Accelerometer ICP® Model 393C31
Seismic, high sensitivity, ceramic flexural ICP® accel., 10 V/g,
0.1 to 200 Hz, 2-pin top conn.
- Sensitivity: (±5%) 10 V/g (1.02 V/(m/s²))
- Measurement Range: ±0.5 g pk (±4.9 m/s² pk)
- Broadband Resolution: 0.2 µg rms (2.0 µm/sec2 rms)
- Frequency Range: (±5%) 1 to 200 Hz
- Sensing Element: Ceramic
- Weight: 26.4 oz (748 gm)
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ENG |
SI |
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Performance |
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Sensitivity (±5 %) [3] |
10 V/g |
1.02 mV/(m/s²) |
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Measurement Range |
±0.5 g pk |
±4.9 m/s² pk |
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Frequency Range (±5 %) |
0.1 to 200 Hz |
0.1 to 200 Hz |
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Frequency Range (±10 %) |
0.07 to 300 Hz |
0.07 to 300 Hz |
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Resonant Frequency |
≥700 Hz |
≥700 Hz |
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Broadband Resolution (1) [2] |
0.000001 g rms |
0.000009 m/s² rms |
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Non-Linearity [1] |
≤1 % |
≤1 % |
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Transverse Sensitivity |
≤5 % |
≤5 % |
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Environmental |
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Overload Limit (Shock) |
±40 g pk |
±392 m/s² pk |
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Temperature Range (Operating) |
-15 to +150 °F |
-26 to +65 °C |
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Temperature Response |
See Graph %/°F |
See Graph %/°F |
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Base Strain Sensitivity [2] |
≤0.0005 g/µε |
≤0.005 (m/s²)/µε |
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Electrical |
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Excitation Voltage |
24 to 28 VDC |
24 to 28 VDC |
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Constant Current Excitation |
2 to 10 mA |
2 to 10 mA |
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Output Impedance |
≤500 Ohm |
≤500 Ohm |
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Output Bias Voltage |
8 to 14 VDC |
8 to 14 VDC |
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Discharge Time Constant |
≥5 sec |
≥5 sec |
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Settling Time (within 10% of bias) |
60 sec |
60 sec |
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Spectral Noise (1 Hz) [2] |
0.06 µg/√Hz |
0.6 (µm/sec2)/√Hz |
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Spectral Noise (10 Hz) [2] |
0.01 µg/√Hz |
0.1 (µm/sec2)/√Hz |
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Spectral Noise (100 Hz) [2] |
0.004 µg/√Hz |
0.04 (µm/sec2)/√Hz |
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Electrical Isolation (Case) |
≥100000000 Ohm |
≥100000000 Ohm |
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Physical |
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Sensing Element |
Ceramic |
Ceramic |
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Sensing Geometry |
Flexural |
Flexural |
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Housing Material |
Stainless Steel |
Stainless Steel |
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Sealing |
Hermetic |
Hermetic |
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Size - Diameter |
2.25 in |
57.2 mm |
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Size - Height |
|
71.1 mm |
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Weight [2] |
22.4 oz |
635.0 gm |
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Electrical Connector |
2-Pin MIL-C-5015 |
2-Pin MIL-C-5015 |
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Electrical Connection Position |
Top |
Top |
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Mounting Thread |
1/4-28 Female |
1/4-28 Female |
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Mounting Torque |
2 to 5 ft-lb |
2.7 to 6.8 Nm |
* All specifications are at room temperature unless otherwise specified.
Specification Notes
[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] Measured at 10 Hz, 0.1 grms
[4] See PCB Declaration of Conformance PS023 for details.
Accessories
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Supplied |
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ACS-11 |
Single axis long stroke shaker amplitude response cal from 0.5 Hz to upper 5% point (max 1000 Hz, min 50 mV/g) |
1 |
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M081B20 |
Metric mounting stud, 1/4-28 to M6 x 0.75, BeCu w/shoulder |
1 |
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081B20 |
Mounting stud, 1/4-28 to 1/4-28 x 0.365" long, BeCu w/shoulder |
1 |