IMI Industrial Vibration Sensors Katalog Seite 106

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High Temperature Accelerometers Single Ended vs Differential Output Many operating engine environments generate temperatures in excess of 288 ºC Above this temperature many of the design features and materials used in high temperature accelerometers change considerably For 288 ºC to 650 ºC operating environments PCB offers a range of both single ended output measurement output as a signal and ground and differential output measurement output as a plus and minus signal sensors The former tend to be smaller and more suitable for short term testing needs while the latter are more appropriate for long term monitoring applications Obviously the environments in which these sensors operate are challenging In fact in some of the highest temperature operating environments the operating sensor measures vibration signatures while glowing red hot These sensors are complemented by both lab grade and in line charge amplifier systems This differential charge amplifier is suitable for interfacing to any of PCB s differential charge output accelerometers visit us online at www imi sensors com 1 716 684 0003 103 Sensitivity 5 100 mV g 10 mV g 10 2 mV m s 2 1 0 mV m s2 2 Measurement Range 50 g pk 500 g pk 490 m s pk 4 900 m s pk Frequency Range 5 282 to 210 000 cpm 4 7 Hz to 3 5 kHz 3 4 Frequency Range 10 204 to 300 000 cpm 3 4 Hz to 5 kHz Resonant Frequency 1 200 kcpm 20 kHz 1 Broadband Resolution 1 to 10 kHz 450 µg 4 415 µm sec2 2 Non linearity per full scale range 1 5 Transverse Sensitivity 5 Environmental Overload Limit Shock 1 000 g pk 9 810 m s pk 2 Temperature Range Accelerometer 65 to 900 F 54 to 482 C Temperature Range Charge Amplifier 60 to 250 F 51 to 121 C Base Strain Sensitivity 0 006 g µε 0 06 m s µε 2 Electrical Settling Time 70 ºF within 1 bias 1 0 sec Discharge Time Constant 10 sec Excitation Voltage 22 to 28 VDC Constant Current Excitation 2 2 to 20 mA Output Impedance 1 000 ohm 1 Output Bias Voltage 12 to 16 VDC Spectral Noise 10 Hz 30 µg Hz 294 µm sec2 Hz 1 2 Spectral Noise 100 Hz 8 µg Hz 78 µm sec2 Hz 1 2 Spectral Noise 1 kHz 4 µg Hz 39 µm sec2 Hz 1 2 Electrical Isolation Case 108 ohm Physical Size Diameter x Height 1 5 in x 0 75 in 38 1 mm x19 1 mm Weight without cable 9 5 oz 270 gm Electrical Connector 2 pin MIL C 5015 Cable Length 10 ft 3 m Cable Type Integral Hardline Mounting Through Holes 3 Supplied Accessories Model 081A99 Cap Screw 3 Model ICS 1 NIST traceable single axis amplitude response calibration from 600 cpm 10 Hz to upper 5 frequency 1 Notes All specifications are at room temperature unless otherwise specified 1 Typical 2 Conversion Factor 1g 9 81 m s 3 1Hz 60 cpm cycles per minute 4 The high frequency tolerance is accurate within 10 of the specified frequency 5 Zero based least squares straight line method 6 For CE reference PCB Declaration of Conformance PS023 for details G 7 Class I Div 1 Groups A B C and D Class II Div 1 Groups E F and G Class III Div 1 8 Class I Div 1 Groups A B C D 9 Ex ia IIC T4 10 Ex nL IIC T1 II 3 Technical Specifications Model Number EX600B13 7 8 9 10 EX600B14 7 8 9 10 Performance Accessories Cables Pages 146 159