PCB-(M)645B12

PCB-(M)645B12

  • 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 … 10,000 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 … 600,000 cpm3 … 10,000 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 atmospheresDIV 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 use in potentially explosive atmospheresEEx nL IIC T4, -.40 ° C ≤ Ta ≤ 80 ° C, II 3 G
    approval for use in potentially explosive atmospheresDIV I, CL I, II, III, GRPS A-G, ExIA, AExia, 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

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