IMI Industrial Vibration Sensors Katalog Seite 101

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High Temperature Accelerometers n 288 ºC accelerometer n Electrically ground isolated n 10 32 connector side or top exit These units are structured with a piezoelectric ceramic sensing element operating in a shear mode geometry for stable operation in the presence of thermal transients and base bending Welded hermetically sealed titanium construction prevents any influx of dirt or moisture Electrical ground isolation prevents ground loop problems and noise pick up from the surface of the monitored device Since the output of these accelerometers is at a very high impedance a high degree of insulation resistance is required of the signal transmission path Low noise cables are recommended for routine high temperature applications and hardline cables are advised for radiation environments The use of an in line charge converter is recommended to convert the measurement signal to a low impedance voltage for long distance transmission 1 44 36 6 10 32 Mtg Hole 10 32 Connector 13 16 Hex Lock Wire Hole 2 places 1 13 28 6 10 32 Mtg Hole 10 32 Connector 13 16 Hex Lock Wire Hole 2 places High Temperature Charge Output Accelerometer Model 357B53 n Sensitivity 15 100 pC g n Measurement Range 150 g pk n Frequency Range 5 3 kHz n Electrical Connector 10 32 coaxial jack Product shown at actual size High Temperature Charge Output Accelerometer Model 357B54 n Sensitivity 15 100 pC g n Measurement Range 150 g pk n Frequency Range 5 3 kHz n Electrical Connector 10 32 coaxial jack Product shown at actual size Sensitivity 15 100 pC g 10 2 pC m s Measurement Range 150 g pk 1 470 m s pk Frequency Range 5 3 kHz 2 Frequency Range 10 3 5 kHz 2 Frequency Range 3 dB 5 5 kHz 2 Resonant Frequency 12 kHz Non linearity 1 3 Transverse Sensitivity 5 Environmental Overload Limit Shock 2 000 g pk 19 600 m s pk Temperature Range 100 ºF to 550 ºF 73 ºC to 288 ºC Base Strain Sensitivity 0 0002 g µε 0 002 m s µε 1 Radiation Exposure Limit Integrated Gamma Flux 10 8 rad Radiation Exposure Limit Integrated Neutron Flux 10 10 N cm Electrical Capacitance 930 pF 1 Insulation Resistance at 550 F 10 8 ohm 1 Insulation Resistance at 70 F 21 C 10 12 ohm Output Polarity Negative Electrical Isolation Base 108 ohm Physical Sensing Element Ceramic Sensing Geometry Shear Housing Material Titanium Sealing Hermetic Size Hex x Height 3 4 in x 1 13 in 3 4 in x 1 43 in 3 4 in x 28 7 mm 3 4 in x 36 3 mm Weight 1 80 oz 51 gm 1 Electrical Connector 10 32 Coaxial Jack side Mounting Thread 10 32 Female Supplied Accessories Model 081B05 Mounting Stud 10 32 to 10 32 1 Model ACS 1 NIST traceable frequency response 10 Hz to upper 5 point 1 Model M081B05 Mounting Stud 10 32 to M6 X 0 75 1 Notes All specifications are at room temperature unless otherwise specified 1 Typical 2 Low frequency response is determined by external signal conditioning electronics 3 Zero based least squares straight line method 13 16 ex 13 16 Hex 0 32 Mounting Hole 2 Mounting Hole 32 r Lock Wire Hole 2 Places Lock Wire Hole 2 Places 1 13 in 28 6 mm 1 4 in 36 6 mm 98 visit us online at www imi sensors com 1 716 684 0003 Technical Specifications Model Number 357B53 357B54 Performance Accessories Cables Pages 146 159