Model : 642A11 | 4-20 mA Output Velocity Sensor

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Industrial vibration sensor, 4 to 20 mA output, 0 to 1 in/sec pk, 3 to 1k Hz, side exit, 10-ft integral cable

  • Measurement Range: 0.0 to 1 in/sec pk (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: 3.8 oz (108 gm)
Additional Configurations:
English: SI:
Performance
Measurement Range 0.0 to 1 in/sec pk 0 to 25.4 mm/s pk [3]
Output 4-20 mA 4-20 mA
Frequency Range (±10 %) 180 to 60000 cpm 3 to 1 kHz [1] [2]
Broadband Resolution 0.005 in/sec pk 0.13 mm/s pk [4]
Non-Linearity ±1 % ±1 %
Environmental
Temperature Range -40 to 185 °F -40 to 85 °C
Electrical
Excitation Voltage 12 to 30 VDC 12 to 30 VDC
Settling Time (within 2% of value) <15 sec <15 sec
Electrical Isolation (Case) >100000000 Ohm >100000000 Ohm
Physical
Size - Hex 7/8 in 22.2 mm
Size - Height 1.41 in 35.8 mm
Weight (without cable) 3.8 oz 108 gm
Mounting Thread 1/4-28 UNF 1/4-28 UNF
Mounting Torque (Stud) 3 to 4 ft-lb 4.1 to 5.4 Nm [5] [6]
Mounting Torque (hex nut) 2 to 3 ft-lb 2.7 to 4.1 Nm
Sensing Element Ceramic Ceramic
Sensing Geometry Shear Shear
Housing Material Stainless Steel Stainless Steel
Sealing Welded Hermetic Welded Hermetic
Electrical Connector Integral Cable Integral Cable
Electrical Connection Position Side Side
Cable Termination Pigtail Ends Pigtail Ends
Electrical Connections (Red) 4-20 mA Pos (+) 4-20 mA Pos (+)
Electrical Connections (Blue) 4-20 mA Neg (-) 4-20 mA Neg (-)
Cable Length 10 ft 3.0 m
Cable Type Polyurethane Polyurethane
* All specifications are at room temperature unless otherwise specified
.


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] 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.


Accessories


Supplied
ICS-4 NIST-traceable single axis amplitude response cal from 0 to +10% freq. (for 4 to 20 mA sensors) 1
080A162 Swivel mounting stud, 3/4-16 to 1/4-28 stud with 1/8" hex socket for installation (for models 607A01 & 608A11) 1


Optional Versions


( EX ) Hazardous Area Approval- contact factory for specific approvals
English SI
Hazardous Area Approval EEx ia IIC T4, -40°C≤Ta≤80°C, II 1 G
Hazardous Area Approval EEx nL 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


( M ) Metric Mount
Accessories:
Supplied M080A163A Accessory for IMI Sensors Product 1


( RV ) Buffered Analog Signal Output - 100 mV/g (±20%)
English SI
Electrical Connections 4-20 mA Pos (+)
Electrical Connections 4-20 mA Neg (-)
Electrical Connections Signal Output Pos
Electrical Connections Signal Output Neg
Electrical Connector Integral Cable