Model: 642A02

$399.00 USD
(Pricing valid in US only)

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Industrial vibration sensor, 4 to 20 mA output, 0 to 2 in/sec pk, 3 to 1k Hz, side exit, 2-pin conn.

  • Measurement Range: 0.0 to 2.0 in/sec pk (0.0 to 50.8 mm/s pk)
  • Output: 4-20 mA
  • Frequency Range: (±10%) 180 to 60 kcpm (3 to 1 kHz)
  • Sensing Element: Ceramic
  • Weight: 3.8 oz (108 gm)

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Measurement Range0.0 to 2.0 in/sec pk0.0 to 50.8 mm/s pk[3] 
Output4-20 mA4-20 mA 
Frequency Range (±10 %)180 to 60 kcpm3 to 1 kHz[1][2] 
Broadband Resolution0.01 in/sec pk0.26 mm/s pk[4] 
Non-Linearity±1 %±1 % 
Temperature Range-40 to 185 °F-40 to 85 °C 
Enclosure RatingIP68IP68 
Excitation Voltage12 to 30 VDC12 to 30 VDC 
Settling Time (within 2% of value)<15 sec<15 sec 
Electrical Isolation (Case)>100000000 Ohm>100000000 Ohm 
Size - Hex7/8 in22.2 mm 
Size - Height1.41 in35.8 mm 
Weight3.8 oz108 gm 
Mounting Thread1/4-28 UNF1/4-28 UNF 
Mounting Torque (Stud)3 to 4 ft-lb4.1 to 5.4 Nm[5][6] 
Mounting Torque (hex nut)2 to 3 ft-lb2.7 to 4.1 Nm 
Sensing ElementCeramicCeramic 
Sensing GeometryShearShear 
Housing MaterialStainless SteelStainless Steel 
SealingWelded HermeticWelded Hermetic 
Electrical Connector2-Pin MIL-C-50152-Pin MIL-C-5015 
Electrical Connection PositionSideSide 
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.


Product Notes
[1] 1Hz = 60 cpm (cycles per minute).
[2] Current will fluctuate at frequencies below 5 Hz.
[3] Conversion Factor 1 in/sec = 0.0254 m/sec.
[4] Typical value.
[5] Stud torque must exceed sensor hex nut torque to ensure proper dismantling.
[6] 1/8" hex Allen key required for English version, 3mm hex Allen key required for metric version.
[7] See PCB Declaration of Conformance PS039 or PS053 for details.
080A162Mounting Stud(1)
ICS-4NIST-traceable single-axis amplitude response calibration from 0 cpm (0 Hz) to upper 10% frequency for 4 - 20 mA output vibration sensor(1)
Optional Versions:
(EX) Hazardous Area Approval- contact factory for specific approvals
    Hazardous Area ApprovalEEx ia IIC T4, -40°C≤Ta≤80°C, II 1 G
    Hazardous Area ApprovalEEx nL IIC T4, -40°C≤Ta≤80°C, II 3 G
    Hazardous Area ApprovalDIV I, CL I, II, III, GRPS A-G, Exia, AExia, IIC T4
    Hazardous Area ApprovalDIV II, CL I, GRPS A-D, ExnL, AExnA, IIC T4
(M) Metric Mount
    M080A163AAccessory for IMI Sensors Product(1)
(RV) Buffered Analog Signal Output - 100 mV/g (±20%)
    Electrical Connections (Pin A)4-20 mA Pos (+)
    Electrical Connections (Pin B)4-20 mA Neg/Signal Output Neg
    Electrical Connections (Pin C)Signal Output Pos
    Electrical Connector3-Pin MIL-C-5015
Product Documents
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