PCB-(M)639A91

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 rms0.003 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 sensitivitySee curve below[2]
Technical identificationdata
power18... 30 V DC 
constant power supply2... 20 mA 
output impedance≤150 Ω 
Bias voltage8... 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/√Hz883 (µm/s²)/√Hz[1] [2]
spectral noise (10 Hz)20 µg/√Hz196 (µm/s²)/√Hz[1] [2]
spectral noise (100 Hz)10 µg/√Hz98.1 (µm/s²)/√Hz[1] [2]
Spectral noise (1,000 Hz)3.0 µg/√Hz29.4 (µm/s²)/√Hz[1] [2]
Electrical insulation (housing)≥100 MΩ 
physical properties
Sensor elementceramic 
Geometry of the sensor elementshear principle 
Housing materialstainless steel 
sealinghermetic 
Size - height0.72 in18.3 mm 
Size - length0.95 in24.1 mm 
Size - width0.95 in24.1 mm 
Dimensions (maximum)3.0 oz85 grams[2]
Electrical connection4-pin M12 connector 
Connecting positionOn the side 
FixingThrough 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
081A56Mounting screw 1/4 "-28 x 0.75"(1)
ACS-1TFrequency response for Triaxial accelerometer, traceable to NIST, 10 Hz up to the upper 5%-Frequenz(1)
ACS-4TLow frequency calibration (phase and amplitude)(1)

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