PCB-(M)645B00
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PCB-(M)645B00

  • 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 … 1,000 Hz,
  • 2-pin female connector top
basic data
measuring range 0,0 ... 5 g RMS 0.0 ... 49 m / sRMS [3]
output range 4 ... 20 mA
Frequency range (± 10%) 180 ... 60,000 cpm 3 ... 1000 Hz [1] [2]
Broadband resolution 0.025 g RMS 0.24 m / s RMS [4]
linearity error ± 1%
Operating conditions
temperature range -40 ... 185 ° F -40 ... 85 ° C
Technical characteristics
supply voltage 12 ... 30 V DC
Settling time (on the range within ± 2% of full scale) <15 s
Electrical insulation (housing) > 100 M
physical properties
Size - Hexagon 1.0 in 25.4 mm
Size - Height 2.6 in 66 mm
Dimensions 4.7 oz 131 grams
mounting thread 1/4 "-28 UNF No metric equivalent
mounting torque 3 ... 5 ft-lb 4 ... 7 Nm
sensor element ceramics
Geometry of the sensor element shear principle
housing material stainless steel
seal Hermetically sealed
electrical connection 2-pin socket (MIL-C-5015)
port location Above
Pin assignment (pin A) Output signal 4 ... 20 mA positive
Pin assignment (pin B) Output signal 4 ... 20 mA negative
Hints
[1] 1 Hz = 60 cpm ( "Cycles Per min": revolutions per minute).
[2] At frequencies below 5 Hz, the output signal varies.
[3] Conversion factor 1 g = 9,81 m / s²
[4] typically,
[5] Details: see PCB Declaration of Conformance PS039 and PS053
included supply
081A40 Mounting bolt with 1/4 "-28 thread -1
ICS-4 Frequency response for uniaxial transducers of 0 cpm (0 Hz) up to the upper 10% -frequency for vibration transmitter -1
(EX) ATEX Certified
Approval for explosive atmospheres DIV II, CL I, GRPS AD, ExnL, AExnA, IIC T4
Approval for explosive atmospheres Ex ia IIC T4, -40 ° C?Ta?80 ° C, 1 II G
Approval for explosive atmospheres EEx nL IIC T4, -40 ° C?Ta?80 ° C, II 3 G
Approval for explosive atmospheres DIV I, CL I, II, III, GRPS AG, Exia, aeXia, IIC T4
(M) Metric assembly
included supply
M081A61 Metrics mounting bolts with thread M6 -1
(RV) raw signal output - 100 mV / 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 ... 20 mA negative
Pin assignment (pin C) raw signal positive
PCB-(M)645B00

Specific References

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645B00_drawing.PDF

Technical drawing

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645B00_manual.PDF

Operating instructions

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645B00_specs.PDF

Technical data sheet

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