ZET 017-U8 4/8 channels of 10 kHz
	ZET 110 Vibration meter, sound level meter, recorder
	ZET 017-T8 8-channel strain-gauge station
	ZET 017-U2 2 10 kHz channels
	ZET 019-U2 2 100 kHz channels
	ZET 019 2-32 100 kHz channels
	ZET 023 1-4 2 MHz channels
	VS-01 Vibroaccoustic system for up to 64 channels

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Scope of use:

• Short- and long-duration vibroacoustic testing of engines, turbines, parts and various mechanical assemblies
• Continuous monitoring of stands
• Studying the transfer characteristics of sensors
• Localizing sources of vibration and noise
• Monitoring vibration and acoustic loads at facilities
• Evaluating the acoustic and sound insulation properties of structures
• Checking accelerometers on shakers and drumkits
• Predictive maintenance of engines and machine parts
• Studying rotating parts
• Vibration and acoustic bench tests
• Monitoring and diagnostics of gears, rotors and turbines
• Bearing diagnostics
• Automated shaker (vibration) control system
• Checking sound level meters and vibrometers
• Shock testing when testing resistance to mechanical stress.

The vibroacoustic system is designed on the basis of the ZET 017-U8 multi-channel acoustic band spectrum analyzer and is listed in the State Register of Measuring Instruments.

Main technical characteristics:

Analog input (ADC)
Number of analog inputs	4, 8, 16, 24, 32, 64
Frequency bands of simultaneously analyzed signals	0–1, 0–10, 0–100, 0–1,000, 0–10,000 Hz
Conversion frequency for each channel	50 kHz
Number of ADC bits	16
Antialiasing signal filtering	Up to 10 kHz
Maximum input voltage at unity gain	±10 V
Programmable gain	20, 40, 60 dB
Dynamic range	90 dB
Identity of channels in the passband	0.1%
Interchannel phase difference	1° at 10 kHz
Noise floor in the entire passband at maximum gain reduced to the input	10 µV

Analog output (DAC)
Number of analog outputs	1, 2, 3
Range of frequencies of the generated sinusoidal signal	0.03–20,000 Hz
Limit of allowable relative frequency tuning error for the 0–20,000 Hz range	±0.1%
Limit of allowable relative frequency tuning error for the 0.03–10 Hz range	±10%
Number of DAC bits	16
DC output voltage value	±10 V
Limits of allowable error in setting the DC and AC output	±(0.2% + 2 mV)
Harmonic content of the generated sinusoidal signal	0.1%

Calibration of amplifiers using the equivalents of sensors is provided for in order to take into account corrections in the measuring paths.

Several vibroacoustic systems can be combined with a single workstation to create a system for collecting and processing vibroacoustic information. The processing results are transferred in real time to a workstation on an Ethernet LAN. The workstation plays the role of a remote graphic terminal of multiple vibroacoustic systems, managing the operational modes and the selection of the functions being carried out. The interface of these complexes with all the features is implemented on the screen of the workstation. New software versions and temporary realizations of digitized signals can be transferred through the communication line.

By connecting multiple vibroacoustic systems to a single workstation, you can operate them simultaneously. Thus, analog signals can be converted simultaneously in all the measuring channels of all the systems, making it possible to conduct cross-spectral and cross-correlation analysis of signals digitized in various vibroacoustic systems.

It makes sense to use a distributed system for collecting and processing information when the sensors and converters are located in a confined space and the operator's station cannot be set up in close proximity to the place being monitored. Setting up the system in this way saves you money because there is no need for signal repeaters, analog transmission lines or additional means of protection (shielding, lightning protection, etc.).

It is possible to put together a vibroacoustic system based on an industrial computer without a monitor and keyboard.

Basic package of the BK-01 Spectrum Analyzer
Appearance	Name	Brief description	Price (ribles)
	VS-01 Spectrum Analyzer	The basic package of the BK-01 Spectrum Analyzer includes : BK-01 Spectrum Analyzer, USB 2.0 cable, power supply, BNC-BNC cable, CD with ZETLab software, owner’s manual and operator’s manual.	278,410 (Office version) 377,465 (Industrial version)

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