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PAGE 9 

 

 

Installation 

 

When choosing a mounting method, consider closely the advantages and disadvantages of each technique. 

Typical mounting types are stud, direct adhesive, adhesive mounting base and magnetic mounting base. Since 

the frequency response is limited to 1 kHz on the 640/641, any of the four methods can be used without seriously 

affecting the data values.  The mounting method might affect some of the 645/646 series because of the 

increased frequency response. 

 

Direct Adhesive Mount Procedure 

For restrictions of space or for convenience, most sensors (with the exception of integral stud models) can be 

adhesive-mounted directly to the machine surface. 

 

STEP 1

 Prepare a smooth, flat surface. A minimum surface finish of 63 µin [0.0016 mm] generally works best. 

STEP 2 

Place a small portion of adhesive on the underside of the sensor. Firmly press down on the top of the 

assembly to displace any adhesive. Be aware that excessive amounts of adhesive can make sensor removal 

difficult. 

 

Figure 5

– direct adhesive mounting 

 

 

 

 

 
 
 
 
 
 
 
 
 

Summary of Contents for IMI SENSORS 646B10

Page 1: ...ometer Installation and Operating Manual For assistance with the operation of this product contact PCB Piezotronics Inc Toll free 800 959 4464 24 hour SensorLine 716 684 0001 Fax 716 684 3823 E mail i...

Page 2: ...alized 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...

Page 3: ...tion 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 p...

Page 4: ...China RoHS 2 Disclosure Table Pb Hg Cd Cr VI PBB PBDE O O O O O O PCB X O O O O O O O O O O O X O O O O O O O O O O O O O O O O O O O O O O O O O X O O O O O O O O O X O O O O O O O O O O O X O O O O...

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 sai...

Page 6: ...trial 4 20mA Sensor Operating Guide with Enclosed Warranty Information 3425 Walden Avenue Depew New York 14043 2495 Phone 716 684 0003 Fax 716 684 3823 Toll Free Line 1 800 959 4IMI MANUAL NUMBER 2531...

Page 7: ...n and Wiring Page 5 Standard Wiring Taking Measurements RV Option RVVO Option TO Option Installation Page 9 Direct Adhesive Mount Standard Stud Mount Adhesive Stud Mount Magnetic Mount ESD Sensitivity...

Page 8: ...further details General Features Imbedded Piezoelectric Accelerometer for improved accuracy and frequency response Vibration range can be in Acceleration or Velocity Allows for continuous vibration m...

Page 9: ...PAGE 4 Dimension Drawing...

Page 10: ...ply to Pin B or Blue Wire of the sensor Figure 1 wiring loop powered Figure 2 wiring loop powered DC source If using a standard DC power supply install either an ammeter and or load resistor in line w...

Page 11: ...pk 12 0 0 25 ips pk 0 5 ips pk 1 0 ips pk 15 75 0 37 ips pk 0 73 ips pk 1 47 ips pk 20 0 5 ips pk 1 0 ips pk 2 0 ips pk Measured mA 641BX0 641BX1 641BX2 4 00 0 0 ips rms 0 0 ips rms 0 0 ips rms 8 00 0...

Page 12: ...option which integrates the signal to a value of 100 mV IPS 20 Figure 3 RV and RVVO wiring For integral cable sensors RED 4 20mA Positive BLACK 4 20mA Negative same as green GREEN RV and RVVO negativ...

Page 13: ...e environment internal to the sensor housing and is situated at approximately mid level Figure 4 TO wiring For integral cable sensors RED 4 20mA Vibration Positive BLACK 4 20mA Vibration Negative GREE...

Page 14: ...e 645 646 series because of the increased frequency response Direct Adhesive Mount Procedure For restrictions of space or for convenience most sensors with the exception of integral stud models can be...

Page 15: ...to properly prepare the machine surface consider using an adhesive mounting pad as a possible alternative Inspect the area checking that there are no burrs or other foreign particles interfering with...

Page 16: ...requency response This method involves attaching a base to the machine surface then securing the snesor to the base This alows for easy removal of the accelerometer STEP 1 Prepare a smooth flat mounti...

Page 17: ...adhere a stell mounting pad to the test surface This provides a smooth and repeatable location for mounting Figure 9 magnet types STEP 1 After choosing the correct magnet type inspect the unit verifyi...

Page 18: ...rical devices Similar to a capacitor a cable can hold a charge caused by triboelectric transfer such as that which occurs in the following Laying on and moving across a rug Any movement through air Th...

Page 19: ...ATION RMA NUMBER Please have information available such as model and serial number Also to insure efficient service provide a written description of the symptoms and problems with the equipment to a l...

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