Log In

Log In

Need an Account? Start Here


Model: TO641B32

Add to Cart for Quote

Model 641B32 with temp. output (TO) option, 4 to 20 mA signal for 0 to 2.0 in/sec RMS and 4 to 20 mA signal for -40 to +257 F, top exit, 4-pin bayonet conn.

  • Measurement Range: 0.0 to 2.0 in/sec rms (0.0 to 50.8 mm/s rms)
  • Output: 4-20 mA
  • Frequency Range: (±10%) 600 to 60000 cpm (10 to 1 kHz)

Add this product to my product comparison
Compare selected models ()

Measurement Range (Vibration)0.0 to 2.0 in/sec rms0.0 to 50.8 mm/s rms[3] 
Measurement Range (Temperature)-40 to 257 °F-40 to 125 °C[4] 
Output4-20 mA4-20 mA 
Frequency Range (±10 %)600 to 60000 cpm10 to 1 kHz[1][2] 
Broadband Resolution0.01 in/sec rms0.26 mm/s rms[5] 
Non-Linearity1 %1 % 
Temperature Range-40 to 185 °F-40 to 85 °C[4] 
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 - Height2.60 in66.0 mm 
Weight4.7 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-Pin Bayonet4-Pin Bayonet 
Electrical Connection PositionTopTop 
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] Vibration 4-20mA output accuracy is limited to 185°F (85°C)
[5] Typical value.
[6] See PCB Declaration of Conformance PS039 for details.
081A40Mounting 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
    M081A61Mounting Stud(1)
Product Documents
Additional Downloads