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PCB Piezotronics 208A22, Installation And Operating Manual

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Model 208A22

Penetration ICP® force sensor, 100 lb comp., 50 mV/lb, integral

Installation and Operating Manual

For assistance with the operation of this product,

contact PCB Piezotronics, Inc.

Toll-free: 800-828-8840

24-hour SensorLine: 716-684-0001

Fax: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

Summary of Contents for 208A22

Page 1: ... lb comp 50 mV lb integral Installation and Operating Manual For assistance with the operation of this product contact PCB Piezotronics Inc Toll free 800 828 8840 24 hour SensorLine 716 684 0001 Fax 716 684 0987 E mail info pcb com Web www pcb com ...

Page 2: ...ialized tests including sensitivity at elevated or cryogenic temperatures phase response extended high or low frequency response extended range leak testing hydrostatic pressure testing and others For more information contact your local PCB Piezotronics distributor sales representative or factory customer service representative Returning Equipment If factory repair is required our representatives ...

Page 3: ...ation on particular operating steps The following symbols may be found on the equipment described in this manual This symbol on the unit indicates that high voltage may be present Use standard safety precautions to avoid personal contact with this voltage This symbol on the unit indicates that the user should refer to the operating instructions located in the manual This symbol indicates safety ea...

Page 4: ...E 住房 O O O O O O PCB板 X O O O O O 电气连接器 O O O O O O 压电晶体 X O O O O O 环氧 O O O O O O 铁氟龙 O O O O O O 电子 O O O O O O 厚膜基板 O O X O O O 电线 O O O O O O 电缆 X O O O O O 塑料 O O O O O O 焊接 X O O O O O 铜合金 黄铜 X O O O O O 本表格依据 SJ T 11364 的规定编制 O 表示该有害物质在该部件所有均质材料中的含量均在 GB T 26572 规定的限量要求以下 X 表示该有害物质至少在该部件的某一均质材料中的含量超出 GB T 26572 规定的限量要求 铅是欧洲RoHS指令2011 65 EU附件三和附件四目前由于允许的豁免 CHINA RoHS COMPLIANCE ...

Page 5: ... O Wires O O O O O O Cables X O O O O O Plastic O O O O O O Solder X O O O O O Copper Alloy Brass X O O O O O This table is prepared in accordance with the provisions of SJ T 11364 O Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement of GB T 26572 X Indicates that said hazardous substance contained in at least one of t...

Page 6: ...stallation outline drawing and specification sheet at the back of this manual for details and dimensions of the particular sensor model number s purchased The following pages give a brief description of the various sensor series available recommended mounting procedures operation and recommended calibration In addition to PCB s line of ICP sensors each ICP sensor series outlined has corresponding ...

Page 7: ...e ring mounting and preload requirements Figure 4 outlines some possible mounting configurations to which the ring series may be installed Figure 4 Series 201 to 207 ICP Ring Force Sensor Possible Installation Methods GENERAL PURPOSE RADIAL Model 208C01 C05 General Purpose Sensors are designed to measure compression and impact forces from a fraction of a lb N to 5 000 lbs to 22 24 kN Tension force...

Page 8: ... simultaneously measuring force in three 3 orthogonal directions X Y and Z Internally three sets of quartz crystals are cut oriented and preloaded so the maximum output from the crystal cut for the specific plane is obtained when a force is applied axially to the specific x y or z plane Sensor output from loads applied in the alternate transverse planes considered channel cross talk is negligible ...

Page 9: ...returning the sensor to PCB for recalibration Figure 8 SERIES 3 COMPONENT TRIAX FORCE SENSORS PENETRATION Penetration style sensors are similar to the axial models but are specifically designed for compression and impact force measurements in materials testing applications Smooth cylindrical housings and curved impact caps avoid cutting through specimens This enables measurements to be taken to de...

Page 10: ...ot facing or surface grinding Surface flatness should be held to within 0 001 TIR over the entire mating surface When mounting sensors between two plates care should be taken to assure mounting surfaces are flat and parallel Non parallel surfaces could place unwanted stress on internal components leading to premature sensor failure The protective cap should remain on the electrical connector durin...

Page 11: ...the left in Figure 13 part of the force between the two structures is shunted through the mounting stud The amount of force shunted is dependent on the stud material but may be up to 5 of the total force for the beryllium copper stud supplied with the sensor and up to 50 for steel studs This typical installation setup is used by PCB during standard calibrations of force ring models 201B01 through ...

Page 12: ...ice the installer can monitor the sensor output voltage directly for correct preloading Monitor the output from the Z axis connector when preloading 3 component type sensors These sensors require a preload in the Z axis that is 10 times their shear range Some models require this to be accomplished in steps not to exceed the usable voltage To prevent clipping of the signal increments should not exc...

Page 13: ...meters depending on the frequency of interest It is necessary to supply the sensor with a 2 to 20 mA constant current at 20 to 30 VDC through a current regulating diode or equivalent circuit contained in all PCB signal conditioners See Guide G 0001B for powering and signal conditioning information pertaining to all ICP instrumentation Most of the line powered signal conditioners manufactured by PC...

Page 14: ...tant in the system For this reason the readout device as well as the signal conditioner must be DC coupled Figure 16 Characteristic Discharge Time Constant Curve The discharge time constant represents the decay rate of an input signal One DTC represents the amount of time taken for the signal to decay to 37 of the initial peak value As illustrated in Figure 16 this is an exponential decay Approxim...

Page 15: ...turned to the factory for servicing in the event of serious malfunction Observe the following precautions in using the sensor A Do not exceed the maximum load levels for the force sensor see specification sheet B Do not subject the sensor to temperatures exceeding that of the specification normally 250 F 121 C C Do not apply voltage to the sensor without current limiting diodes or other current pr...

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