Download Specifications For Cone paper Fo measuring instrument Model OST

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Specifications For Cone paper Fo measuring instrument
Model OST-727
1) Summary
Model OST-727 is a measuring instrument which measures displacement of the cone paper excited
by the drive loudspeaker with a displacement sensor (option), and sets frequency at the
displacement peak value to Fo according to direct method.
2) System composition
・Measurement unit
Drive signal part
D/A converter, Sine wave oscillator, Power amplifier
Sensor amplifier part
A/D converter, Sensor amplifier
・Personal computer (OS : Windows 7 64bit version
Japanese edition)
・LCD monitor
・Key board
・Mouse
・Printer
・Displacement sensor (option)
※Recommended item <Laser differentiation displacement sensor>
Product made in KEYENCE COPORATION (Japan)
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http://www.keyence.co.jp
Sensor head : Model IL-030
Reference distance : 30mm , Repeatability : 1μm ,
Measuring range from head : 20 to 45mm→Used by ±10mm from the reference distance (30mm)
Sampling : 0.33/1/2/5ms (4levels selectable) →
Used by 0.33ms
Times of an average : Used by one time
Amplifier unit : Model IL-1000
Analog voltage output : ±5V
3)
Specifications
Frequency Range
Frequency Resolution
Accuracy of Frequency
Distortion
Output Voltage
Output Voltage Accuracy
Sweep Frequency Range
Sensor Input
Sensor Input range
Sensor Locative-calls Voltage
Measuring Time
Measurement Accuracy
Measurement Result Output
Judgment Allowance Setup
Upper and Lower Limit Allowance
Setup
Output items
10Hz～1000Hz
2,048 points of logarithm (between start frequency and stop
frequency)
Within 0.1%
Within 3%
0.100V～4.000V (0.001V step).
Constant voltage drive (Drive Speaker impedance 4Ω or greater)
±(3%+0.02V)
± Two times of the allowance or Setting up manually
e.g. In case of Fo=200Hz allowance ±30Hz
→Sweep Frequency Range:140Hz～260Hz
3.5VAC rms
1 time, 5 times, 25 times
Three ranges
Auto range
±5VDC
Approx. 4 seconds
±(3%+1Hz) at Q=1.6 or greater
Serial number, fo(measured value), Judgment(Go, Lo, Hi)
Centering Frequency 10Hz～1,000Hz(0.1Hz step)
±1.0Hz～200.0Hz(0.1Hz step)
Power Source
Power consumption
Dimensions (Measurement unit)
Setting conditions (Product number, Lot, Measurement date,
Temperature and relative humidity, Memorandum, Centering fo,
Upper and lower limit allowance), Number of measurement,
Average value, Maximum value, Minimum value, R(max.-min.),
Standard deviation, Cp, Cpk, Histogram, Number(good, no good
(Lo, Hi, total)), Rate(good, no good)
AC 100, 120, 200, 220,240V ±(internal change) 50/60Hz
100W
390(W) × 110(H) × 280(D) mm (excluding projections)
Mass (Measurement unit)
About 6.7kg
Other Functions
Buzzer sound(one time:NG(No Good), two times:Not Found),
Measurement result preservation, Measurement graph output
(jpg, csv, printer)
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4)
Block diagram
5)
The results of the measurement
This model is often modified a part module due to improvement.
2013/ 9/13 Onsoku Electronic Corporation
http://www.onsoku.co.jp
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