Model : 393C | Accelerometer, ICP®, Seismic

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Seismic, general purpose, quartz comp. ICP® accel., 1 V/g, 0.025 to 800 Hz, 10-32 side conn.

  • Sensitivity: (±15%)1000 mV/g (101.9 mV/(m/s²))
  • Broadband Resolution: 0.0001 g rms (0.001 m/s² rms)
  • Measurement Range: 2.5 g pk (24.5 m/s² pk)
  • Frequency Range: (±5%)0.025 to 800 Hz (0.025 to 800 Hz)
  • Electrical Connector: 10-32 Coaxial Jack
  • Weight: 31.2 oz (885 gm)
English: SI:
Performance
Sensitivity (±15 %) 1000 mV/g 101.9 mV/(m/s²)
Measurement Range 2.5 g pk 24.5 m/s² pk
Frequency Range (±5 %) 0.025 to 800 Hz 0.025 to 800 Hz
Frequency Range (±10 %) 0.01 to 1200 Hz 0.01 to 1200 Hz
Resonant Frequency ≥3500 Hz ≥3500 Hz
Broadband Resolution (1) 0.0001 g rms 0.001 m/s² rms [2]
Non-Linearity ≤1 % ≤1 % [1]
Transverse Sensitivity ≤5 % ≤5 %
Environmental
Overload Limit (Shock) ±100 g pk ±981 m/s² pk
Temperature Range -65 to +200 °F -54 to +93 °C
Temperature Response <0.03 %/°F <0.054 %/°C [2]
Base Strain Sensitivity 0.001 g/µε 0.01 (m/s²)/µε [2]
Electrical
Excitation Voltage 18 to 30 VDC 18 to 30 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Output Impedance <100 Ohm <100 Ohm
Output Bias Voltage 3.0 to 4.5 VDC 3.0 to 4.5 VDC
Discharge Time Constant ≥20 sec ≥20 sec
Settling Time 300 sec 300 sec [2]
Electrical Isolation (Base) ≥100000000 Ohm ≥100000000 Ohm
Physical
Sensing Element Quartz Quartz
Sensing Geometry Compression Compression
Housing Material Stainless Steel Stainless Steel
Sealing Hermetic Hermetic
Size - Diameter 2.25 in 57.2 mm
Size - Height 2.16 in 54.9 mm
Weight 31.2 oz 885 gm [2]
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
.


Specification Notes


[1] Zero-based, least-squares, straight line method.
[2] Typical.
[3] See PCB Declaration of Conformance PS023 for details.


Accessories


Supplied
080A109 Petro Wax, one square, 1" x 1" x 0.25" 1
080A88 Aluminum mounting pad 1
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
ACS-4 Single axis, low frequency phase and amplitude response cal from 0.5 to 10 Hz, (requires ACS-1 and minimum sensitivity of 20 mV/g) 1
M081B05 Mounting stud, 10-32 to M6x0.75-6g, 0.275" long, BeCu 1