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

  • Triaxial industrial ICP® vibration sensor,
  • With drill through,
  • Measurement range 50 g,
  • Sensitivity 100 mV/g,
  • Frequency range 0.5... 10,000 Hz,
  • Frequency response calibration,
  • M12 connector on the side
<? 100 M?/g
Specifications
Basic dataEnglish unitsSI units 
Sensitivity (±10 %) 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  
Resonance frequency ≥25. 000 Hz  
Wide band resolution (1... 10,000 Hz) 0.0003 g rms 0.003 m/s² rms [2]
Linearity error ≤1 % [3]
Transverse acceleration sensitivity ≤5 %  
Conditions of use
Overload limit (shock) ±5.000 g pk  
Temperature range (operation) -65... 250 ° F -54... 121 ° C  
Influence of temperature on Temperature coefficient of sensitivity See curve below [2]
Technical identificationdata
power 18... 30 V DC  
constant power supply 2... 20 mA  
output impedance ≤150 Ω  
Bias voltage 8... 12 V DC  
discharging charging time constant ≥0,32 s  
settling time (on area within ±10% of the bias voltage) < 2s  
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 ceramic  
Geometry of the sensor element shear principle  
Housing material stainless steel  
sealing hermetic  
Size - height 0.72 in 18.3 mm  
Size - length 0.95 in 24.1 mm  
Size - width 0.95 in 24.1 mm  
Dimensions (maximum) 3.0 oz 85 grams [2]
Electrical connection 4-pin M12 connector  
Connecting position On the side  
Fixing Through hole  
Notes
[1] Conversion factor 1 g = 9.81 m/s²    
[2] Typically    
[3] Zero-balance just, determined using the method of least squares    
[4] Details: See PCBs Declaration of conformance PS023    
Included accessories
081A56 Mounting screw 1/4 "-28 x 0.75" (1)
ACS-1T Frequency response for Triaxial accelerometer, traceable to NIST, 10 Hz up to the upper 5%-Frequenz (1)
ACS-4T Low frequency calibration (phase and amplitude) (1)
PCB-(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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