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Model Number

640B02

4-20 MA OUTPUT VELOCITY SENSOR

Revision: D
ECN #: 50726

P erfo rm an ce

EN G L ISH

SI

Measurement Range

0.0 to 2 in/sec pk

0.0 to 50.8 mm/s pk

[1]

Output

4-20 mA

4-20 mA

Frequency Range(± 10 %)

180 to 60 kcpm

3 to 1 kHz

[2][3]

Broadband Resolution

0.01 in/sec pk

0.26 mm/s pk

[4]

Non-Linearity

± 1 %

± 1 %

En viro n m en tal

Temperature Range

-40 to 185 °F

-40 to 85 °C

Enclosure Rating

IP68

IP68

Electrical

Excitation Voltage

12 to 30 VDC

12 to 30 VDC

Settling Time(within 2% of value)

< 15 sec

< 15 sec

Electrical Isolation(Case)

> 10

8

 Ohm

> 10

8

 Ohm

P h ysical

Size (Hex x Height)

1.0 in x 2.6 in

25.4 mm x 66 mm

Weight

4.7 oz

131 gm

Mounting Thread

1/4-28 UNF

No Metric Equivalent

Mounting Torque

3 to 5 ft-lb

4 to 7 Nm

Sensing Element

Ceramic

Ceramic

Sensing Geometry

Shear

Shear

Housing Material

Stainless Steel

Stainless Steel

Sealing

Welded Hermetic

Welded Hermetic

Electrical Connector

2-Pin MIL-C-5015

2-Pin MIL-C-5015

Electrical Connection Position

Top

Top

Electrical Connections(Pin A)

4-20 mA Pos (+)

4-20 mA Pos (+)

Electrical Connections

(Pin B)

4-20 mA Neg (-)

4-20 mA Neg (-)

[5]

All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change specifications without notice.

ICP

®

 is a registered trademark of PCB Piezotronics, Inc.

EX

 - Hazardous Area Approval- contact factory for

specific approvals

Hazardous Area Approval

DIV II, CL I, GRPS A-D, ExnL,

AExnA, IIC T4

DIV II, CL I, GRPS A-D, ExnL,

AExnA, IIC T4

Hazardous Area Approval

EEx ia IIC T4, -40°C≤Ta≤80°C,

II 1 G

EEx ia IIC T4, -40°C≤Ta≤80°C,

II 1 G

Hazardous Area Approval

EEx nL IIC T4, -40°C≤Ta≤80°C,

II 3 G

EEx nL IIC T4, -40°C≤Ta≤80°C,

II 3 G

Hazardous Area Approval

DIV I, CL I, II, III, GRPS A-G, Exia,

AExia, IIC T4

DIV I, CL I, II, III, GRPS A-G, Exia,

AExia, IIC T4

M

 - Metric Mount

Supplied Accessory: Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1)

RV

 - Buffered Analog Signal Output - 100 mV/g

(±20%)

Electrical Connector

3-Pin MIL-C-5015

3-Pin MIL-C-5015

Electrical Connections(Pin A)

4-20 mA Pos (+)

4-20 mA Pos (+)

Electrical Connections

(Pin B)

4-20 mA Neg/Signal Output

Neg

4-20 mA Neg/Signal Output

Neg

Electrical Connections

(Pin C)

Signal Output Pos

Signal Output Pos

OP TION A L  VERSION S

Optional versions have identical specifications and accessories as listed for the standard model except

where noted below. More than one option may be used.

N OTES:

[1]Conversion Factor 1 in/sec = 0.0254 m/sec.
[2]Current will fluctuate at frequencies below 5 Hz.
[3]1Hz = 60 cpm (cycles per minute).
[4]Typical.
[5]See PCB Declaration of Conformance PS039 or PS053 for details.

Date: 04/22/2020

Date: 04/22/2020

Date: 04/22/2020

Date: 04/22/2020

27244

Entered: LK

Engineer: NJF

Sales: MC

Approved: NJF

Spec Number:

Phone: 800-959-4464
Fax: 716-684-3823
E-Mail: imi@pcb.com

3425 Walden Avenue, Depew, NY 14043

SU P P L IED A C C ESSORIES:

Model 081A40 Mounting Stud (1)
Model ICS-4 NIST-traceable single-axis amplitude response calibration from 0 cpm (0 Hz) to upper
10% frequency for 4 - 20 mA output vibration sensor (1)

Summary of Contents for 640 B Series

Page 1: ...y Sensor 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...

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...

Page 20: ...val DIV II CLI GRPS A D ExnL AExnA IIC T4 DIV II CLI GRPS A D ExnL AExnA IIC T4 Hazardous Area Approval EEx ia IIC T4 40 C Ta 80 C II1 G EEx ia IIC T4 40 C Ta 80 C II1 G Hazardous Area Approval EEx nL...

Page 21: ......

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