S P E C I F I C A T I O N S
4
W o w flutter meter section
Measuring center frequency:
Within 3 kHz ± 3 0 0 Hz ( J I S , N A B , CCIR)
Within 3.15 kHz ± 3 0 0 Hz (DIN)
Input level:
0.5 mV ~ 1 0 0 mV, 5 mV — 3 0 V , two ranges
Input impedance:
3 0 0 kfi ± 2 0 % , unbalanced
W o w flutter measurement
range:
0 . 0 0 3 ~ 10% (5 mV ~ 3 0 V range)
1
6 r n e s
0.01 ~ 10% (0.5 mV ~ 1 0 0 mV range)}
r
a
n
g
e
s
Display system:
R M S value ( J I S )
Mean value ( N A B )
Peak value (CCIR, DIN)
Display accuracy:
± 5 % of full scale (at 4 Hz)
Frequency response:
Weighted characteristic:
In accordance with J I S , N A B , C C I R / D I N
(at 0.2 - 2 0 0 Hz)
W o w characteristic:
0.5 ~ 6 Hz ( - 3 dB ± 1 dB) ( J I S / N A B )
0.3 ~ 6 Hz ( - 3 dB ± 1 dB) ( C C I R / D I N )
Flutter characteristic:
6 ~ 2 0 0 Hz ( - 3 dB ± 1 dB)
Unweighted characteristic:
0.5 - 2 0 0 Hz ( - 3 dB ± 1 d B ) ( J I S / N A B )
0.3 ~ 2 0 0 Hz ( - 3 dB ± 1 d B ) ( C C I R / D I N )
Roll off:
Less than 0.5 Hz; more than - 6 d B / o c t ( J I S / N A B )
More than 2 0 0 Hz; more than - 1 5 dB/oct ( J I S / N A B )
Less than 0.3 Hz; more than - 6 dB/oct ( C C I R / D I N )
More than 2 0 0 Hz; more than - 1 5 dB/oct (CCIR/DIN)
Maximum input voltage:
100V (DC + A C peak)
Input monitor:
Level monitor lamp ON at more than 0.5 m V / 5 mV
of input
Frequency counter
section
Measuring frequency range:
10 ~ 9 9 9 9 Hz
Input level:
1 0 0 mVrms ~ 3 0 V r m s
Input impedance:
3 0 0 kO ± 2 0 % (unbalanced)
Counting capacity:
Decimal system, 4-digit L E D memory display
Reference time:
Reference time frequency:
1 0 . 0 8 0 MHz (built-in crystal)
A C power frequency (AC line power)
Reference time frequency
accuracy:
± 5 x 10
5
( 0 ~ 4 0 ° C ) (built-in crystal)
Refer to A C power supply accuracy. (AC line power)
Gate time:
1 sec.
Measurement accuracy:
± (1 digit + reference time accuracy)
Maximum input voltage:
100V (DC + A C peak)
Input monitor.
Level monitor lamp ON at more than 100 mV of
input (flickers at more than " 9 9 9 9 Hz")
