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
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