operation 4.1 Mounting bore preparation 4.1.1 Dimensions The bore depth D must be sufficient to allow thread engagement over the full length L (see table below). If the testing vessel has sufficient material strength, a thread engagement of 0.8 L is acceptable. D (1 L) D (0.8 L) Direct mounting 18 mm 14.5 mm Mounting with thermal protection shield 20.5 mm 16.5 mm Type 6563A or diaphragm protector Type 6564... -
Page 11: Machining
Installation and operation 4.1.2 Machining Most important bore parameters: Perpendicularity M12x1 – sealing surface Flatness of sealing surface NOTE When preparing the mounting bore it is important to ensure concentricity of the thread with respect to the bore. This can be achieved without difficulty by cutting the thread in the same workholding fixture on the drilling machine or by using a locating center. 1. Rough drilling with max. ø6 mm (ideal ø2.5 ... 5 mm) 2. -
Page 12: Quality Of Mounting Bore
Quartz high-pressure sensor Type 6217A… 5. Tapping Depth: Type Types 6217AA02000 6217AB02000 & 6217AC02000 Standard 15 mm 11 mm The thread must be positioned exactly concentrically to the bore. 6. Reaming In order to ensure the best possible measuring accuracy, the sealing surface must be finish reamed with the surface finishing tool Type 1300A23. This step is described in more detail in section 4.1.3.2. -
Page 13: Reaming Of Sealing Surface
Installation and operation 4.1.3.2 Reaming of sealing surface Fig. 9: Surface finishing tool Type 1300A23 (reamer) Incorrect use of the surface finishing tool Type 1300A23 can damage the sealing surface. Practice sessions on a disused bore or a practice piece are therefore recommended. This experience will ensure that excellent sealing surfaces are produced on the testing vessel. NOTE Fill the grooves of the cutting surfaces with special lubricating grease Type 1063 (supplied). The grease picks up the chips preventing them from... - Page 14 Quartz high-pressure sensor Type 6217A… Hand screw the reamer into the mounting bore. Adjust the friction force by tightening or loosening with the tubular socket wrench, so that the reamer can be easily turned by hand. Fig. 11: Hand screw reamer into the mounting bore Ream sealing surface: ƒ...
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Page 15: Sealing Surface - Before And After Reaming
Installation and operation 4.1.3.3 Sealing surface – before and after reaming Fig. 13: Sealing surface before and after reaming (note smooth surface finish); surface finishing toolkit Type 1300A23 for Type 6217A 4.1.3.4 Distribution of chips on reamer Fig. 14: Sealing surface conical Fig. 15: Deformed surface area 002-689e-05.21 Page 13... -
Page 16: Sensor Installation And Removal
Due to the modular design of Type 6217A, its sensing element can be pulled out of the connecting nipple (see Fig 1). Before re-assembly, clean the connectors on the sensing element and on the inside of the connecting nipple using Kistler cleaning spray Type 1003. To reassemble the two components, simply push them together (no screwing required). -
Page 17: Sealing Ring Type 1100
4.2.2.1 Sealing ring Type 1100 The Cr-Ni-steel conical seal design is patented by Kistler. The higher the pressure measured rises, the more strongly the sealing ring is pressed against the sealing surface, thereby ensuring a reliable seal over the entire measuring range. -
Page 18: Tightening Using Double-Torque Method
Tightening torques >20 Nm may damage the sensor (plastic deformation and mushrooming of the front part). Kistler recommends using dial Type torque wrenches such as Kistler Type 1371B. CAUTION If the sensor does not seal properly despite being torqued with 20 Nm, the seals need to be replaced. If the leakage persists, inspect sensor diaphragm and mounting cavity for damaged sections. -
Page 19: Installation With Accessories
Installation and operation 4.2.4 Installation with accessories Diaphragm protector Type 6564 mainly serves as a mechanical protection against splinters and powder particles that may damage the diaphragm. Additionally, it slightly delays the effects of thermal shock. It is mainly used for case mouth and port pressure measurements. Thermal protection shield Type 6563A effectively delays thermal shock and is therefore commonly used for cartridge chamber pressure measurements. -
Page 20: Thermal Protection Shield Type 6563A
Quartz high-pressure sensor Type 6217A… ƒ Tabs are spread. Inserting sensor does not result in a clicking sound. Diaphragm protector may fall off and get stuck in mounting cavity. ƒ Formation of cracks on diaphragm protector. Diaphragm protector may break, fall off and get stuck in mounting cavity. ƒ Marks on sealing surface of diaphragm protector. Sensor diaphragm may be damaged. Insufficient sealing may result in blow-by. -
Page 21: Grease Filling
Installation and operation 5. Apply special lubricating grease to the sensor threads and screw the sensor into the mounting cavity hand tight. 6. Tighten the sensor with a torque wrench to 20 Nm using the double- torque method. The service life of the thermal protective plate Type 1181A is determined by the abrasive characteristics of the propellant powder being used. -
Page 22: Removal Of Sensor And Accessories
Quartz high-pressure sensor Type 6217A… 4.2.5 Removal of sensor and accessories Prior to removing the sensor, unscrew the cable and protect the connector using connector cap Type 1891 (10-32 connector), 1851 (BNC) or 1871 (TNC). Loosen the sensor using a hexagon socket or torque key. Unscrew the sensor from the mounting bore by hand. 4.2.5.1 Removal tool Type 1255a For convenient removal of a diaphragm protector or thermal protection shield... -
Page 23: Maintenance And Calibration
Otherwise permanent damage will result. ƒ Fine cleaning: for fine cleaning it is recommended to dip the sensor in a cleaning agent based on mineral oil (e.g. petroleum ether, petrol), wipe it with a paper towel and apply Kistler cleaning spray Type 1003. Repairs shall only be conducted by Kistler. 5.1.2 Connectors For high impedance cables, as used with PE sensors, it is important that all connectors are kept as clean and dry as possible. -
Page 24: Recalibration
These problems can be overcome by cleaning the cables, connectors, switch boxes and the signal conditioning input connector using Kistler cleaning spray Type 1003. Fig. 32: Kistler cleaning spray Type 1003 The use of compressed air in the cleaning of connectors is not recommended. -
Page 25: Various Measuring Arrangements
Various measuring arrangements 6. Various measuring arrangements 6.1 Cartridge chamber measurement (C.I.P configuration) The cartridge chamber (mid-case) measurement is the Type of measurement in which the user obtains comprehensive information on the burning of the powder. Due to the necessary spot drilling the cartridge case and the accurate centering of the case, however, this Type of measurement is time consuming and work intensive. -
Page 26: Cartridge Mouth Measurement (Nato Configuration)
Quartz high-pressure sensor Type 6217A… 6.2 Cartridge mouth measurement (NATO configuration) This measuring arrangement, mainly used in ammunition acceptance testing, is considerably simpler compared to the cartridge chamber measurement, since the ammunition does not need to be machined. With this arrangement, only the peak pressure is measured, which depending on the ammunition is up to 3% lower than the pressure measured with the cartridge chamber measurement. -
Page 27: Influence Of Dead Volume
Various measuring arrangements Fig. 36: Arrangement of the mounting cavity This measure prevents the bullet jacket material from stripping off and introducing foreign material into the metering hole, possible adversely affecting pressure measurements. This is particularly important for the port pressure measurement. In addition, there is a risk of damage to the diaphragm from metal parts from the shot or, if the distance between cartridge case and measuring hole is too short, from the case. -
Page 28: Port Pressure Measurement On Barrel
Quartz high-pressure sensor Type 6217A… e.g. Length L pipe oscillation f 3 mm 75 kHz 9 mm 25 kHz 18 mm 12.5 kHz Fig. 37: Pipe oscillations cartridge mouth 6.3 Port pressure measurement on barrel Fig. 38: Pressure measurement at any location along the barrel (port pressure) Pressure measurements in the barrel are extremely problematic due to the very short pressure rise time. -
Page 29: Cartridge Base Measurement
Various measuring arrangements In most cases, however, the measurement is made only after the peak pressure is reached (e.g. port pressure measurement). Fig. 40: Port pressure measurement compared with cartridge case measurement 6.4 Cartridge base measurement It is only possible to install the sensor in a cartridge base adapter in the case of large calibers. -
Page 30: Closed Bomb Measurement
Quartz high-pressure sensor Type 6217A… 6.5 Closed bomb measurement For this measurement, the sensor is normally fitted in an adapter. In order to prevent measuring errors, the adapter must be constructed so that the lowest possible material stresses are transferred to the sealing surface of the sensor. Fig. 42: Example: Adapter with minimal material stress in the area of the sealing surface of the sensor Page 28 002-689e-05.21...
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