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intrinsically-safe, dual output (vibration/temperature) vibration sensor, 4 to 20 ma output, 0 to 1.0 in/sec rms, 10 to 1k hz, top exit, 4-pin bayonet conn

4-20 mA Output Velocity Sensor with Temperature

Model EXTO641B31

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  • CE
  • EX
  • IP

Intrinsically-safe, dual output (vibration/temperature) vibration sensor, 4 to 20 mA output, 0 to 1.0 in/sec RMS, 10 to 1k Hz, top exit, 4-pin bayonet conn

  • Measurement Range: 0.0 to 1.0 in/sec rms (0.0 to 25.4 mm/s rms)
  • Output: 4-20 mA
  • Frequency Range: (±10%)600 to 60000 cpm (10 to 1 kHz)
  • Sensing Element: Ceramic
  • Weight: 4.7 oz (131 gm)

Specification 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 for details.

English: SI:
Performance
Measurement Range (Vibration) 0.0 to 1.0 in/sec rms 0.0 to 25.4 mm/s rms [3]
Measurement Range (Temperature) -40 to 257 °F -40 to 125 °C [5]
Output 4-20 mA 4-20 mA
Frequency Range (±10 %) 600 to 60000 cpm 10 to 1 kHz [1] [2]
Broadband Resolution 0.005 in/sec rms 0.13 mm/s rms [4]
Non-Linearity 1 % 1 %
Environmental
Temperature Range -40 to 185 °F -40 to 85 °C [5]
Electrical
Excitation Voltage 12 to 30 VDC 12 to 30 VDC
Settling Time <15 sec <15 sec
Electrical Isolation (Case) >100000000 Ohm >100000000 Ohm
Physical
Size - Hex 1.00 in 25.4 mm
Size - Height 2.60 in 66.0 mm
Weight 4.7 oz 131 gm
Mounting Thread 1/4-28 UNF 1/4-28 UNF
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 4-Pin Bayonet 4-Pin Bayonet
Electrical Connection Position Top Top
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.

Accessories
Supplied
ICS-4 NIST-traceable single axis amplitude response cal from 0 to +10% freq. (for 4 to 20 mA sensors) 1
081A40 Mounting stud, 1/4-28 x 0.438" long stainless steel screw with hex socket and brass tip 1

Optional Versions

(EX) Hazardous Area Approval- contact factory for specific approvals

English SI
Hazardous Area Approval Ex nA 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
Hazardous Area Approval DIV II, CL I, GRPS A-D, ExnL, AExnA, IIC T4
Hazardous Area Approval Ex ia IIC T4, -40°C≤Ta≤80°C, II 1 G
(M) Metric Mount
Accessories:
Supplied M081A61 Mounting Stud 1