Model: TO640B61

$615.00 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, top exit, 10-ft integral armor cable

  • 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: 4.7 oz (131 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-Linearity1 %1 % 
Temperature Range-40 to 185 °F-40 to 85 °C[5] 
Excitation Voltage12 to 30 VDC12 to 30 VDC 
Settling Time<15 sec<15 sec 
Electrical Isolation (Case)>100000000 Ohm>100000000 Ohm 
Size - Hex1.00 in25.4 mm 
Size - Height4.2 in107 mm 
Weight (without cable)4.7 oz131 gm 
Mounting Thread1/4-28 UNF1/4-28 UNF 
Mounting Torque3 to 5 ft-lb4 to 7 Nm 
Sensing ElementCeramicCeramic 
Sensing GeometryShearShear 
Housing MaterialStainless SteelStainless Steel 
SealingWelded HermeticWelded Hermetic 
Electrical Connector4 Conductor Integral Armored Cable4 Conductor Integral Armored Cable 
Electrical Connection PositionTopTop 
Electrical Connections (Red)Vibration, 4-20 mA Pos.Vibration, 4-20 mA Pos. 
Electrical Connections (Black)Vibration, 4-20 mA Neg.Vibration, 4-20 mA Neg. 
Electrical Connections (White)Temperature, 4-20 mA Pos.Temperature, 4-20 mA Pos. 
Electrical Connections (Green)Temperature, 4-20 mA Neg.Temperature, 4-20 mA Neg. 
Cable Length10 ft3 m 
Cable TypePolyurethanePolyurethane 

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] See PCB Declaration of Conformance PS039 or PS053 for details.
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)
081A40Mounting Stud(1)
Optional Versions:
(EX) Hazardous Area Approval- contact factory for specific approvals
(M) Metric Mount
    M081A61Mounting Stud(1)
Product Documents
Additional Downloads None Listed