A&D Technology Inc.

An enhanced FFT comparator

To meet the demands of rapid changes in the factory automation industry, A&D offers a powerful field tool with a new high level of performance.  The AD3552 was created with a comparator function for machinery vibration & noise testing for production, and provides noise and vibration analysis that instantaneously delivers results of "OK" or "NG" (no-good) for product testing of bearings, motors, etc.

Features

  • Compact, lightweight 1x1.4DIN enclosure is easily rack mounted.
  • Easy to handle 
  • Ethernet compatibility provides easy file transfer with controlling PC
  • Convenient touchscreen interface

 Powerful Analysis Software

  • A setup wizard allows easy setting of conditions.
  • The AD-3552 FFT Comparator has a built-in PC that features superior reliability and fast response.
  • Set judgment parameters for level, partial overall, octave band, total overall (Block: 20 types, Shape: 1 type, Total overall: 1 type)
  • Judgments under complex conditions can be delivered by combining comparator logic (AND, OR, NOT)
  • Using a DI/DO board, the AD-3552 FFT Comparator can output judgment results and be controlled externally.

 

 Applications and Processing Flow 

 Setup Windows

 

 

 

 

 

 

 

 


  

AD3552 Front View

AD3552 Rear View

 
Specifications
 

Input Section

Maximum Analysis Frequency

20kHz

Number of Input Channels

1

Input Connector

BNC

Input Form

Single-end

Input Impedance

1MΩ

Input Capacity

100pF or below

Input Voltage Range

100mVrms, 1Vrms, 10Vrms

Input Coupling

AC, DC, ICP (0.5mA, 4mA)

AC Coupling Characteristic

-3dB at approx. 0.5Hz cutoff frequency

Input Tolerance

AC100Vrms

Dynamic Range

80dB (typical)

Overload Detection

A/D data over 91% of full scale

Underload Detection

A/D data less than 5% of full scale

 

Analysis Section
Analysis Frequency Range 100Hz, 200Hz, 400Hz, 500Hz, 800Hz,1kHz, 2kHz, 4kHz, 5kHz, 10kHz, 20kHz
Sampling Frequency 2.56 times the analysis frequency range
Sampling Clock Internal sampling
Aliasing Filter Correlated with analysis frequency range
Block Size 512, 1024, 2048, 4096 points
Real-Time Frequency 2kHz
Frequency Resolution 201, 401, 801, 1601 lines
Window Function Hanning, Flat-topped, Exponential
Data Acquisition Mode Free-run, First-trigger, Every-trigger
Averaging Frequency-domain: Added average, Peak hold, Exponential average
  Averaging: 1 to 9999 times
  Overlap: Max. 93.75%
Trigger Trigger source: Input channel, External input channel
  Trigger level: Designated with percentage of full scale
  Full scale of external input channel is 25V.
  Trigger slope: +/-
  Trigger delay: -100% to +100% (Frame size ratio)
Calibration Linear, dB

 

Analytical Function
Time-axis waveform, Power spectrum, 1/1 octave, 1/3
Display
Display Scaling Full scale, Fixed scale
X-Axis Linear/Octave
Y-Axis Linear/Log/dB
Display Format Amplitude/Power
Calculation
Time-domain Differentiation/Integration
Frequency-domain Differentiation/Integration
Acoustic weighting A, C, FLAT

Comparator Function
Block Comparators 20 types
Shape Comparator 1 type
Overall Comparator 1 type
Judgment Method Level, Overall
Logic AND, OR, NOT
Judgment Display “OK”, “NG” (Green, Red, Yellow)
Judgment Output Contact output of BUSY, OK and NG signals
Judgment Start External Input Contact input
Save/Recall
Measurement data(MFU file), Result list file(CSV format),Setup file
*Measurement data and Result list file for saving only.
Display
5.7-inch STN color LCD (320x240 dots)
Touchscreen
Resistive analog touch screen

Interface
Ethernet 10Base-T
DO(Digital Output) 31ch (Busy, each comparator judgment result, total comparator judgment result, etc.)
DI(Digital Input) 11ch (Start, Stop, Pause/Restart, Setup file 1 to 20 read)
Serial Port RS232C
General Specification
Operating Temperature and Humidity 10-40°C, RH 85% or below (Non condensing)
Power Supply 85~250V AC(50/60Hz)
External Dimensions 144(H)×192(W)×169(D)mm
Weight Approx. 5kg

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