Advertisement
(3) Attenuator
a. Input impedance:
6002 unbalanced
b. Maximum attenuation:
121dB
c. Minimum attenuation:
0.1dB
(4) Oscilloscope
a. Cathode ray tube:
Effective ranges
88cm
b. Vertical axis
* Input sensitivity :
30mV~30V/cm
* Frequency band:
DC ~2MHz
* Transient time:
180ns.
* Input impedance:
1MQ, 35 pF
c. Horizontal axis
* Tuning range:
30 Hz ~ 2 MHz
* Sweep time:
lus~ 100ms/cm
* External Sweep:
1Vp-p/cm or more
(5) Digital electronic counter
a. Number of figure:
4 (decimal system)
b. Input sensitivity;
100mVrms
c. Input impedance:
1MQ, 40 pF
d. Frequency measurement range:
10Hz~ 100 kHz
e. Counting time:
0.1s, Is, 10s
(6) Wow meter
a. Measured center frequency range:
3kHz +4%
b. Input level range:
30mV~3V
c. Input impedance:
About 50 KQ unbalanced
d. Measurement:
0.01~3% (5 ranges)
e. Indicator error:
Maximum error in indicated value +5%
in each range.
f. Frequency response:
Contorming to weighting curve
characteristics (WRMS), JIS C5551.
Flat characteristics (RMS)
0.5~200Hz, within ~3 dB (4Hz basis)
g. Meter indication system:
Effective value indication, conforming to
JIS C5551.
h. Meter response characteristic:
About 5~ 7 sec.
i. Oscillation frequency:
3 frequencies (3kHz, 3kHz +3%)
j. Temperature range:
0~40°C
Advertisement
