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Home > Industrial Accelerometers > High Frequency > 621B41
 

 

High Frequency ICP® Accelerometer
Model 621B41     
 
High freq. laboratory ceramic shear ICP® accel, 100 mV/g, 0.8 to 20k Hz, 316L SS case, top exit, 10-32 conn.
  • Sensitivity: (±5%) 100 mV/g (10.2 mV/(m/s²))
  • Frequency Range: (±5%) 144 to 600000 cpm (2.4 to 10000 Hz)
  • Frequency Range: (±3dB) 48 to 1200000 cpm (0.8 to 20000 Hz)
  • Measurement Range: ±50 g (±490 m/s²)
  • Electrical Connector: 10-32 Coaxial Jack
 
 
SpecificationsDrawingProduct ManualPictureTemperature 
PERFORMANCE ENGLISH SI
Sensitivity (±5 %) 100 mV/g
10.2 mV/(m/s2) [2]
Measurement Range ±50 g
±490 m/s²
Frequency Range (±5 %) 144 to 600,000 cpm
2.4 to 10,000 Hz [3]
Frequency Range (±10 %) 102 to 900,000 cpm
1.7 to 15,000 Hz
Frequency Range (±3 dB) 48 to 1,200,000 cpm
0.8 to 20,000 Hz
Resonant Frequency 2,100 kcpm
35 kHz [5]
Non-Linearity ±1 %
±1 % [6]
Transverse Sensitivity ≤ 5 %
≤ 5 %
ENVIRONMENTAL
Overload Limit (Shock) 5,000 g pk
49,050 m/s2 pk
Temperature Range -65 to 250 °F
-54 to 121 °C
Temperature Response See Graph
See Graph [5]
Enclosure Rating IP68
IP68
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
Spectral Noise (10 Hz) 30 µg/√Hz
294 (µm/sec2)/√Hz [4]
Spectral Noise (100 Hz) 10 µg/√Hz
98.1 (µm/sec2)/√Hz [5]
Spectral Noise (1 kHz) 5 µg/√Hz
49.5 (µm/sec2)/√Hz [4]
Electrical Isolation (Base) >108 Ohm
>108 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 [1]
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 Top
Top
OPTIONAL VERSIONS
M - Metric Mount
Supplied Accessory : Model M081B05 Mounting Stud 10-32 to M6 X 0.75

All specifications are at room temperature unless otherwise specified.
NOTES:
[1] 10-32 has no equivalent in S.I. units.
[2] Conversion Factor 1g = 9.81 m/s².
[3] The high frequency tolerance is accurate within ±10% of the specified frequency.
[4] Typical value.
[5] Typical.
[6] Zero-based, least-squares, straight line method.




View Spec Sheet: 621B41_A.pdf