失真仪 LEADER LDM-170 DISTORTION METER
厂家：日本利达
range:0.3%,1%,3%,10%,30% and 100% full scale
accuracy:±5% of full scale,at 30% and lower ranges
frequency range:20Hz to 20KHz(FUNDAMENTAL)in three bands;calibration accuracy within ±5%
balancing controls provided
input voltage range: 0.35 to 30Vrms
input impedance:Approx.100kΩ;less than 50pF in shunt
fundamental suppression:over 70dB
residual distortion:liss than 0.03%
harmonic attenuation:within 0.5dB(2nd and 3rd harmonics)
S/N(Noise)Measurement
range:0 to 70dB below the reference level
input voltage rage:0.35 to 30Vrms
level measurement
voltage range:1mv to 300Vrms in 12 ranges; minimum reading ,0.1mv
accuracy:±5% of full scale
frequency range:20Hz TO 200KHz
Highpass filter:cutoff at 500Hz;6dB/octave attenuation
monitor output:Approx.1Vrms at full scale reading;output impedance,approx.1KΩ
