background image

 

Model Number

 

645B01

 

4-20 MA OUTPUT ACCELEROMETER

 

Revision: B 

ECN #: 42165

 

 

 

[5]

  

 
 

Performance 

ENGLISH 

SI 

Measurement Range

 

0.0 to 5 g rms

 

0.0 to 49 m/s² rms

 

[1]

 

Output

 

4-20 mA

 

4-20 mA

 

 

Frequency Range(± 10 %)

 

180 to 300,000 cpm

 

3 to 5 kHz

 

[2][3]

 

Broadband Resolution

 

0.025 g rms

 

0.24 m/s² rms

 

[4]

 

Non-Linearity

 

± 1 %

 

± 1 %

 

 

Environmental 

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

 

 

Load Resistance

 

50(Vs-12) Ohm

 

50(Vs-12) Ohm

 

 

Settling Time(within 2% of value)

 

<15 sec

 

<15 sec

 

 

Electrical Isolation(Case)

 

>10

8

 Ohm

 

>10

8

 Ohm

 

 

Physical 

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 (-)

 

 

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 Group, Inc. 

 

OPTIONAL VERSIONS 

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

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

 

 

 
EX 

- Hazardous Area Approval- contact factory for specific approvals

 

Temperature Range(Maximum)

176 °F

 

80 °C

 

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) replaces Model 
081A40 

 
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

 

 

 

NOTES:

[1] Conversion Factor 1g = 9.81 m/s².
[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.

 

 

 

SUPPLIED ACCESSORIES:  

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) 

Entered: AP

 

Engineer: BAM

 

Sales: EGY

 

Approved: BAM

 

Spec Number:

 

Date: 10/21/2013

 

Date: 10/21/2013

 

Date: 10/21/2013

 

Date: 10/21/2013

 

28067 

 

3425 Walden Avenue, Depew, NY 14043

Phone: 800-959-4464 
Fax: 716-684-3823 
E-Mail: [email protected]

Summary of Contents for IMI SENSORS 645B01

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...

Page 20: ...the standard model except where noted below More than one option may be used EX Hazardous Area Approval contact factory for specific approvals Temperature Range Maximum 176 F 80 C Hazardous Area Appro...

Page 21: ......

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