ZET 017-U4 FFT spectrum analyzer

  • Frequency range up to 20 kHz
  • Dynamic range 80 dB
  • USB interface, Ethernet, Wi-Fi

POR (price on request)


of ZET 017-U4 FFT spectrum analyzer

Technical specifications
Analog input (ADC)
Number of analog inputs for voltage and IEPE 4
Number of ADC bits2 18
Frequency range of signals under parallel analysis DC…20, DC…200, DC…2 000, DC…20 000 Hz
Maximal sampling frequency 400 kHz
Antialiasing signal filtration up to 40 kHz
LPF filters –  Butterworth filters 120 dB/octave 50 Hz, 500 Hz, 5 Hz, 50 Hz
Filters with frequency correction – compliance with  IEC 61672-1:2002 A, B, C, D for 1 class precision noise meters
Maximal input voltage at a unity gain ±10 V
Programmable gains 1, 10, 100, 1000
Input resistance 100 kOhm
Analog outputs 1
Frequency range of the generated sinusoidal signal 0,03… 20 000 Hz
Output impedance 50 Ohm
Maximum output current 20 mA
DAC bits 18
Maximal output voltage ±10 V
Digital input 8 bit
Digital output 8 bit
Type of digital input/output logic TTL
Metrological performance
Dynamic range 80 dB
Bandwidth channel similarity 0,1 %
Interchannel phase difference 1° per 10 kHz
Intrinsic noise rate throughout the bandwidth at maximum gain scaled to input 1 µV
Maximal relative error of frequency setting for 0…20,000 Hz range ±0,1 %
Maximal permissible relative error of frequency setting for 0.03… 10 Hz range ±10 %
Tolerance limits of direct and alternating output voltage setting ±(0,2 % + 2 mV)
Harmonic distortion factor of generated sinusoidal signal 0,1 %
Operating performance
Dimensions 280 × 160 × 75 mm
Weight 1 kg
Supported sensors types ICP (IEPE), DeltaTron, ISOTRON
Synchronization with other signal analyzers yes
Non-volatile storage (flash drive)* up to 32 Gb
Sampling frequency of flash drive write on the channel* 50 kHz
Flash drive recording time through all channels at maximum frequency rate* 10,8 hrs
Transmission speed via HighSpeed USB 2.0 bus 480 Mbps
Transmission speed via Ethernet bus* 100 Mbps

* Additional options


This Product by ZETLAB Company has EU-type examination Certificate


of ZET 017-U4 FFT spectrum analyzer

High precision

of sound signal range measuring and analysis

Signal generation

sine, pulse, random, noise

(programmable kurtosis and coefficient of excess)


control over all system’s channels (parallel analysis)

Bandpass filters

IEC 61260 compliance

Amplifier ICP (IEPE)

for connecting sensor with integrated electronics

Off-line mode

of signal recording system – up to 32 Gb (without connection to PC)


of ZET 017-U4 FFT spectrum analyzer

ZET 017-U4 FFT spectrum analyzer allows you to use several software programs for signal analysis and representation simultaneously. This allows you to establish various kits for measuring tests, technological processes control and monitoring.

Parallel use of several programs enables performing tests in transient mode.

FFT spectrum analyzer is used for vibration and acoustic measurements, constant monitoring, mechanisms diagnostics, testing instruments control, technological processes parameters control, automation of inspection and acceptance tests as well as for other types of applications.

Various hardware versions of FFT spectrum analyzers (portable, industrial, underwater, etc.) and PC connection interface options allow you to use the Dynamic signal analyzer in stationary, mobile, independent, industrial, distributed and dynamic systems in different environments.

Basic functions

of ZET 017-U4 FFT spectrum analyzer

Narrow band spectral analysis

Cross narrowband spectral analysis

Fractional octave analysis

Modal analysis and resonance search

Noise and vibration level measuring

for work sites certification


high noise source detection

Wavelet analysis

speech recognition and processing

Visual representation

of signals and filtration and analysis results


of arbitrary form signals


recording and displaying


filtration, formulas, regulators


data exchange via ethernet and internet networks


of ZET 017-U4 FFT spectrum analyzer

ZET  U Basic Supply package items

FFT spectrum analyzer delivery scope includes the following items:

  • Zet 017-U4 FFT spectrum analyzer,
  • power supply unit, cable USB 2.0, cable BNC-BNC, Ethernet cable,
  • plug 50 Ohm,
  • option “synchronization by PTP 1588 interface”,
  • option: “Ethernet 10/100 interface”,
  • option “ZETLab Studio development tool”,
  • CD with  ZETLAB ANALIZ Software,
  • user manual, operator manual,
  • case for storage and transportation.

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