Model 604B31 Product Type: Accelerometer View  photo  and  drawing .
PERFORMANCE ENGLISH SI Sensitivity  (20 %) 100 mV/g 10.2 mV/(m/s²) [2] Measurement Range ± 50 g ± 490 m/s² Frequency Range  (± 3 dB) 30 to 300000 cpm 0.5 to 5000 Hz [3] Resonant Frequency 600 kcpm 10 kHz [1] Broadband Resolution  (1 to 10,000 Hz) 350 mg 3434 mm/s² [1] Non-Linearity ± 1 % ± 1 % [4] Transverse Sensitivity £ 5 % £ 5 % ENVIRONMENTAL     Overload Limit  (Shock) 5000 g pk 49,050 m/s² pk Temperature Range -65 to +250 °F -54 to +121 °C Temperature Response See Graph See Graph Enclosure Rating IP68 IP68 ELECTRICAL     Settling Time  (within 1% of bias) £ 2.0 sec £ 2.0 sec Discharge Time Constant ³ 0.3 sec ³ 0.3 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 ohms <150 ohms Output Bias Voltage 8 to 12 VDC 8 to 12 VDC Spectral Noise  (10 Hz) 8 mg/ÖHz 78.5 (mm/s²)/ÖHz [1] Spectral Noise  (100 Hz) 5 mg/ÖHz 49.1 (mm/s²)/ÖHz [1] Spectral Noise  (1 kHz) 4 mg/ÖHz 39.2 (mm/s²)/ÖHz [1] Electrical Isolation  (Case) >108 ohms >108 ohms PHYSICAL     Size (Diameter x Height) 1.38 in x 1.00 in 35.1 mm x 25.4 mm Weight 4.4 oz 124 gm Mounting Through Hole Through Hole Mounting Thread 1/4-28 Male Not Applicable [5] Mounting Torque 2 to 5 ft-lb 2.7 to 6.8 N-m 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 SUPPLIED ACCESSORIES: Model 081A68 Captive mounting bolt 1/4-28 x .90" (1) Model ICS-2 NIST-traceable single-axis single-point amplitude response calibration at 6000 cpm (100 Hz) OPTIONAL VERSIONS M - Metric Mount Supplied Accessory : Model M081A68 Captive mounting bolt M6 x 1 (1) All specifications are at room temperature unless otherwise specified. NOTES: [1] Typical. [2] Conversion Factor 1g = 9.81 m/s². [3] The high frequency tolerance is accurate within ±10% of the specified frequency. [4] Zero-based, least-squares, straight line method. [5] 1/4-28 has no equivalent in S.I. units. [6] See PCB Declaration of Conformance PS023 for details. [6]
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