Model HT622A01 Product Type: Accelerometer, Vibration Sensor Model 622A01 w/ high temp. option (up to +325°F/163°C)   View  photo
PERFORMANCE ENGLISH SI Sensitivity  (± 5 %) 100 mV/g 10.2 mV/(m/s²) [4] Measurement Range ± 50 g ± 490 m/s² Frequency Range  (± 5 %) 35 to 240,000 cpm 0.58 to 4000 Hz [5][6] Frequency Range  (± 10 %) 25 to 300,000 cpm 0.42 to 5000 Hz Frequency Range  (± 3 dB) 12 to 480,000 cpm 0.2 to 8000 Hz Resonant Frequency 1200 kcpm 20 kHz [3] Broadband Resolution  (1 to 10,000 Hz) 150 µg 1472 µm/s² [3] Non-Linearity ± 1 % ± 1 % [7] Transverse Sensitivity ≤ 5 % ≤ 5 % ENVIRONMENTAL     Overload Limit  (Shock) 5000 g pk 49,050 m/s² pk Temperature Range -65 to +325 °F -54 to +163 °C Temperature Response See Graph See Graph [3] ELECTRICAL     Settling Time  (within 1% of bias) ≤ 5 sec ≤ 5 sec Discharge Time Constant ≥ 0.8 sec ≥ 0.8 sec Excitation Voltage 18 to 28 VDC 18 to 28 VDC Constant Current Excitation 2 to 10 mA 2 to 10 mA [1] Output Impedance <700 ohm <700 ohm Output Bias Voltage  (at 4 mA) 8 to 15 VDC 8 to 15 VDC [2] Spectral Noise  (10 Hz) 12 µg/√Hz 118 (µm/s²)/√Hz [3] Spectral Noise  (100 Hz) 3.2 µg/√Hz 31.4 (µm/s²)/√Hz [3] Spectral Noise  (1 kHz) 1.2 µg/√Hz 11.8 (µm/s²)/√Hz [3] Electrical Isolation >108 ohm >108 ohm Electrical Protection RFI/ESD RFI/ESD PHYSICAL     Size (Hex x Height) 7/8 in x 2.0 in 22.2 mm x 50.8 mm Weight 3.3 oz 93 gm Mounting Thread 1/4-28 UNF No Metric Equivalent [8] 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 MIL-C-5015 MIL-C-5015 Electrical Connection Position Top Top SUPPLIED ACCESSORIES: Model 081A40 Mounting Stud (1) Model ICS-1 NIST-traceable single-axis amplitude response calibration from 600 cpm (10 Hz) to upper 5% frequency (1) OPTIONAL VERSIONS M - Metric Mount Supplied Accessory : Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1) replaces Model 081A40 TO - Temperature Output Temperature Output Range +36 to +302 °F +2 to +150 °C Temperature Scale Factor 5.56 mV/°F + 32 +10 mV/°C Electrical Connector 3-Pin 3-Pin Electrical Connections (Pin A) Acceleration Output Acceleration Output Electrical Connections (Pin B) Ground Ground Electrical Connections (Pin C) Temperature Output Temperature Output All specifications are at room temperature unless otherwise specified. NOTES: [1] Maximum of 4 mA is recommended at temperatures above 250 °F (121 °C). [2] Bias voltage increases with higher constant current. [3] Typical. [4] Conversion Factor 1g = 9.81 m/s². [5] 1Hz = 60 cpm (cycles per minute). [6] The high frequency tolerance is accurate within ±10% of the specified frequency. [7] Zero-based, least-squares, straight line method. [8] 1/4-28 has no equivalent in S.I. units. [9] See PCB Declaration of Conformance PS023 for details. [9]
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