PCB-(M)621B40
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PCB-(M)621C40

  • Industrial ICP®-miniature vibration sensor,
  • Measuring range 500 g
  • Sensitivity 10 mV / g,
  • Frequency range 1.6 … 30,000 Hz,
  • Frequency response calibration,
  • 5-44 female connector above
Specifications
Basic dataEnglish unitsSI units 
Sensitivity (± 10%) 10 mV/g 1,02 mV/(m/s²) [1]
Measuring range ±500 g ±4.905 m/s²
Frequency range (± 10%) 204 … 1.080.000 cpm 3,4 … 18.000 Hz [3][5]
Frequency range (± 3 dB) 96 … 1.800.000 cpm 1,6 … 30.000 Hz [3][5]
Resonance frequency 5.100 kcpm 85.000 Hz [4][6]
Broadband resolution 1,2 mg rms 1,176 µm / s² [4]
Linearitätsfehler ±1 % [2]
Lateral acceleration sensitivity ≤5 %
Conditions of use
Overload limit (shock) 10,000 g pk 98.100 m/s²pk
Temperature range -65 … 250 °F -54 … 121 °C [4]
Technical characteristics
Settling time (to bias voltage ± 1%) ≤3,0 s
Discharge time constant ≥0,1 s
Supply voltage 18 … 28 VDC
Constant current supply 2… 20 mA
Output impedance <100 Ω
Bias voltage 8 … 12 VDC
Spectral noise (10 Hz) 100 µg/√Hz 980 (µm / s²) / √Hz [4]
Spectral noise (100 Hz) 30 µg/√Hz 294 (µm / s²) / √Hz [4]
Spectral noise (1,000 Hz) 10 µg/√Hz 98.1 (µm / s²) / √Hz [4]
Physical characteristics
Size - hexagon 3/8 in 9,6 mm
Size - height 0,66 in 16,8 mm
Mass 0,10 oz 2.8 grams [7]
Mounting thread 5-40 male M3 x 0.50 male
Assembly torque 18 … 20 in-lb 203 … 226 Ncm
Sensor element Ceramics
Geometry of the sensor element Scherprinzip
Housing material Titan
seal Hermetically sealed
Electrical connection 5-44 coaxial connector
Connection position Above

Hints
[1] Conversion factor 1 g = 9.81 m / s²
[2] Zero-based best-fit line, determined using the least squares method
[3] Tolerance of the upper limit frequency: ± 10%
[4] Typical value
[5] Frequency response with adhesive fastening
[6] Nominal resonance frequency (mounted) without the use of a mounting magnet
[7] Typical
[8] Details: siehe PCB Declaration of Conformance PS023

Optional accessories
ICS-6 NIST traceable uniaxial calibration from 10 Hz to the upper 3 dB point (1)

Available options
(M) Metric mounting
(EX) Approvals for potentially explosive areas
PCB-(M)621B40

Specific References

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621B40_drawing.PDF

Technical drawing

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621B40_manual.PDF

Operating instructions

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621B40_specs.PDF

Technical data sheet

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