Model: TO642A31

$674.00 USD
(Pricing valid in US only)

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Dual output (vibration/temperature) vibration sensor, 4 to 20 mA output, 0 to 1.0 in/sec pk, 3 to 1k Hz, side exit, 4-pin bayonet conn

  • Measurement Range: 0.0 to 1.0 in/sec pk (0.0 to 25.4 mm/s pk)
  • Output: 4-20 mA
  • Frequency Range: (±10%) 180 to 60000 cpm (3 to 1 kHz)
  • Sensing Element: Ceramic
  • Weight: 3.9 oz (111 gm)

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Measurement Range (Vibration)0.0 to 1.0 in/sec pk0.0 to 25.4 mm/s pk[3] 
Measurement Range (Temperature)-40 to 257 °F-40 to 125 °C[5] 
Output4-20 mA4-20 mA 
Frequency Range (±10 %)180 to 60000 cpm3 to 1 kHz[1][2] 
Broadband Resolution0.005 in/sec pk0.13 mm/s pk[4] 
Non-Linearity±1 %±1 % 
Temperature Range-40 to 185 °F-40 to 85 °C[5] 
Excitation Voltage12 to 30 VDC12 to 30 VDC 
Settling Time (within 2% of value)<15 sec<15 sec 
Electrical Isolation (Case)>100000000 >100000000  
Size - Hex7/8 in22.2 mm 
Size - Height1.68 in42.7 mm 
Weight3.9 oz111 gm 
Mounting Thread1/4-28 UNF1/4-28 UNF 
Mounting Torque (Stud)3 to 4 ft-lb4.1 to 5.4 Nm[6][7] 
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 Connector4-Pin Bayonet4-Pin Bayonet 
Electrical Connection PositionSideSide 
Electrical Connections (Pin A)Vibration, 4-20 mA Pos.Vibration, 4-20 mA Pos. 
Electrical Connections (Pin B)Vibration, 4-20 mA Neg.Vibration, 4-20 mA Neg. 
Electrical Connections (Pin C)Temperature, 4-20 mA Pos.Temperature, 4-20 mA Pos. 
Electrical Connections (Pin D)Temperature, 4-20 mA Neg.Temperature, 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] Vibration 4-20mA output accuracy is limited to 185°F (85°C)
[6] Stud torque must exceed sensor hex nut torque to ensure proper dismantling.
[7] 1/8" hex Allen key required for English version, 3mm hex Allen key required for metric version.
[8] See PCB Declaration of Conformance PS039 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:
(M) Metric Mount
    M080A163AAccessory for IMI Sensors Product(1)
Product Documents
Additional Downloads None Listed