Model: 638A06

$1,165.00 USD
(Pricing valid in US only)

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Cryogenic, industrial, quartz shear ICP accel, 25 mV/g, 4 to 1.5kHz side exit, 2-pin conn.

  • Sensitivity: (±10%) 25 mV/g (2.54 mV/(m/s²))
  • Frequency Range: (±3dB) 240 to 90000 cpm (4 to 1500 Hz)
  • Sensing Element: Quartz
  • Measurement Range: ±200 g (±1962 m/s²)
  • Weight: 6.4 oz (181 gm)

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Sensitivity (±10 %)25 mV/g2.54 mV/(m/s²)[1] 
Measurement Range±200 g±1962 m/s² 
Frequency Range (±5 %)600 to 24000 cpm10 to 400 Hz[2] 
Frequency Range (±3 dB)240 to 90000 cpm4 to 1500 Hz 
Filter TypeLow PassLow Pass 
Electrical Filter Corner Frequency1.5 kHz1.5 kHz 
Electrical Filter Roll-off12 dB/octave12 dB/octave 
Resonant Frequency≥1200 kcpm≥20 kHz[4] 
Broadband Resolution (1 to 10000 Hz)1 mg rms0.01 m/s² rms[4] 
Non-Linearity±1 %±1 %[3] 
Transverse Sensitivity≤5 %≤5 % 
Overload Limit (Shock)1000 g pk9810 m/s² pk 
Temperature Range-320 to +250 °F-196 to +121 °C 
Temperature ResponseSee Graph %/°FSee Graph %/°F[4] 
Settling Time (within 1% of bias)≤3 sec≤3 sec 
Discharge Time Constant0.05 to 0.5 sec0.05 to 0.5 sec 
Excitation Voltage18 to 28 VDC18 to 28 VDC 
Constant Current Excitation1.6 to 20 mA1.6 to 20 mA 
Output Impedance≤100 Ohm≤100 Ohm 
Output Bias Voltage7 to 11 VDC7 to 11 VDC 
Spectral Noise (1 Hz)600 µg/√Hz5890 (µm/sec2)/√Hz 
Spectral Noise (10 Hz)120 µg/√Hz1180 (µm/sec2)/√Hz[4] 
Spectral Noise (100 Hz)36 µg/√Hz355 (µm/sec2)/√Hz[4] 
Spectral Noise (1 kHz)25 µg/√Hz250 (µm/sec2)/√Hz[4] 
Spectral Noise (10 kHz)6 µg/√Hz59 (µm/sec2)/√Hz 
Electrical Isolation≥100000000 Ohm≥100000000 Ohm 
Size - Length2.25 in57.4 mm 
Size - Width1 in25.4 mm 
Size - Height1 in25.4 mm 
Weight6.4 oz181 gm[4] 
Mounting Thread1/4-28 UNF1/4-28 UNF[5] 
Mounting Torque2 to 5 ft-lb2.7 to 6.8 Nm 
Sensing ElementQuartzQuartz 
Sensing GeometryShearShear 
Housing MaterialStainless SteelStainless Steel 
Electrical Connector2-Pin MIL-C-50152-Pin MIL-C-5015 
Electrical Connection PositionSideSide 

All specifications are at room temperature unless otherwise specified.


Product Notes
[1] Conversion Factor 1g = 9.81 m/s².
[2] 1Hz = 60 cpm (cycles per minute).
[3] Zero-based, least-squares, straight line method.
[4] Typical.
[5] 1/4-28 has no equivalent in S.I. units.
[6] Design hydro tested to 1450 psi [10,000 kPa].
[7] See PCB Declaration of Conformance PS023 for details.
081A73Captive mounting bolt 1/4-28 x 1.34"(1)
ICS-6NIST traceable single axis amplitude response calibration from 10 Hz to upper +/- 3dB point.(1)
Optional Versions:
(EX) Hazardous Area Approval- contact factory for specific approvals
(M) Metric Mount
    081M260Accessory for Vibration Division Product(1)
Product Documents
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