PCB-EX(M)639A91
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PCB-EX(M)639A91

  • Triaxial industrial ICP® vibration sensor, 
  • With through hole, 
  • Measuring range 50 g, 
  • Sensitivity 100 mV / g, 
  • Frequency range 0.5 ... 10.000 Hz, 
  • Frequency calibration, 
  • M12 connection socket on the side
specifications
basic dataEnglish unitsSI units 
Sensitivity (± 10%) 100 mV/g 10,2 mV/(m/s²) [1]
measuring range ± 50 g pk ±491 m/s² pk
Frequency range (± 5%) 8,0 … 5.500 Hz
Frequency range (± 3 dB) 0,5 … 10.000 Hz
resonant frequency ≥25.000 Hz
Broadband resolution (1 ... 10,000 Hz) 0,0003 g rms 0,003 m/s² rms [2]
linearity error ≤1 % [3]
Lateral acceleration sensitivity ≤5 %
Operating conditions
Overload limit (shock) ± 5.000 g pk
Temperature range (operation) -65 … 250 °F -54 … 121 °C
Temperature influence on the sensitivity See curve below [2]
Technical characteristics
supply voltage 18 … 30 VDC
Constant current supply 2… 20 mA
output impedance ≤150 Ω
Bias voltage 8 … 12 VDC
discharging ≥0,32 s
Settling time (within ± 10% of the bias voltage) <2 s
Spectral noise (1 Hz) 90 µg/√Hz 883 (µm/s²)/√Hz [1][2]
Spectral noise (10 Hz) 20 µg/√Hz 196 (µm/s²)/√Hz [1][2]
Spectral noise (100 Hz) 10 µg/√Hz 98,1 (µm/s²)/√Hz [1][2]
Spectral noise (1,000 Hz) 3,0 µg/√Hz 29,4 (µm/s²)/√Hz [1][2]
Electrical insulation (housing) ≥100 MΩ
Physical properties
sensor element ceramics
Geometry of the sensor element Scherprinzip
housing material stainless steel
seal Hermetically sealed
Size - height 0,72 in 18,3 mm
Size - length 0,95 in 24,1 mm
Size - width 0,95 in 24,1 mm
Mass (maximum) 3,0 oz 85 grams [2]
Electrical connection 4-pin connector M12
port location Laterally
attachment Through Hole

16884_16.gifcenelec.gifCEMark.gif[4]

Hints
[1] Conversion factor 1 g = 9,81 m / s²
[2] typically,
[3] Zero-based balancing line, determined by the least squares method
[4] Details: siehe PCB Declaration of Conformance PS023

included supply
081A56 Montageschraube 1/4"-28 x 0,75" (1)
ACS-1T Frequency response for triaxial transducers, traceable to NIST, 10 Hz to the upper 5% frequency (1)
PCB-EX(M)639A91

Specific References

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639A91_drawing.PDF

Technical drawing

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639A91_manual.PDF

Manual

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639A91_specs.PDF

Specifications

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