VASTSМD-4М 状态监测仪（16通道振动，4通道转速计）

Measurement
- Overall level of low frequency vibration
+ Frequency bands, Hz: 0.7 — 300, 2 — 1000, 10 — 1000, 10 — 2000, 100 — 5000
+ Parameters: RMS or power of acceleration, velocity or displacement
- 1/3 octave spectra 
+ 1/3 octave frequency bands, Hz: from 0,615 to 25000 
+ Parameters: RMS or acceleration power 
- High frequency parameters 
+ Frequency bands, Hz: 400 — 1600, 1600 — 6400, 6400 — 25600, 25600 — 51200
+ Parameters: RMS or Peak
- Spectra and envelope spectra 
+ Сustomized configuration — edge frequency (up to 51.2 kHz) and frequency resolution.
+ passband filters for envelope spectra:
— 2 octave (octave) bands, Hz: 1600 — 6400, 6400 — 25600, 25600 — 51200
— 1/3 octave bands, Hz: 400 - 25000
Main characteristics:
Measurements period - any time interval, divisible by 0.125 sec.; 
+ Diagnostics time (if diagnostic module is used) - from 1 sec.; 
+ Dynamic range of measurement - no less than 100 dB;
+ Frequency range 0,5 Hz - 12,8 (25,6...51,2) kHz (defined by frequency range of ADC). 
Non-linearity of frequency charactersitics - no more than 3% in 2 Hz - 10 kHz band. 
+ Coefficient of non-linear distortion - no more than 0,1%;
+ Operation conditions: temperature - -20/+60 C, humidity up to 95%. 
Device lifetime - no less than 10 yrs.
CMD-4M includes:
- vibration sensors with с ICP - charge;
- electric current sensor (optional);
- frequency sensor;
- ADC modules;
- PC with ODA-M software;
- GSM module (optional);
- Software «operator's АWP».

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