PCB-638A06

PCB-638A06

  • Industrial ICP® vibration sensor, 
  • Quartz sensor element, 
  • Mounting via through-hole, 
  • Temperature range -196 ... +121 ° C, 
  • Measuring range 200 g, 
  • Sensitivity 25 mV / g, 
  • Frequency range 0.4 ... 1500 Hz, 
  • 2-pin connection socket on the side

specifications
basic dataEnglish unitsSI units 
Sensitivity (± 10%)25 mV/g2,54 mV/(m/s²)[2]
measuring range±200 g±1962 m/s²
Frequency range (± 5%)600 … 24.000 cpm10 … 400 Hz[3]
Frequency range (± 3 dB)240 … 90.000 cpm4 … 1.500 Hz
resonant frequency1.200 kcpm20.000 Hz[1]
Broadband resolution1 µg0,01 µm/s²[1]
linearity error±1 %[4]
Lateral acceleration sensitivity≤5 %
Operating conditions
Overload limit (shock)1000 g pk9.810 m/s²pk
temperature range-320 … 250 °F-196 … 121 °C
Technical characteristics
Settling time (on bias voltage ± 1%)≤3,0 s
discharging≥0,05 s≥0,5 s
supply voltage18 … 28 VDC
Constant current supply1,6… 20 mA
output impedance<100 Ω
Bias voltage7 … 11 VDC
Spectral noise (1 Hz)600 µg/√Hz5890 (µm/s²)/√Hz
Spectral noise (10 Hz)120 µg/√Hz1180 (µm/s²)/√Hz[1]
Spectral noise (100 Hz)36 µg/√Hz355 (µm/s²)/√Hz[1]
Spectral noise (1 kHz)25 µg/√Hz250 (µm/s²)/√Hz[1]
Spectral noise (10 kHz)6 µg/√Hz59 (µm/s²)/√Hz
Electrical insulation (housing)>100 MΩ
Physical properties
Size - length2,25 in57,4 mm
Size - width1 in25,4 mm
Size - height1 in25,4 mm
Mass6,4 oz181 grams[1]
mounting thread1/4"-28No metric equivalent[5]
Montagedrehmoment2 … 5 ft-lb2,7 … 6,8 Nm
sensor elementQuartz
Geometry of the sensor elementScherprinzip
housing materialstainless steel
sealHermetically sealed[6]
Electrical connection2 pin socket (MIL-C-5015)
port locationLaterally

[7]

Hints
[1]typically,
[2]Conversion factor 1 g = 9,81 m / s²
[3]1Hz = 60 cpm (cycles per minute)
[4]Zero-based balancing line, determined by the least squares method
[5]1/4-28 has no equivalent in S.I. units
[6]Design hydro tested to 1450 psi [10,000 kPa]
[7]Details: siehe PCB Declaration of Conformance PS023 und PS060

included supply
081A73Mounting bolt with 1/4 "-28 thread(1)
ICS-6Frequency response for uniaxial transducers from 10 Hz to the upper ± 3dB point(1)

Available options
(M) Metric montage
081M260Accessory for Vibration Division Product(1)

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