PCB Piezotronics IMI SENSORS 604B11 Installation And Operating Manual Download Page 18

Model Number

604B11

LOW-COST TRIAXIAL INDUSTRIAL ICP® ACCELEROMETER

Revision: B

ECN #: 49214

Performance

ENGLISH

SI

Sensitivity(± 20 %)

100 mV/g

10.2 mV/(m/s²)

[2]

Measurement Range

± 50 g

± 490 m/s²

Frequency Range(± 3 dB)

30 to 300,000 cpm

0.5 to 5000 Hz

Resonant Frequency

600 kcpm

10 kHz

[1]

Broadband Resolution(1 to 10,000 Hz)

350 µg

3434 µm/sec

2

[1]

Non-Linearity

± 1 %

± 1 %

[3]

Transverse Sensitivity

≤ 5 %

≤ 5 %

Environmental

Overload Limit(Shock)

5000 g pk

49,050 m/s² pk

Temperature Range

-65 to +250 °F

-54 to +121 °C

Temperature Response

See Graph

See Graph

[1]

Enclosure Rating

IP68

IP68

Electrical

Settling Time(within 1% of bias)

≤ 2.0 sec

≤ 2.0 sec

Discharge Time Constant

≥ 0.3 sec

≥ 0.3 sec

Excitation Voltage

18 to 28 VDC

18 to 28 VDC

Constant Current Excitation

2 to 20 mA

2 to 20 mA

Output Impedance

<150 Ohm

<150 Ohm

Output Bias Voltage

8 to 12 VDC

8 to 12 VDC

Spectral Noise(10 Hz)

8 µg/√Hz

78.5 (µm/sec

2

)/√Hz

[1]

Spectral Noise

(100 Hz)

5 µg/√Hz

49.1 (µm/sec

2

)/√Hz

[1]

Spectral Noise

(1 kHz)

4 µg/√Hz

39.2 (µm/sec

2

)/√Hz

[1]

Electrical Isolation(Case)

>10

8

 Ohm

>10

8

 Ohm

Physical

Size (Diameter x Height)

1.38 in x 1.00 in

35.1 mm x 25.4 mm

Weight(without cable)

4.0 oz

113.3 gm

Mounting Thread

1/4-28 UNF

Not Applicable

[4]

Mounting Torque

2 to 5 ft-lb

2.7 to 6.8 Nm

Sensing Element

Ceramic

Ceramic

Sensing Geometry

Shear

Shear

Housing Material

Stainless Steel

Stainless Steel

Sealing

Welded Hermetic

Welded Hermetic

Electrical Connector

Molded Integral Cable

Molded Integral Cable

Electrical Connection Position

Side

Side

Electrical Connections(Red)

X axis

X axis

Electrical Connections

(Green)

Y axis

Y axis

Electrical Connections

(White)

Z axis

Z axis

Electrical Connections

(Black)

Ground

Ground

Cable Length

10 ft

3.0 m

Cable Type

Polyurethane

Polyurethane

[5]

[6]

[7]

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

M

- Metric Mount

Supplied Accessory : Model M081A68 Captive mounting bolt M6 x 1 (1)

NOTES:

[1] Typical.
[2] Conversion Factor 1g = 9.81 m/s².
[3] Zero-based, least-squares, straight line method.
[4] 1/4-28 has no equivalent in S.I. units.

[5] Twisted shielded 4-conductor cable.
[6] See PCB Declaration of Conformance PS023 or PS098 for details.
[7] See Model's “Instructions For Use” (IFU) for North American Conformity and Certification 

Statements.

SUPPLIED ACCESSORIES: 

Model 081A68 Captive mounting bolt 1/4-28 x .90" (1)
Model ACS-2T NIST Traceable Single Point Calibration at 100 Hz for Each Axis (1)

Entered: LK

Engineer: gs

Sales: MC

Approved: BAM

Spec Number:

Date: 3/13/2019

Date: 3/13/2019

Date: 3/13/2019

Date: 3/13/2019

21047 

3425 Walden Avenue, Depew, NY 14043

Phone: 800-959-4464

Fax: 716-684-3823

E-Mail: [email protected]

Summary of Contents for IMI SENSORS 604B11

Page 1: ...CP Accelerometer 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 imi pcb com Web www imi sensors 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: ...ION A ECN NUMBER 49766 Operating Guide with Enclosed Warranty Information 3424 Walden Avenue Depew New York 14043 2495 Phone 716 684 0003 Fax 716 684 3823 Toll Free Line 1 800 959 4IMI Piezoelectric ICP Accelerometers Operating Guide ...

Page 7: ...pply low frequency and high frequency measurements Shear design sensors are preferred because of their inherent insensitivity to adverse environmental influences such as case or base strain and thermal transients Internal case isolation and shielding is important in avoiding erroneous signals resulting from ground loops and pick up of electromagnetic and radio frequency interference Other critical...

Page 8: ...ower gain which is extremely close to unity and independent of input voltage Also the diode can be changed to supply higher currents for driving long cable lengths Constant current diodes as shown in Figure 3 should be used in ICP signal conditioners The correct orientation of the diode within the circuit is critical for proper operation Except for special models standard ICP sensors require a min...

Page 9: ...onics However when operating AC coupled signal conditioners with readout devices having an input impedance of less than one megaohm thelow frequencyrangemaybeaffected 4 1 STANDARD STUD MOUNT This mounting technique requires smooth flat contact surfaces for proper operation and is recommended for permanent and or secure installations Stud mounting is also recommended when testing at high frequencie...

Page 10: ...nderside of the mounting base Firmly press down on the assembly to displace any extra adhesive remaining under the base See Figure7 METHOD 2 Direct Adhesive Mount For restrictions of space or for convenience most sensors with the exception of integral stud models can be adhesive mounteddirectlytothe machine surface STEP 1 Prepare a smooth flat mounting surface A minimum surface finish of 63 µin 0 ...

Page 11: ...ic interference or radio frequency interference EMI or RFI To avoid ground loops thereshouldonlybeonegroundin the system It is recommended for permanent installations that the sensor becase isolatedand internally shielded witha dual case design and use a two conductor shielded cable to insure clean vibration signal transmission Two conductor shielded cables allow the signal and the signal return c...

Page 12: ...er rate Also any current not used by the cable goes directly to power the internal electronicsandwillcreateheat Thismaycausethesensorto exceed its maximum temperature specification For this reason donotsupplyexcessivecurrentovershortcableruns orwhentestingatelevatedtemperatures 5 1CABLECONNECTORPROCEDURE Care and attention to installation is essential as the reliabilityandaccuracy of your system i...

Page 13: ...ner the meter or LED and allow the sensor to power up If a faulty condition is monitored first check all system connections then check the functionality of the cable and signal conditioner If the system still does not operate properly consult an IMI Application Engineer Note Always operate the accelerometer within the limitations listed on the Specification Sheet of your sensor Operating the devic...

Page 14: ...former MIL STD 45662A and uses equipment directly traceable to NIST This assures an accurate calibration of relevant specifications The following includes a broad overview of the Back to Back Calibration technique normally used when calibrating accelerometers This technique provides a quick and easy method for determining the sensitivity of a test accelerometer over a wide frequency range 8 2 BACK...

Page 15: ...mA of constant current to extend battery life while continuous monitoring systems offer more current in order to drive longer cables Figure 16 shows a typical system for a sensor with integral electronics The signal output of a sensor with integral electronics is a low impedance voltage signal proportional to the dynamic measurement such as force pressure or vibration This voltage signal is carrie...

Page 16: ...ceive assistance via e mail at imi pcb com or visit our website at www pcb com 11 0 CUSTOMER SERVICE WARRANTY IMI a division of PCB Piezotronics guarantees Total Customer Satisfaction If at any time for any reason you are not completely satisfied with any IMI product IMI will repair replace or exchange it at no charge You may also choose to have your purchase price refunded IMI instrumentation is ...

Page 17: ......

Page 18: ...r Molded Integral Cable Molded Integral Cable Electrical Connection Position Side Side Electrical Connections Red X axis X axis Electrical Connections Green Y axis Y axis Electrical Connections White Z axis Z axis Electrical Connections Black Ground Ground Cable Length 10 ft 3 0 m Cable Type Polyurethane Polyurethane 5 6 7 All specifications are at room temperature unless otherwise specified In th...

Page 19: ......

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