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high freq. laboratory ceramic shear icp® accel, 100 mv/g, 0.8 to 20k hz, 316l ss case, side exit, 10-32 conn., frequency sweep iso 17025 accredited calibration

High Frequency ICP® Accelerometer

Model 621B51

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High freq. laboratory ceramic shear ICP® accel, 100 mV/g, 0.8 to 20k Hz, 316L SS case, side exit, 10-32 conn., frequency sweep ISO 17025 accredited calibration

  • Sensitivity: (±5%) 100 mV/g (10.2 mV/(m/s²))
  • Frequency Range: (±3dB)48 to 1200000 cpm (0.8 to 20000 Hz)
  • Sensing Element: Ceramic
  • Measurement Range: ±50 g (±490 m/s²)
  • Weight: 1.06 oz (30 gm)

Specification Notes

[1] Conversion Factor 1g = 9.81 m/s².
[2] Zero-based, least-squares, straight line method.
[3] The high frequency tolerance is accurate within ±10% of the specified frequency.
[4] Typical.
[5] Typical value.
[4] Typical.
[6] 1/4-28 has no equivalent in S.I. units.

English: SI:
Performance
Sensitivity (±5 %) 100 mV/g 10.2 mV/(m/s²) [1]
Measurement Range ±50 g ±490 m/s²
Frequency Range (±5 %) 144 to 600000 cpm 2.4 to 10000 Hz [3]
Frequency Range (±10 %) 102 to 900000 cpm 1.7 to 15000 Hz
Frequency Range (±3 dB) 48 to 1200000 cpm 0.8 to 20000 Hz
Resonant Frequency 2100 kcpm 35 kHz
Non-Linearity ±1 % ±1 % [2]
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 [4]
Electrical
Settling Time (within 1% of bias) ≤5.0 sec ≤5.0 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 <150 Ohm <150 Ohm
Output Bias Voltage 8 to 12 VDC 8 to 12 VDC
Broadband Electrical Noise (1 to 10000 Hz) 100 µV 981 µm/sec2 [4]
Spectral Noise (10 Hz) 30 µg/√Hz 294 (µm/sec2)/√Hz [5]
Spectral Noise (100 Hz) 10 µg/√Hz 98.1 (µm/sec2)/√Hz [4]
Spectral Noise (1 kHz) 5 µg/√Hz 49.5 (µm/sec2)/√Hz [5]
Electrical Isolation (Base) >100000000 Ohm >100000000 Ohm
Physical
Size - Hex 11/16 in 17.5 mm
Size - Height 1.03 in 26.2 mm
Weight 1.06 oz 30 gm
Mounting Thread 10-32 Female 10-32 Female [6]
Mounting Torque 10 to 20 in-lb 1.13 to 2.26 Nm
Sensing Element Ceramic Ceramic
Sensing Geometry Shear Shear
Housing Material Stainless Steel Stainless Steel
Sealing Welded Hermetic Welded Hermetic
Electrical Connector 10-32 Coaxial Jack 10-32 Coaxial Jack
Electrical Connection Position Side Side

* All specifications are at room temperature unless otherwise specified.

TempChart

Accessories
Supplied
ICS-1 Calibration of industrial accel. with full frequency response plot and NIST-traceable certificate 1

Optional Versions

(M) Metric Mount
Accessories:
Supplied M081B05 Captive Mounting Bolt (19 mm for series M624 & M625 sensors) 1