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Summary of Contents for Kistler 8852A Series
- Page 1 Instruction Manual Non-hazardous and hybrid/mixed area system: AE- Piezotron sensor and coupler Types 8852A..., 5125C2, 5125C3, 8152C..., 5252A1 ä 8852A_002-680e-09.20...
- Page 3 Information in this document is subject to change without notice. Kistler reserves the right to change or improve its products and make changes to the content without obligation to notify any person or organization of such changes or improvements.
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Page 4: Table Of Contents
Content Content 1. Introduction ............................4 2. Important information ........................5 2.1 For your safety ........................5 2.2 Precautions ..........................6 2.3 Disposal of electronic equipment ...................6 2.4 Electromagnetic compatibility ....................6 2.5 Product types .........................7 3. Product description ..........................9 3.1 Acoustic emission (AE) as measurands .................9 3.2 Acoustic emission measuring system..................9 3.3 AE-Piezotron sensor Type 8152C... - Page 5 Content 8. Storage & transit considerations ....................27 9. Warranty ............................28 10. CE declaration of conformity ......................29 10.1 Type 8125C... sensor ......................29 10.2 Type 5125C... coupler ......................32 10.3 Type 5252A... barrier ......................33 10.4 Type 8852A... system ......................34 11. CSA control drawings ........................37 11.1 Type 8152C...
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Page 6: Introduction
To the extent permitted by law Kistler accepts no liability if this instruction manual is not followed, or if products other than those listed under Accessories are used. -
Page 7: Important Information
Important information ted online or in this manual, please contact Kistler‘s extensive support organization or visit us online at www.kistler.com. 2. Important information It is essential for you to review the following information, which is intended to ensure your personal safety when working with the acoustic emission sensors and contribute toward a longer service life. -
Page 8: Precautions
Check all equipment packaging for transporation damage. Report any damage to the transporter and to Kistler. The equipment should be used only under the specified ope- rating conditions and must be protected against excessive dust and mechanical stress (shock, vibration, etc.). -
Page 9: Product Types
Important information With normal coaxial connections, as used with most piezoelectric sensors, the shield utilizes a signal return lead with connections over long distances. Therefore, different ground potentials can produce equalizing currents in the cable shield. In this case, it may be necessary to forgo grounding at both ends to prevent ground loops. - Page 10 Non-hazardous and hybrid/mixed area AE system Type 8152Cxxx0001/2 ATEX AE-sensor with polyurethane cable Type 8152Cxxxxxx1/2 ATEX AE-sensor with steel braid conduit Type 5125C2 and Type 5125C3 non-hazardous AE-coupler Fig. 1: Type 8852A... AE system for non-hazardous, hybrid and mixed areas Fig.
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Page 11: Product Description
(a … b), as well as macroscopic dimensions (c … d). 3.2 Acoustic emission measuring system A number of variants are included under the Kistler Type 8852A… acoustic emission system, based on a selection of sensitivities, filter characteristics and cable lengths accommodating the needs of various applications. -
Page 12: Ae-Piezotron Sensor Type 8152C
The Kistler AE-sensors have a very high sensitivity to surface (rayleigh) and longitudinal waves over a wide frequency range. Type 8152C… covers the frequency range of 100 …... -
Page 13: Ae-Piezotron Sensor Type 5125C
Product description The Type 8152C AE sensor is available in either a non- hazardous sensor type for completely non-hazardous installations (designated by the “N” in the system numbering) or a ATEX/CSA sensor type for hybrid/mixed installations (designated by a “H” or “M” in the system numbering). “H”... - Page 14 Non-hazardous and hybrid/mixed area AE system Next, the coupler applies high-pass and low-pass filtering in order to remove that frequency content which is of no interest and measures the RMS level of the resultant signal. Finally, the RMS level is converted to a representative DC level. The coupler outputs available to the user system are the DC representation of RMS level, a 4-20 mA representation of RMS level, an adjustable switch closure of the RMS level...
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Page 15: Wideband Zener Barrier Type 5252A1
Product description 3.5 Wideband zener barrier Type 5252A1 The Type 5252A1 wideband zener barrier is made to operate with a cut-off frequency of >6 MHz. The wide bandwidth allows for the barrier to be used with the Type 8152C AE- sensor, which has usable frequencies up to 900 kHz. -
Page 16: Hazardous And Non-Hazardous Area Installation
ATEX/CSA and a barrier must be used to couple the sensor to the coupler. Refer to Fig. 6 for details. Kistler Type 5252A1 is recommended to ensure full usage of the real-time AE output of 900 kHz. - Page 17 Hazardous and non-hazardous area installation Only ATEX sensors Type 8152C... with serial number SN 4944583 and higher are compatible with the Type 5252A1 wideband zener barrier. Fig. 7: Type 8852AxxxxxxH2 system configuration. Type 8152C sensor lies into zone 2 hazard area. Type 5125C non-hazardous coupler lies in the safe area.
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Page 18: Mounting, Installation & Operation
Non-hazardous and hybrid/mixed area AE system 5. Mounting, installation & operation 5.1 Mounting the AE-Piezotron Type 8152C... sensors The AE sensor is secured to the surface of the structure sim- ply with one M6 screw, one ¼–28 screw, or with the magnetic clamp Type 8443B. - Page 19 Mounting, installation & operation Fig. 10a: Layout of terminals on Type 8152C PCB assembly Fig. 10b: Specific wiring configuration for usage of the 4 ... 20 mA output in SOURCE configuration 8852A_002-680e-09.20 Page 17...
- Page 20 Non-hazardous and hybrid/mixed area AE system Fig. 10c: Specific wiring configuration for usage of the 4 ...20 Ma output in SINK configuration 8852A_002-680e-09.20...
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Page 21: Connection Of The Ae Sensor To The Ae-Piezotron Coupler
Mounting, installation & operation 5.2.2 Connection of the AE sensor to the AE-Piezotron coupler In order to guarantee a higher level of interference immunity, the AE sensor is connected via a triaxial cable. In a comple- tely non-hazardous system, the connection is made via the 2-pole terminal J4 inside the instrument (see Fig. -
Page 22: Operation
Non-hazardous and hybrid/mixed area AE system 5.2.4 Operation Type 5125C2 and 5125C3 couplers are to be wired as de- fined in Section 5.2.1 of this document. The sensor connec- tion to Type 5125C must be a cable of 6 mm [0.24 in] max. external diameter, in order to properly fit the cable glands. -
Page 23: Rms (Root Mean Square) Converter
Mounting, installation & operation The filters are plug-and-play for the specific application in Type 5125C. The standard range is 50 KHz ... 1 MHz, which comes with the unit. The filters in Table 2 can be ordered as replacements to select the appropriate bandpass frequencies required for the application. -
Page 24: Alarm Switch And Raw Ae Output
Non-hazardous and hybrid/mixed area AE system The following criteria must be used to select the time cons- tant τ: ƒ Frequency response of the input signal (AE signal); the higher the frequencies of the input signal, the lower should be the time constant which is selected. ƒ... - Page 25 Mounting, installation & operation Input signal from AE-Piezotron sensor Type 8152C... AE out (filter) signal after the filters with example of bandpass 50 kHz ... 1 MHz AE out (RMS) signal after the RMS converter with example of τ = 1.2 mS Alarm level + Alarm switch Connection with pull-up resistor...
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Page 26: Cable Length Recommendation For Raw Ae Output
Non-hazardous and hybrid/mixed area AE system A fine jeweler’s screwdriver may be used to make this adjust- ment. Care must be taken to avoid excessive force on the adjustment screw, which may damage the pot or the PC board. The raw AE-out is filtered through a bandpass filter and is provided for monitoring on a data acquisition system, oscil- loscope, digital multimeter or spectrum analyzer. -
Page 27: Application Example
Calibration & maintenance 6. Application example The AE-sensor is particularly suitable for measuring acoustic emissions above 50 kHz in the surface of machine struc- tures. These sound emissions (AE) occur, for example, during plastic deformation of materials, crack formation and propagation, fracture or friction. -
Page 28: Calibration & Maintenance
Non-hazardous and hybrid/mixed area AE system 7. Calibration & maintenance 7.1 General The AE system cannot be repaired in the field. The sensor and the coupler must be returned to the factory for service or re-calibration. 7.2 Care & cleaning In general, dust or foreign material should be cleaned from the enclosure using a soft brush or a clean, dry dust cloth. -
Page 29: Storage & Transit Considerations
Warranty 8. Storage & transit considerations If the instrument is to be stored or transported for an extended period of time, please follow these safety precautions: ƒ The temperature should be maintained between –20 °C and 60 °C [–4 °F and 140 °F]. ƒ... -
Page 30: Warranty
Non-hazardous and hybrid/mixed area AE system 9. Warranty Please reference the Kistler Instrument standard product warranty under terms and conditions for sales and service. 8852A_002-680e-09.20... -
Page 31: Ce Declaration Of Conformity
CE declaration of conformity 10. CE declaration of conformity 10.1 Type 8125C... sensor 8852A_002-680e-09.20 Page 29... - Page 32 Non-hazardous and hybrid/mixed area AE system 8852A_002-680e-09.20...
- Page 33 CE declaration of conformity 8852A_002-680e-09.20 Page 31...
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Page 34: Type 5125C
Non-hazardous and hybrid/mixed area AE system 10.2 Type 5125C... coupler 8852A_002-680e-09.20... -
Page 35: Type 5252A
CE declaration of conformity 10.3 Type 5252A... barrier Please refer to the dedicated Type 5252A... instruction manual. 8852A_002-680e-09.20 Page 33... -
Page 36: Type 8852A
Non-hazardous and hybrid/mixed area AE system 10.4 Type 8852A... system 8852A_002-680e-09.20... - Page 37 CE declaration of conformity 8852A_002-680e-09.20 Page 35...
- Page 38 Non-hazardous and hybrid/mixed area AE system 8852A_002-680e-09.20...
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Page 39: Csa Control Drawings
CSA control drawings 11. CSA control drawings 11.1 Type 8152C... AE sensor 8852A_002-680e-09.20 Page 37... -
Page 40: Type 5252A1 Barrier
Non-hazardous and hybrid/mixed area AE system 11.2 Type 5252A1 barrier Please refer to the dedicated Type 5252A... instruction manual. 8852A_002-680e-09.20... -
Page 41: Appendix
12.1 Appendix A: Setting jumpers for gain, 4 to 20mA source/sink capability and replacing filters The Non ATEX version of the Kistler coupler Types 5125C2 and 5125C3 can be st to different gains (1, 10, 100 or 1000). The preset standard value for the gain is 10. - Page 42 Non-hazardous and hybrid/mixed area AE system Fig. 2: Detail A with jumpers J5 J6 and J9 including pin number description 8852A_002-680e-09.20...
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Page 43: Total Pages
Appendix Fig. 3: Detail B with jumpers J12 and J13 including pin number description 8852A_002-680e-09.20 Page 41...
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