mVIBE – wireless vibration and ultrasound meter for industrial application Description Software functionality covers Possibility for adjusting of a measured vibration parameter to the most of obligatory standards in machine and civil-engineering structures technical condition assessment Using of root-mean-square (RMS), peak (amplitude, 0-P) and peak-to-peak (P-P) values for vibration acceleration, velocity and displacement, in arbitrary frequency range in 1 Hz – 25,6 kHz band Possible definition of 3 alarm thresholds for vibration level Ultrasound leak detection in compressed air installations Sound signal for instantaneous exceeding of alarm threshold Vibration frequency spectrum plot, resolution of 1Hz 4 markers for frequency spectrum plot with markers of harmonic frequencies and sidebands Vibration time waveform plot 4 markers for a time waveform plot with automatic repeat Presentation of numerical values on a plot Saving of plot view settings in a graphics file Export of frequency spectrum and time waveform to a text file in CSV format On-line operation Readout of transducer precise sensitivity from measurement device Possibility for application testing with the use of smartphone built-in vibration sensors Automatic software update Specification Type of sensors 2 x piezoelectric accelerometers, ceramics PZT, shear mode, YZ direction 3 x MEMS accelerometer, XYZ direction3 x MEMS gyroscope, XYZ direction1 x microphone with ultrasonic capability Range of measurements ±50 g (other as an option) – PZT accelerometer ±16 g (other as an option) – MEMS accelerometer 120 dB SPL (20 Pa) – microphone Frequency range of measured vibrations PZT accelerometer: -3dB range 0,4 ... 21000 Hz; 10% range 0,8 ... 10500 HzMEMS accelerometer: 0 ... 1500 HzMicrophone: 2% range 100 ... 10000 Hz; 8dB range 10 ... 20000 Hz and 40 ... 51200 Hz; 14dB range 20 ... 40000 kHz; Type of analogue-digital converter ΔΣ Definition of analogue-digital converter PZT accelerometer: 24 bits MEMS accelerometer: 16 bits MEMS gyroscope: 16 bits Microphone: 24 bits Total noise level PZT accelerometer: 0,8 mgRMS (data for the range ±50 g, fout = 65,536 kHz, frequency range 25,6 kHz) MEMS accelerometer: 3,0 mgRMS (data for range ±16 g, fout = 8,192 kHz, frequency range 1,5 kHz) Microphone: 30 dB SPL (0,6 mPa) (data for frequency range 20 Hz - 8 kHz) Effective sampling frequency (fout) (frequency of updating output ) max. 65,536 kHz – piezoelectric accelerometer 8,192 kHz – max. micro-machine accelerometer 131,072 kHz – ultrasonic sensor Chosen filters Butterworth low-pass analogue filter, limit frequency f3dB high = 68 kHz (piezoelectric accelerometer only) first order high-pass analogue filter, limit frequency f3dB low = 0,5 Hz (piezoelectric accelerometer only) low-pass digital anti-aliasing filter, linear phase, limit frequency automatically adjustable to f3dB high = 0.49 fout (f0.005dB high = 0.39 fout, f-100dB high = 0,54 fout) Communication interfaces IEEE802.11b/g/n WiFi, WPA2frequency range 2,4 to 2,4835 GHz, maximally transmitted power 19.5 dBm@11b, 16.5 dBm@11g, 15.5 dBm@11n Communication protocol ATC MESbus Operation conditions Temp -5 to +50°C; humidity: 10..90% RH Level of protection IP65, dust resistant case, resistant to water jets from any direction (covered microphone placed in a threaded connector) Software mVIBE, mVIDIA, VIDIAOptional: API, control functions for Matlab, programming functions adjusted to the application Power Powera built-in battery Li-Ion 3,7V/1200mAh, integrated charger 5V/550mAwork time between charging for a new device up to 8h (continuous data transmission) a built-in battery saving mechanisms and protection against overload or a full discharge Installation external thread M6, included flat magnet holder and measurement pin Geometric dimensions and mass 40 x 40 x 32 mm, 95 g Resources/Download Please see a manual below. Vibration analytics involves a multitude of disciplines. Do not hesitate to contact us to validate your use case. Manual
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