PCB-(M)645B01
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PCB-(M)645B01

  • 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,
  • 2-pin female connector top
  • "
    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 MΩ
    physical properties
    size - hex 1.0 in 25.4mm
    size - height 2.6 in 66 mm
    weight 4.7 oz 131 grams
    mounting thread 1/4 "-28 UNF No metric equivalent
    Assembly torque 3 … 5 ft-lb 4 … 7 Nm
    sensor element ceramics"
    Geometry of the sensor element shear principle
    housing material stainless steel
    Sealing hermetically sealed welded
    Electrical connection 2-pin connector (MIL-C-5015)
    connection position above
    pin assigNment (PIN A ) Output signal 4 … 20 mA positive
    pin assigNment (PIN B) output signal 4 … 20mA negative
    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
    Temperature range (maximum) 176 ° F 80 ° C
    approval for use in potentially explosive atmospheres DIV II, CL I, GRPS A-D, ExnL, AExnA, IIC T4
    Approval for use in potentially explosive atmospheres EEx ia IIC T4,-40 ° C ≤ Ta ≤ 80 ° C, II 1 G
    approval for explosionsgefä endangered atmospheres EEx nL IIC T4,-40 ° C ≤ Ta ≤ 80 ° C, II 3 G
    Approval for use in potentially explosive atmospheres DIV I, CL I, II, III, GRPS A-G, ExIA, AExia, IIC T4
    (RV) raw signal output≥ 100 MΩ/g (±20%)
    electrical connection 3-Pin MIL-C-5015
    pin assigNment (PIN A) output signal 4 … 20 mA positive
    Pin assigNment (PIN B) output signal 4 … 20mA negative
    pin assigNment (PIN C) raw signal positive
    (M) metric mounting
    equipment
    M081A61 metric mounting bolts with M6 thread -1
    PCB-(M)645B01

    Specific References

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    645B01_drawing.PDF

    Technical drawing

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    645B01_manual.PDF

    Operating instructions

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    645B01_specs.PDF

    Technical data sheet

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