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cryogenic, quartz shear icp® accel., 50 mv/g, 1 to 4k hz, 10-32 side conn. (-320 to +250 f/-196 to +121 c)

Accelerometer, ICP®

Model 351B31

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  • IP

Cryogenic, quartz shear ICP® accel., 50 mV/g, 1 to 4k Hz, 10-32 side conn. (-320 to +250 F/-196 to +121 C)

  • Sensitivity: (±10%)50 mV/g (5.10 mV/(m/s²))
  • Measurement Range: ±30 g pk (±294 m/s² pk)
  • Broadband Resolution: 0.002 g rms (0.02 m/s² rms)
  • Frequency Range: (±5%)1 to 4000 Hz
  • Sensing Element: Quartz
  • Weight: 0.7 oz (20 gm)

Specification Notes

[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] Transverse sensitivity is typically ≤ 3%.
[2] Typical.
[4] See PCB Declaration of Conformance PS023 for details.

English: SI:
Performance
Sensitivity (±10 %) 50 mV/g 5.10 mV/(m/s²)
Measurement Range ±30 g pk ±294 m/s² pk
Frequency Range (±5 %) 1 to 4000 Hz 1 to 4000 Hz
Frequency Range (±10 %) 0.7 to 7000 Hz 0.7 to 7000 Hz
Frequency Range (±3 dB) 0.35 to 10000 Hz 0.35 to 10000 Hz
Resonant Frequency ≥22 kHz ≥22 kHz
Broadband Resolution 0.002 g rms 0.02 m/s² rms [2]
Non-Linearity 1 % 1 % [1]
Transverse Sensitivity ≤5 % ≤5 % [3]
Environmental
Overload Limit ±2000 g pk ±19620 m/s² pk
Temperature Range -320 to +250 °F -196 to +121 °C
Temperature Response See Graph %/°F See Graph %/°F [2]
Base Strain Sensitivity <0.0002 g/µε <0.002 (m/s²)/µε [2]
Electrical
Excitation Voltage 20 to 30 VDC 20 to 30 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Output Impedance ≤200 Ohm ≤200 Ohm
Output Bias Voltage 3 to 10 VDC 3 to 10 VDC
Discharge Time Constant >0.5 sec >0.5 sec
Spectral Noise (10 Hz) 44 µg/√Hz 431 (µm/sec2)/√Hz [2]
Spectral Noise (100 Hz) 12 µg/√Hz 121 (µm/sec2)/√Hz [2]
Spectral Noise (1 kHz) 3.2 µg/√Hz 31 (µm/sec2)/√Hz [2]
Spectral Noise (1 Hz) 200 µg/√Hz 1960 (µm/sec2)/√Hz [2]
Electrical Isolation None (Optional) Ohm None (Optional) Ohm
Physical
Size - Hex 0.75 in 19.1 mm
Weight 0.7 oz 20 gm [2]
Sensing Element Quartz Quartz
Size - Height 0.85 in 21.6 mm
Sensing Geometry Shear Shear
Housing Material Titanium Titanium
Sealing Welded Hermetic Welded Hermetic
Electrical Connector 10-32 Coaxial Jack 10-32 Coaxial Jack
Electrical Connection Position Side Side
Mounting Thread 10-32 Female 10-32 Female

* All specifications are at room temperature unless otherwise specified.

TempChart

Accessories
Supplied
081B05 Mounting stud, 10-32 to 10-32, 0.275" long, BeCu w/shoulder 1
ACS-1 Single axis amplitude response calibration from 10 Hz to upper 5% frequency, NIST traceable 1
M081B05 Mounting stud, 10-32 to M6x0.75-6g, 0.275" long, BeCu 1

Optional Versions

(J) Ground Isolated

English SI
Frequency Range 4 4
Frequency Range 6 6
Resonant Frequency 18 18
Electrical Isolation >100000000
Size - Height 0.90 22.9
Size - Hex 0.75 19.1