{"id":4011,"date":"2019-12-04T13:24:01","date_gmt":"2019-12-04T12:24:01","guid":{"rendered":"https:\/\/diagnostic.itelte.it\/accessori-detail\/sismos-4-site-survey-monitoring-system\/"},"modified":"2019-12-04T13:30:51","modified_gmt":"2019-12-04T12:30:51","slug":"sismos-4-site-survey-monitoring-system","status":"publish","type":"avada_portfolio","link":"https:\/\/diagnostic.itelte.it\/en\/accessori-detail\/sismos-4-site-survey-monitoring-system\/","title":{"rendered":"SiSMoS-4: Site Survey Monitoring System"},"content":{"rendered":"

SCIELDING<\/a> <\/i> MEASUREMENT SYSTEMS<\/a><\/p>\n<\/div>

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SiSMoS-4: Site Survey Monitoring System<\/h2>\n<\/div>

The SiSMoS-4 provides a PC-based, fast, four-channel, 24-bit data acquisition system with data-logger and spectrum analyzer for Bartington Instruments fluxgate sensors and industry standard ICP accelerometers. Applications include environmental monitoring (of EMI and vibration) for pre-installation surveys for MRI systems, electron microscopes and similar sensitive equipments. The SiSMoS-4 performs data acquisition in three channels for a triaxial sensor fluxgate or a one channel for a uniaxial accelerometers and produces both time domain and frequency domain plots showing either slow or fast trends for magnetic and vibration data in three axes.<\/p>\n

The conversion of time-varying information into a frequency spectrum is accomplished using Fast Fourier Transforms referred to as FFT in the text. When used as a data-logger, time-stamped data can be logged (for extended periods) then retrieved and post-processed in both time and frequency domain. The system is software controlled and connection to the user’s PC is via a USB interface. Prior to data acquisition, system configuration is accomplished using the SiSMoS-4 software (Device configurationDevice configurationDevice configuration). Additional functions provided by the SiSMoS-4 system include:<\/p>\n

    \n
  • Selectable plot of time or frequency data<\/li>\n
  • Data post-processing (selectable filtering and averaging)<\/li>\n
  • Availability of cursors and markers for effective measurements<\/li>\n
  • Exports the graph data to excel file or to the clipboard in a tab-delimited format, which is accepted by most spreadsheet applications<\/li>\n
  • Saving of plots (images) in .bmp, .eps and .emf formats for use in reports<\/li>\n
  • Up to 10 hours operation powered by a rechargeable battery<\/li>\n
  • 51,2 kS\/s sampling rate giving a spectral plot up to 25,6 kHz (-3dB point)<\/li>\n<\/ul>\n

    The SiSMoS-4 software records time and frequency domain data over a wide frequency range – from DC to 3.5kHz\u00a0 (-3dB point) for all input channels. Data logging with time-stamping is also provided hence the system functions as a high resolution data logger for magnetic and vibration measurements. The SiSMoS-4 software is compatible with Windows XP or later.<\/p>\n

    The SiSMoS-4 hardware unit contains a rechargeable battery for up to 10 hours\u00a0 operation under typical conditions to allow field-work with a laptop computer. In order to extend battery operation, magnetometer power is applied only when the user must use. The system is ideal for magnetic, vibration measurements and is also suited for recording the magnetic fields due to 50\/60Hz mains supplies and associated harmonics.<\/p>\n<\/div>

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    Specification<\/strong><\/p><\/h4><\/div>

    <\/div>
    <\/div>
    <\/div>\n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Number of input channels<\/td>\n3 for magnetic field sensors<\/p>\n

    1 for accelerometers or acoustic\u00a0 sensors<\/td>\n<\/tr>\n

    Voltage input range<\/td>\n\u00b110 V<\/td>\n<\/tr>\n
    Resolution<\/td>\n24 bit A to D converter<\/td>\n<\/tr>\n
    ADC Resolution<\/td>\n24 bits<\/td>\n<\/tr>\n
    Type of ADC<\/td>\nDelta\u2013Sigma (with analog prefiltering)<\/td>\n<\/tr>\n
    Sampling mode<\/td>\nSimultaneous<\/td>\n<\/tr>\n
    Frequency domain display options<\/td>\nAmplitude spectrum (RMS, peak-to-peak)<\/p>\n

    Amplitude spectral density (RMS\/\u221aHz, p-p\/\u221aHz)<\/td>\n<\/tr>\n

    Internal master timebase (f<\/em> M<\/em>)<\/p>\n

    Frequency<\/p>\n

    Accuracy<\/td>\n

    		13.1072 MHz<\/p>\n

    \u00b150 ppm max<\/td>\n<\/tr>\n

    Data rate range (f<\/em> S<\/em>) using internal master timebase<\/p>\n

    Minimum<\/p>\n

    Maximum<\/td>\n

    		1.652 kS\/s<\/p>\n

    51.2 kS\/s<\/td>\n<\/tr>\n

    Input coupling<\/td>\nAC\/DC (software-selectable)<\/td>\n<\/tr>\n
    AC cutoff frequency<\/p>\n

    – 3dB<\/p>\n

    – 0.1 dB<\/td>\n

    		0.5 Hz<\/p>\n

    4.6 Hz max<\/td>\n<\/tr>\n

    IEPE excitation current (software-selectable on\/off)<\/p>\n

    Minimum<\/p>\n

    Typical<\/td>\n

    		2.0 mA<\/p>\n

    2.1 mA<\/td>\n<\/tr>\n

    Power on glitch<\/td>\n90 mA for 10 ms<\/td>\n<\/tr>\n
    IEPE compliance voltage<\/td>\n19 V max<\/td>\n<\/tr>\n
    Overvoltage protection (with respect to chassis ground)<\/p>\n

    For a signal source connected to AI+ and AI<\/p>\n

    For a low-impedance source connected to AI+ and AI\u2013<\/td>\n

    		\u00b130 V<\/p>\n

    -6 to 30 V<\/td>\n<\/tr>\n

    Gain drift<\/p>\n

    Typical<\/p>\n

    Maximum<\/td>\n

    		0.14 mdB\/\u00b0C (16 ppm\/\u00b0C)<\/p>\n

    0.45 mdB\/\u00b0C (52 ppm\/\u00b0C)<\/td>\n<\/tr>\n

    Accuracy<\/td>\n<\/td>\n<\/tr>\n
    Offset drift<\/p>\n

    Typical<\/p>\n

    Maximum<\/td>\n

    		19.2 mV\/\u00b0C<\/p>\n

    118 mV\/\u00b0C<\/td>\n<\/tr>\n

    \u00a0\u00a0 Gain<\/p>\n

    Typical<\/p>\n

    Maximum<\/td>\n

    		0.01 dB<\/p>\n

    0.04 dB<\/td>\n<\/tr>\n

    \u00a0\u00a0 Phase (f<\/em>in<\/em> in kHz)<\/td>\nf<\/em>in ? <\/em>0.045\u00b0 + 0.04 max<\/td>\n<\/tr>\n
    Passband<\/p>\n

    Frequency<\/p>\n

    Flatness (f<\/em>s <\/em>= 51.2 kS\/s)<\/td>\n

    		0.45 ? f<\/em>s<\/em><\/p>\n

    \u00b140 mdB (pk-to-pk max)<\/td>\n<\/tr>\n

    Phase nonlinearity (f<\/em>s <\/em>= 51.2 kS\/s)<\/td>\n\u00b10.45\u00b0 max<\/td>\n<\/tr>\n
    Stopband<\/p>\n

    Frequency<\/p>\n

    Rejection<\/td>\n

    		0.55 ? f<\/em>s<\/em><\/p>\n

    100 dB<\/td>\n<\/tr>\n

    Alias-free bandwidth<\/td>\n0.45 ? f<\/em>s<\/em><\/td>\n<\/tr>\n
    Crosstalk (1 kHz)<\/td>\n-110 dB<\/td>\n<\/tr>\n
    Spectrum range<\/td>\nSoftware selected as sample rate or maximum frequency<\/td>\n<\/tr>\n
    Output interface<\/td>\nUSB2<\/td>\n<\/tr>\n
    Software<\/td>\nWindows\u00ae 98\/2000\/XP\/Seven compatible<\/td>\n<\/tr>\n
    Operating temperature range<\/td>\n-10\u00b0C to +50\u00b0C (0\u00b0C to +45\u00b0C \u00a0for charging)<\/td>\n<\/tr>\n
    Storage temperature range<\/td>\n-20\u00b0C to +70\u00b0C<\/td>\n<\/tr>\n
    Humidity<\/td>\n0 \u2013 50% (non condensing)<\/td>\n<\/tr>\n
    Enclosure<\/td>\nAluminium<\/td>\n<\/tr>\n
    Dimensions<\/td>\n250 x 190 x 80 mm<\/td>\n<\/tr>\n
    Weight<\/td>\n3.5 kg<\/td>\n<\/tr>\n
    Connectors<\/td>\n1 x DB9 plug to magnetic field sensors<\/p>\n

    1 x BNC sockets for ICP\u00ae piezoelectric vibration sensors\/microphone preamplifiers<\/p>\n

    1 x USB to PC<\/p>\n

    1 x IEC socket for 110-220V input from mains adaptor for recharging<\/td>\n<\/tr>\n

    Power output to sensor<\/td>\n\u00b115 V, \u00b175mA<\/td>\n<\/tr>\n
    Sensor input (magnetic field sensor)<\/td>\nUnbalanced<\/td>\n<\/tr>\n
    Suitable ICP\u00ae vibration sensor<\/td>\nPCB Piezoelectronics<\/td>\n<\/tr>\n
    Battery<\/td>\nInternal rechargeable Ni-Mh 7.2V battery with universal mains adaptor for charging<\/td>\n<\/tr>\n
    Battery life<\/td>\n10 hours (typical)<\/td>\n<\/tr>\n
    Battery charging time<\/td>\n15 hours for full charge<\/td>\n<\/tr>\n
    Power consumption from chassis<\/p>\n

    Active mode<\/p>\n

    Sleep mode<\/td>\n

    		900 mW max<\/p>\n

    25 mW max<\/td>\n<\/tr>\n

    Thermal dissipation (at 70\u00b0C)<\/p>\n

    Active mode<\/p>\n

    Sleep mode<\/td>\n

    		930 mW max<\/p>\n

    25 mW max<\/td>\n<\/tr>\n

    Channel-to-earth ground<\/td>\n\u00b130 V max, Measurement Category I<\/td>\n<\/tr>\n
    Input impedance (magnetic field sensor inputs)<\/td>\n1 M\u03a9<\/td>\n<\/tr>\n
    ICP\u00ae constant current<\/td>\n4mA \u00b120% for cables up to 1km in length<\/td>\n<\/tr>\n
    Optional accessories<\/td>\nTripod and adaptor for Mag-03 sensors<\/p>\n

    Rugged carrying case<\/td>\n<\/tr>\n

    Carrying case dimensions<\/td>\n616 x 493 x 220 mm<\/td>\n<\/tr>\n
    Total weight with carrying case<\/td>\n12kg with SiSMoS\u20134, Mag-03 sensor, 5m cable and tripod<\/td>\n<\/tr>\n
    CE Compliance<\/td>\n2006\/95\/EC; Low-Voltage Directive (safety)<\/p>\n

    2004\/108\/EC; Electromagnetic Compatibility Directive (EMC)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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