PCB-(M)645B11
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      PCB-(M)645B11

    • Vibration transmitter with power output according to
      the RMS of vibration acceleration,
    • measuring range 0 … 5 g RMS,
    • output range 4 … 20 mA,
    • frequency range 3 … 5,000 Hz,
    • integrated Connection cable, length 3 m,
      ending on cut end
    • ""
      basic data
      range0,0 … 5 g RMS0.0 … 49 m/s² RMS[1]"
      Output area4 … 20 mA
      frequency range (± 10%)180 … 300,000 cpm3 … 5,000 Hz[2] [3]
      Wide band resolution0.025 g RMS0.24 m/s² RMS[4]
      Linearity error≤1%
      conditions of use
      temperature range-40 … 185 ° F-40 … 85 ° C
      technical Properties
      power12 … 30 V DC
      settling time (area within ±2% of full scale)<15 s
      electrical insulation (housing)> 100,000,000 Ω
      physical properties
      size -. Allen1.0 in25.4 mm
      size - height4.2 in107 mm
      dimensions (without cable)4.7 oz131 grams
      Mounting thread1/4 "-28 UNFNo metric equivalent
      Assembly torque3 … 5 ft-lb4 … 7 Nm
      sensor elementceramic
      geometry the sensor elementshear principle
      housing materialstainless steel
      sealinghermetically sealed welded
      Electrical connectionintegrated cable
      cable outlettop
      Terminal assigNment (red wire)output signal 4 … 20 mA positive
      pin assigNment (blue wire)output signal 4 … 20mA negative
      Cable length10 ft3.0 m
      cable typepolyurethane
      notes
      []1]conversion factor 1 g = 9.81 m/s²
      [2]at frequencies below 5 Hz, the output signal fluctuates.
      [3]1 Hz 60 = cpm ("Cycles Per Minute": rpm).
      [4]typically
      [5]details: see PCB Declaration of Conformance PS039 and PS053
      equipment
      081A40mounting bolts with 1/4 "-28 thread"-1
      ICS-4frequency response cpm for uniaxial sensors from 0 (0 Hz) up to the upper 10% frequency of vibration transmitter-1
      (EX) with ATEX approval
      Approval for use in potentially explosive atmospheresEEx ia IIC T4,-40 ° C ≤ Ta ≤ 80 ° C, II 1 G
      approval for use in potentially explosive atmospheresEEx nL IIC T4,-40 ° C ≤ Ta ≤ 80 ° C, II 3 G
      approval for use in potentially explosive atmospheresDIV I, CLI, II, III, GRPS A-G, ExIA, AExia, IIC T4
      approval for use in potentially explosive atmospheresDIV II, CL I, GRPS A-D, ExnL, AExnA, IIC T4
      (RV) Raw signal output≥ 100 MΩ/g (±20%)
      electrical connectionintegrated cable
      connections (red wire)output signal 4 … 20 mA positive
      (Black wire) pin assigNmentoutput signal 4 … 20mA negative
      pin assigNment (white wire)raw signal positive
      Pin assigNment (green wire)raw signal negative
      (M) metric mounting
      equipment
      M081A61metric mounting bolts with M6 thread-1
      PCB-(M)645B11

      Specific References

      Download

      645B11_drawing.PDF

      Technical drawing

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      645B11_manual.PDF

      Operating instructions

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      645B11_specs.PDF

      Technical data sheet

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