Model 646B02 Product Type: Accelerometer, Vibration Sensor, Vibration Transmitter Industrial vibration sensor, 4 to 20 mA output, 0 to 10 g's RMS, 3 to 10k Hz, top exit, 2-pin conn. View  photo  and  drawing .
PERFORMANCE ENGLISH SI Measurement Range 0.0 to 10 g rms 0.0 to 98.1 m/s² rms [1] Output 4-20 mA 4-20 mA Frequency Range  (± 3 dB) 180 to 600,000 cpm 3 to 10 kHz [2][3] Broadband Resolution 0.05 g rms 0.49 m/s² rms [4] Non-Linearity ± 1 % ± 1 % ENVIRONMENTAL     Temperature Range -40 to 185 °F -40 to 85 °C ELECTRICAL     Excitation Voltage 12 to 30 VDC 12 to 30 VDC Load Resistance 50(Vs-12) ohm 50(Vs-12) ohm Settling Time  (within 2% of value) <15 sec <15 sec Electrical Isolation  (Case) >108 ohm >108 ohm PHYSICAL     Size (Hex x Height) 1.0 in x 2.6 in 25.4 mm x 66 mm Weight 4.7 oz 131 gm Mounting Thread 1/4-28 UNF Not Applicable Mounting Torque 3 to 5 ft-lb 4 to 7 N-m Sensing Element Ceramic Ceramic Sensing Geometry Shear Shear Housing Material Stainless Steel Stainless Steel Sealing Welded Hermetic Welded Hermetic Electrical Connector 2-Pin MIL-C-5015 2-Pin MIL-C-5015 Electrical Connection Position Top Top Electrical Connections  (Pin A) 4-20 mA Pos (+) 4-20 mA Pos (+) Electrical Connections  (Pin B) 4-20 mA Neg (-) 4-20 mA Neg (-) SUPPLIED ACCESSORIES: Model 081A40 Mounting Stud (1) Model ICS-4 NIST-traceable single-axis amplitude response calibration from 0 cpm (0 Hz) to upper 10% frequency for 4 - 20 mA output vibration sensor (1) OPTIONAL VERSIONS M - Metric Mount Supplied Accessory : Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1) replaces Model 081A40 Supplied Accessory : Model M081A61 Mounting Stud 1/4-28 to M6 X 1 (1) replaces Model 081A40 RV - Buffered Analog Signal Output - 100 mV/g (±20%) Electrical Connector 3-Pin MIL-C-5015 3-Pin MIL-C-5015 Electrical Connections (Pin A) 4-20 mA Pos (+) 4-20 mA Pos (+) Electrical Connections (Pin B) 4-20 mA Neg/Signal Output Neg 4-20 mA Neg/Signal Output Neg Electrical Connections (Pin C) Signal Output Pos Signal Output Pos All specifications are at room temperature unless otherwise specified. NOTES: [1] Conversion Factor 1g = 9.81 m/s². [2] Current will fluctuate at frequencies below 5 Hz. [3] 1Hz = 60 cpm (cycles per minute). [4] Typical. [5] See PCB Declaration of Conformance PS039 for details. [5]
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