triaxial, industrial, ceramic shear icp® accel., 100 mv/g, 0.8 to 8k hz, side exit, 4-pin conn., triaxial frequency sweep iso 17025 accredited calibration

Precision Triaxial Industrial ICP® Accelerometer

Model M629A31

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Triaxial, industrial, ceramic shear ICP® accel., 100 mV/g, 0.8 to 8k Hz, side exit, 4-pin conn., triaxial frequency sweep ISO 17025 accredited calibration

  • Sensitivity: (±5%)100 mV/g (10.2 mV/(m/s²))
  • Frequency Range: (±3dB)48 to 480000 cpm (0.8 to 8000 Hz)
  • Sensing Element: Ceramic
  • Measurement Range: ±50 g (±490 m/s²)
  • Weight: 4.9 oz (139 gm)

Specification Notes

[1] Zero-based, least-squares, straight line method.
[2] The high frequency tolerance is accurate within ±10% of the specified frequency.
[3] Typical.
[4] 1/4-28 has no equivalent in S.I. units.
[5] See PCB Declaration of Conformance PS023 for details.

English: SI:
Performance
Sensitivity (±5 %) 100 mV/g 10.2 mV/(m/s²)
Measurement Range ±50 g ±490 m/s²
Frequency Range (±5 %) 144 to 120000 cpm 2.4 to 2000 Hz [2]
Frequency Range (±10 %) 102 to 300000 cpm 1.7 to 5000 Hz
Frequency Range (±3 dB) 48 to 480000 cpm 0.8 to 8000 Hz
Resonant Frequency 1200 kcpm 20 kHz [3]
Broadband Resolution (1) 100 µg 981 µm/sec2 [3]
Non-Linearity ±1 % ±1 % [1]
Transverse Sensitivity ≤5 % ≤5 %
Environmental
Overload Limit (Shock) 5000 g pk 49050 m/s² pk
Temperature Range -65 to +250 °F -54 to +121 °C
Temperature Response See Graph %/°F See Graph %/°F [3]
Electrical
Settling Time (within 1% of bias) ≤3.0 sec ≤3.0 sec
Discharge Time Constant ≥0.2 sec ≥0.2 sec
Excitation Voltage 18 to 28 VDC 18 to 28 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Output Impedance <100 Ohm <100 Ohm
Output Bias Voltage 8 to 12 VDC 8 to 12 VDC
Spectral Noise (10 Hz) 7.0 µg/√Hz 68.7 (µm/sec2)/√Hz [3]
Spectral Noise (100 Hz) 2.8 µg/√Hz 27.5 (µm/sec2)/√Hz [3]
Spectral Noise (1 kHz) 1.0 µg/√Hz 9.8 (µm/sec2)/√Hz [3]
Electrical Protection RFI/ESD RFI/ESD
Electrical Isolation (Case) >100000000 Ohm >100000000 Ohm
Physical
Size - Length 1.5 in 38.1 mm
Size - Width 1.5 in 38.1 mm
Size - Height 0.82 in 20.8 mm
Weight 4.9 oz 139 gm
Mounting Thread 1/4-28 Male 1/4-28 Male [4]
Mounting Torque 2 to 5 ft-lb 2.7 to 6.8 Nm
Sensing Element Ceramic Ceramic
Sensing Geometry Shear Shear
Housing Material Stainless Steel Stainless Steel
Sealing Welded Hermetic Welded Hermetic
Electrical Connector 4-Pin MIL-C-26482 4-Pin MIL-C-26482
Electrical Connection Position Side Side
Electrical Connections (Pin A) X axis X axis
Electrical Connections (Pin B) Y axis Y axis
Electrical Connections (Pin C) Z axis Z axis
Electrical Connections (Pin D) Ground Ground

* All specifications are at room temperature unless otherwise specified.

TempChart

Accessories
Supplied
081A56 Captive mounting bolt, 1/4-28 x 0.75" long, socket head (for series 629A sensors) 1
ICS-1 Calibration of industrial accel. with full frequency response plot and NIST-traceable certificate 1

Optional Versions

(LB) Low Bias Voltage

English SI
Output Bias Voltage 6 to 8
Excitation Voltage 12 to 18
Measurement Range ±35 ±343