IMI Industrial Vibration Sensors Katalog Seite 97

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Quartz ICP Accelerometers n Ideal for permanent installations online monitoring systems n Promote safety when installed in hazardous or inaccessible locations n Connect through switch or junction box for route based data collection Low Cost Quartz Industrial ICP Accelerometer Model 627A01 n 100 mV g 50 g measurement range 15 n Frequency Range 3dB 20 to 600 000 cpm 0 33 Hz to 10 kHz n Electrical Connector 2 pin MIL C 5015 Product shown at actual size Precision Quartz Industrial ICP Accelerometer Model 628F01 n 100 mV g 50 g measurement range n Frequency Range 3dB 20 to 720 000 cpm 0 33 Hz to 12 kHz n Available in high temperature version 325 ºF Product shown at actual size IECEx IECEx IECEx IECEx 0 87 in 22 1 mm dia 2 Pin Threaded MIL C 5015 Connector Sig Pwr Ground 7 8 Hex 1 4 28 Mtg Bolt 2 06 in 52 3 mm 20 5 15 10 10 15 5 20 ºC Quartz Ceramic 121 ºC 20 0 Piezoelectric Accelerometers Benefits of Quartz vs Ceramic Piezoelectric materials emit a unit of electrical charge when compressed stressed or sheared and form the core of most industrial accelerometers Many sensors utilize artificially piezoelectric ceramics as their sensing element An alternate option is to use quartz which is naturally piezoelectric and thus exhibits some technical advantages Quartz sensors remain more linear in environments where temperature fluctuates They also exhibit superior stability over time In fact quartz sensors that are recalibrated as much as a decade later sometimes show no sensitivity deviation from when they were originally made IECEx IECEx IECEx IECEx 94 visit us online at www imi sensors com 1 716 684 0003 Sensitivity Deviation Temperature