厂家: 日本NF

尺寸: 21×13×25 cm

重量: 3.6 kg

Fundamental frequency range: 20Hz to 20KHz in three continuous ranges with fine adjustment mechanism.

measuring range: 0.1% to 100% fullscale,7 ranges

input level range:

100mVr.m.s. to 100Vr.m.s.(at 100% CAL)

30mVr.m.s finely adjustable automatically

Fundamental harmonic rejection ratio: 80dB and above

Higher harmonic characteristic:

secondary to quintic harmonic characteristics:

within ±1dB at a basic frequency of 20Hz to 10KHz

within ±2dB at a basic frequency of 10KHz to 20KHz

Provided,however,that the higher harmonic frequency shall be 60KHz and below and the distortion factor 30% and below.

residual distortion factor: As shown in figure below,including hum and noise.

AC voltage measurement

Measuring range:

100μVr.m.s. to 10Vr.m.s. full scale but when an input
attenuator(ATT)is combinedly used.

100μVr.m.s. to 100Vr.m.s. full scale at 0dB in the input attenuator.

3mVr.m.s. to 3Vr.m.s. full scale at 30dB in the input attenuator.

100mVr.m.s. to 100Vr.m.s. full scale at 60dB in the input attenuator.

7 ranges with push-buttons used in every case mentioned above.

accuracy: within±3%(at 400Hz)

Frequency characteristics:

within ±0.5dB at 20Hz to 20KHz

within ±1dB at 10Hz to 200KHz

400Hz basic

Residual noise: 10μVr.m.s and below(4μVr.m.s typically)in terms of input,with input short-circuited for 100μV range.

Ratings commonly applicable

input impedance: Approx.100 kilo-ohms at 70pF and below parallel capacitance

Type of input: Unbalanced binding post

output: Unbalanced binding post

"X" output: Approx.1Vr.m.s(fundamental harmonic components of input signal) in deteriming a distortion factor(at 100% calibration)

"Y" output: Approx.0.5Vr.m.s(with meter at full scale) in determining a voltage(input signal output) and a distortion factor(higher harmonic signal output)

output impedance: Aprox.2.2 kilo-ohms

meter

type of indication: mean value detected with RMS value indicated(calibrated in terms of sine-wave signal)

classification: 1.5 class with mirror

scale: 0 to 3 and 0 to 10(voltage in percentage scale)

-16 to +2dB (dB scale: 0dB=0.775Vr.m.s)

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