Texio (Formerly Kenwood TMI) FL-180A - Kenwood Wow Flutter Meter
Overview
Features
Specifications
Calibration
Description
The FL-180A is a wow/flutter meter capable of measuring wow and flutter of a tape recorder VCR analog disk turntable‚ etc. The wow & flutter measuring range is from 0.003% to 10%‚ the measurement center frequency is 3 kHz ±300 Hz (JIS) the minimum input sensitivity is 0.5 mV and the meter indication can be selected to conform to any of the JIS NAV CCIR and DIN standards. In addition a 4-digit digital display counter and an audio compensation ON-OFF function are also provided. |
Features:
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Specifications
Wow/Flutter meter section | |
Measurement center frequency
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3kHz ±300Hz (NAB/CCIR/JIS standards) 3.15kHz ±300Hz (DIN standard) |
Input level range
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0.5mV to 100mV, 5mV to 30V (two ranges) |
Input impedance
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Approx. 300kΩ (unbalanced) |
Wow/flutter measurement range
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0.003 to 10% (5mV to 30V range), 6 range 0.01 to 10% (0.5mV to 100V range), 6 ranges |
Indication method
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RMS (JIS) Average value (NAB) Peak value (CCIR/DIN) |
Indication accuracy
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±5% of full scale (at 4Hz) |
Frequency characteristics
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|
Weighted characteristics
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In accordance with standards of NAB, CCIR/DIN, JIS (0.2 to 200Hz) |
WOW characteristics
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0.5 to 6Hz (-3dB±1dB) (NAB/JIS) 0.3 to 6Hz (-3dB±1dB) (CCIR/DIN) |
Flutter characteristics
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6 to 200Hz (-3dB±1dB) |
Unweighted characteristics
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0.5 to 200Hz (-3dB±1dB) (NAB/JIS) 0.3 to 200Hz (-3dB±1dB) (CCIR/DIN) |
Rolloff
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Below 0.5Hz: -6dB/OCT min. (NAB/ JIS) Above 200Hz: -15dB/OCT min. (NAB/ JIS) Below 0.3Hz: -6dB/OCT min. (CCIR/DIN) Above 200Hz: -15dB/OCT min. (CCIR/DIN) |
Maximum input voltage
|
100V (DC ACpeak) |
Input monitor
|
Level monitor lamp lights |
Frequency counter section
|
|
Measurement frequency range
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0.010kHz to 9.999kHz (1s gate) 0.010kHz to 55.00kHz (0.1s gate) |
Input level range | 100mVrms to 30Vrms |
Input impedance
|
Approx. 300kΩ (unbalanced) |
Counter capacity
|
4 digit (decimal), storage-type LED display |
Time base
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|
Time base frequency
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10.080MHz (internal quartz oscillator) or line frequency (50/60Hz) |
Time base frequency accuracy
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±5×10-5 (0 to 40℃) (internal quartz oscillator) or line frequency accuracy (line time base) |
Gate time
|
1s, 0.1s |
Measurement accuracy
|
±(1 digit time base accuracy) |
Maximum input voltage
|
100V (DC ACpeak) |
Input monitor
|
Level monitor lamp light at an input voltage of 100mV min. (lamp flashes at 9.999kHz or greater for a 1s gate time, and at above 55.00kHz for a 0.1s gate time, to indicate out-of -range condition) |
Outputs
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Recording-signal output
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|
Signal frequencies
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3kHz and 3.15kHz |
Accuracy
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±5×10-5 |
Output voltage
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Approx. 0.2Vrms (open circuit) |
Output impedance
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Approx. 600Ω (unbalanced) |
Distortion
|
1% max. (with 600Ω termination) |
Drift output (DRIFT)
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|
Output voltage
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Approx. ±1V DC for each ±1% of frequency drift |
Output impedance
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Approx. 600Ω (unbalanced) |
Oscilloscope output (TO SCOPE)
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|
Output voltage
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Approx. 3Vrms at full scale |
Output impedance
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Approx.600Ω (unbalanced) |
Recorder output (RECORDER)
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|
Output voltage
|
Approx. 1V DC at full scale |
Output impedance
|
Approx. 600Ω (unbalanced) |
Others
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|
Power source
|
100/120/220/216V to 250V AC, 50/60Hz, Approx. 14W |
Dimensions
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260 (W)×150 (H)×305 (D) mm |
Weight
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Approx. 5.2kg |
Accessories
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Instruction manual (1) Accessory cable (CA-36) (1) Power cord (1) |
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