Description
The GAD-201G distortion meter is aimed at total harmonic distortion (THD) and AC voltage measurement at audio frequency range, from 20 ~ 20kHz. Frequency and voltage are displayed simultaneously on dual meters, with measurement range automatically switching over full scale.
The frequency keys cover 400Hz, 1kHz, and 10kHz for commonly used measurement frequencies.
The output terminals can feed basic waveforms (X) and harmonic distortion (Y) to an external
monitoring device. Residual distortion, including hum and noise, is kept to a minimum level of
0.03%, making the GAD-201G ideal for high-end audio applications.
Features:
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Automatic level & distortion measurements
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Auto or Hold function selectable
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0.1% ~ 100% in 7 distortion measuring ranges
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20Hz ~ 20kHz in 3 continuous ranges
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400Hz, 1kHz, 10kHz 3 frequency spots
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1mVrms ~ 300Vrms in 12 ACV measuring ranges
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| SPECIFICATIONS | |
| DISTORTION MEASUREMENT | |
| Range
Fundamental Frequency Range Input Level Automatic Level Control Range Fundamental Rejection Second Harmonic Accuracy Residual Distortion |
0.1% ~ 100% full scale in 7 ranges by auto ranging 20Hz ~ 20kHz in 3 continuous ranges with fine adjustment tuning and 3 spots for 400Hz, 1kHz and 10kHz only 100mVrms ~ 300Vrms
±10dB 80dB or above Within ±1dB at a basic frequency of 20Hz ~ 20kHz (Including hum and noise) Less than 0.03% |
| AC VOLTAGE MEASUREMENT | |
| Range
Frequency Response Input Impedance Accuracy Residual Noise Output Leve Output Impedance |
1mVrms to 300Vrms full scale in 12 ranges by auto ranging 20Hz ~ 200kHz 1dB
100k 10%, 70pF or less(Unbalanced) Within 3% of full scale (at 1kHz) Less than 10 V (input short circuited) X : 1Vrms, Y : 500mVrms at meter full scale Approx. 600 |
| POWER SOURCE | |
| AC 100V/120V/220V/240V 10%, 50/60Hz | |
| DIMENSIONS & WEIGHT | |
| 310(W) x 165(H) x 300(D)mm, Approx. 4.6 kg |