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
    range 0,0 … 5 g RMS 0.0 … 49 m/s² RMS [1]"
    Output area 4 … 20 mA
    frequency range (± 10%) 180 … 300,000 cpm 3 … 5,000 Hz [2] [3]
    Wide band resolution 0.025 g RMS 0.24 m/s² RMS [4]
    Linearity error ≤1%
    conditions of use
    temperature range -40 … 185 ° F -40 … 85 ° C
    technical Properties
    power 12 … 30 V DC
    settling time (area within ±2% of full scale) <15 s
    electrical insulation (housing) > 100,000,000 Ω
    physical properties
    size -. Allen 1.0 in 25.4 mm
    size - height 4.2 in 107 mm
    dimensions (without cable) 4.7 oz 131 grams
    Mounting thread 1/4 "-28 UNFNo metric equivalent
    Assembly torque 3 … 5 ft-lb 4 … 7 Nm
    sensor element ceramic
    geometry the sensor element shear principle
    housing material stainless steel
    sealing hermetically sealed welded
    Electrical connection integrated cable
    cable outlet top
    Terminal assigNment (red wire) output signal 4 … 20 mA positive
    pin assigNment (blue wire) output signal 4 … 20mA negative
    Cable length 10 ft 3.0 m
    cable type polyurethane
    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
    081A40 mounting bolts with 1/4 "-28 thread" -1
    ICS-4 frequency 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 atmospheres EEx ia IIC T4,-40 ° C ≤ Ta ≤ 80 ° C, II 1 G
    approval for use in potentially explosive atmospheres EEx nL IIC T4,-40 ° C ≤ Ta ≤ 80 ° C, II 3 G
    approval for use in potentially explosive atmospheres DIV I, CLI, II, III, GRPS A-G, ExIA, AExia, IIC T4
    approval for use in potentially explosive atmospheres DIV II, CL I, GRPS A-D, ExnL, AExnA, IIC T4
    (RV) Raw signal output≥ 100 MΩ/g (±20%)
    electrical connection integrated cable
    connections (red wire) output signal 4 … 20 mA positive
    (Black wire) pin assigNment output signal 4 … 20mA negative
    pin assigNment (white wire) raw signal positive
    Pin assigNment (green wire) raw signal negative
    (M) metric mounting
    equipment
    M081A61 metric 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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