Cryogenic Accelerometer ICP® Model 351B31
Cryogenic, quartz shear ICP® accel., 50 mV/g, 1 to 4k Hz,
10-32 side conn. (-196 to +121C).
- 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)
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ENG |
SI |
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Performance |
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Sensitivity (±10 %) |
50 mV/g |
5.1 mV/(m/s²) |
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Measurement Range |
±30 g pk |
±294 m/s² pk |
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Frequency Range (±5 %) |
1 to 4000 Hz |
1 to 4000 Hz |
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Frequency Range (±10 %) |
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Frequency Range (±3 dB) |
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Resonant Frequency |
≥22 kHz |
≥22 kHz |
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Broadband Resolution (1) [2] |
0.002 g rms |
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Non-Linearity [1] |
≤1 % |
≤1 % |
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Transverse Sensitivity [3] |
≤5 % |
≤5 % |
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Environmental |
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Overload Limit (Shock) |
±2000 g pk |
±19620 m/s² pk |
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Temperature Range (Operating) |
-320 to +250 °F |
-196 to +121 °C |
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Temperature Response [2] |
See Graph %/°F |
See Graph %/°F |
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Base Strain Sensitivity [2] |
0.0002 g/µε |
0.002 (m/s²)/µε |
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Electrical |
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Excitation Voltage |
20 to 30 VDC |
20 to 30 VDC |
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Constant Current Excitation |
2 to 20 mA |
2 to 20 mA |
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Output Impedance |
≤200 Ohm |
≤200 Ohm |
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Output Bias Voltage |
3 to 10 VDC |
3 to 10 VDC |
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Discharge Time Constant |
>0.5 sec |
>0.5 sec |
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Spectral Noise (10 Hz) [2] |
44 µg/√Hz |
431 (µm/sec2)/√Hz |
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Spectral Noise (100 Hz) [2] |
12 µg/√Hz |
121 (µm/sec2)/√Hz |
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Spectral Noise (1 kHz) [2] |
3.2 µg/√Hz |
31 (µm/sec2)/√Hz |
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Physical |
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Weight [2] |
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20 gm |
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Sensing Element |
Quartz |
Quartz |
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Sensing Geometry |
Shear |
Shear |
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Housing Material |
Titanium |
Titanium |
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Sealing |
Welded Hermetic |
Welded Hermetic |
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Electrical Connector |
10-32 Coaxial Jack |
10-32 Coaxial Jack |
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Electrical Connection Position |
Side |
Side |
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Mounting Thread |
10-32 Female |
10-32 Female |
* All specifications are at room temperature unless otherwise specified.
Specification Notes
[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] Transverse sensitivity is typically ≤ 3%.
[4] See PCB Declaration of Conformance PS023 for details.
Accessories
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Supplied |
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081B05 |
Mounting stud, 10-32 to 10-32, 0.275" long, BeCu w/shoulder |
1 |
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ACS-1 |
Single axis amplitude response calibration from 10 Hz to upper 5% frequency, NIST traceable |
1 |
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M081B05 |
Mounting stud, 10-32 to M6x0.75-6g, 0.275" long, BeCu |
1 |
Optional Versions
(J) Ground Isolated
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ENG |
SI |
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Frequency Range |
4000 Hz |
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Frequency Range |
6000 Hz |
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Resonant Frequency |
18 kHz |
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Size - Hex |
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19.1 mm |
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Size - Height |
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22.9 mm |
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Electrical Isolation |
>100000000 Ohm |
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