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)

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Sensitivity (±5 %) 100 mV/g10.2 mV/(m/s²)[1] 
Measurement Range±50 g±490 m/s² 
Frequency Range (±5 %)144 to 600000 cpm2.4 to 10000 Hz[3] 
Frequency Range (±10 %)102 to 900000 cpm1.7 to 15000 Hz 
Frequency Range (±3 dB)48 to 1200000 cpm0.8 to 20000 Hz 
Resonant Frequency2100 kcpm35 kHz 
Non-Linearity±1 %±1 %[2] 
Transverse Sensitivity≤5 %≤5 % 
Overload Limit (Shock)5000 g pk49050 m/s² pk 
Temperature Range-65 to +250 °F-54 to +121 °C 
Temperature ResponseSee Graph %/°FSee Graph %/°F[4] 
Settling Time (within 1% of bias)≤5.0 sec≤5.0 sec 
Discharge Time Constant≥0.2 sec≥0.2 sec 
Excitation Voltage18 to 28 VDC18 to 28 VDC 
Constant Current Excitation2 to 20 mA2 to 20 mA 
Output Impedance<150 Ohm<150 Ohm 
Output Bias Voltage8 to 12 VDC8 to 12 VDC 
Broadband Electrical Noise (1 to 10000 Hz)100 µV981 µm/sec2[4] 
Spectral Noise (10 Hz)30 µg/√Hz294 (µm/sec2)/√Hz[5] 
Spectral Noise (100 Hz)10 µg/√Hz98.1 (µm/sec2)/√Hz[4] 
Spectral Noise (1 kHz)5 µg/√Hz49.5 (µm/sec2)/√Hz[5] 
Electrical Isolation (Base)>100000000 Ohm>100000000 Ohm 
Size - Hex11/16 in17.5 mm 
Size - Height1.03 in26.2 mm 
Weight1.06 oz30 gm 
Mounting Thread10-32 Female10-32 Female[6] 
Mounting Torque10 to 20 in-lb1.13 to 2.26 Nm 
Sensing ElementCeramicCeramic 
Sensing GeometryShearShear 
Housing MaterialStainless SteelStainless Steel 
SealingWelded HermeticWelded Hermetic 
Electrical Connector10-32 Coaxial Jack10-32 Coaxial Jack 
Electrical Connection PositionSideSide 

All specifications are at room temperature unless otherwise specified.

Product 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.
[6] 1/4-28 has no equivalent in S.I. units.
ICS-1NIST-traceable single-axis amplitude response calibration from 600 cpm (10 Hz) to upper 5% frequency(1)
Optional Versions:
(M) Metric Mount
    M081B05Captive Mounting Bolt (19 mm for series M624 & M625 sensors)(1)
Product Documents
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