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Model: 626A04

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Seismic, low frequency, ceramic flexural ICP® accel, 10 V/g, 0.03 to 500 Hz, top exit, 2-pin conn., frequency sweep ISO 17025 accredited calibration

  • Sensitivity: (±5%) 10 V/g (1.02 V/(m/s²))
  • Measurement Range: ±0.5 g (±4.9 m/s²)
  • Frequency Range: (±3dB) 2 to 30000 cpm (0.04 to 500 Hz)
  • Weight: 22 oz (624 gm)
  • Sensing Element: Ceramic

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Sensitivity (±5 %)10 V/g1.02 V/(m/s²)[1] 
Measurement Range±0.5 g±4.9 m/s² 
Frequency Range (±5 %)6 to 12000 cpm0.1 to 200 Hz[2][4] 
Frequency Range (±10 %)4 to 18000 cpm0.07 to 300 Hz 
Frequency Range (±3 dB)2 to 30000 cpm0.04 to 500 Hz 
Resonant Frequency60 kcpm1 kHz[5] 
Broadband Resolution (1 to 10000 Hz)0.5 µg5.0 µm/sec2[5] 
Non-Linearity±1 %±1 %[3] 
Transverse Sensitivity≤5 %≤5 % 
Overload Limit (Shock)±40 g±392 m/s² 
Temperature Range0 to +150 °F-18 to +65 °C 
Temperature ResponseSee Graph See Graph  
Excitation Voltage24 to 28 VDC24 to 28 VDC 
Constant Current Excitation2 to 10 mA2 to 10 mA 
Output Impedance<500 Ohm<500 Ohm 
Output Bias Voltage8 to 12 VDC8 to 12 VDC 
Discharge Time Constant≥5 sec≥5 sec 
Settling Time (within 1% of bias)≤5 min≤5 min 
Spectral Noise (1 Hz)0.06 µg/√Hz0.60 (µm/sec2)/√Hz[5] 
Spectral Noise (10 Hz)0.02 µg/√Hz0.20 (µm/sec2)/√Hz[5] 
Spectral Noise (100 Hz)0.01 µg/√Hz0.10 (µm/sec2)/√Hz[5] 
Electrical Isolation>100000000 Ohm>100000000 Ohm 
Electrical ProtectionRFI/ESDRFI/ESD 
Sensing ElementCeramicCeramic 
Sensing GeometryFlexuralFlexural 
Housing MaterialStainless SteelStainless Steel 
SealingWelded HermeticWelded Hermetic 
Size - Diameter2-1/4 in57.2 mm 
Size - Height2.8 in53.3 mm 
Weight22 oz624 gm 
Electrical Connector2-Pin MIL-C-50152-Pin MIL-C-5015 
Electrical Connection PositionTopTop 
Mounting Thread1/4-28 FemaleNo Metric Equivalent[6] 
Mounting Torque2 to 5 ft-lb2.7 to 6.8 Nm 

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] The high frequency tolerance is accurate within ±10% of the specified frequency.
[5] Typical value.
[6] 1/4-28 has no equivalent in S.I. units.
[7] See PCB Declaration of Conformance PS023 for details.
081A40Mounting Stud(1)
ICS-1NIST-traceable single-axis amplitude response calibration from 600 cpm (10 Hz) to upper 5% frequency(1)
Optional Versions:
(M) Metric Mount
    M081A61Mounting Stud(1)
Product Documents
Additional Downloads