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intrinsically-safe vibration sensor, 4 to 20 ma output, 0 to 10 g's rms, 3 to 10k hz, top exit, 2-pin conn

4-20 mA Output Accelerometer

Model EX646B02

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  • CE
  • EX
  • IP

Intrinsically-safe vibration sensor, 4 to 20 mA output, 0 to 10 g's RMS, 3 to 10k Hz, top exit, 2-pin conn

  • Measurement Range: 0.0 to 10 g rms (0.0 to 98.1 m/s² rms)
  • Output: 4-20 mA
  • Frequency Range: (±3dB)180 to 600 kcpm (3 to 10 kHz)
  • Sensing Element: Ceramic
  • Weight: 4.7 oz (131 gm)

Specification Notes

[1] Conversion Factor 1g = 9.81 m/s².
[2] 1Hz = 60 cpm (cycles per minute).
[3] Current will fluctuate at frequencies below 5 Hz.
[4] Typical.
[5] See PCB Declaration of Conformance PS039 or PS053 for details.

English: SI:
Performance
Measurement Range 0.0 to 10 g rms 0.0 to 98.1 m/s² rms [1]
Output 4-20 mA 4-20 mA
Frequency Range (±3 dB) 180 to 600 kcpm 3 to 10 kHz [2] [3]
Broadband Resolution 0.05 g rms 0.49 m/s² rms [4]
Non-Linearity ±1 % ±1 %
Environmental
Temperature Range -40 to 185 °F -40 to 85 °C
Enclosure Rating IP68 IP68
Electrical
Excitation Voltage 12 to 30 VDC 12 to 30 VDC
Load Resistance 50(Vs-12) Ohm 50(Vs-12) Ohm
Settling Time (within 2% of value) <15 sec <15 sec
Electrical Isolation (Case) >100000000 Ohm >100000000 Ohm
Physical
Size - Hex 1.0 in 25.4 mm
Size - Height 2.6 in 66 mm
Weight 4.7 oz 131 gm
Mounting Thread 1/4-28 UNF No Metric Equivalent
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 2-Pin MIL-C-5015 2-Pin MIL-C-5015
Electrical Connection Position Top Top
Electrical Connections (Pin A) 4-20 mA Pos (+) 4-20 mA Pos (+)
Electrical Connections (Pin B) 4-20 mA Neg (-) 4-20 mA Neg (-)

* All specifications are at room temperature unless otherwise specified.

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

Optional Versions

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

English SI
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
Hazardous Area Approval EEx ia IIC T4, -40 ° C ≤ Ta ≤ 80 ° C, II 1 G
(M) Metric Mount
Accessories:
Supplied M081A61 Mounting Stud 1

(RV) Buffered Analog Signal Output - 100 mV/g (±20%)

English SI
Electrical Connector 3-Pin MIL-C-5015 3-Pin MIL-C-5015
Electrical Connections 4-20 mA Pos (+)
Electrical Connections 4-20 mA Neg/Signal Output Neg
Electrical Connections Signal Output Pos