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Distortion Analyzer Series

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Product Introduction

       The KH series low distortion measurement instrument is a new generation of measurement equipment independently developed by Kaihong Company. It was designed based on contemporary technological developments, with reference to domestic and international related equipment and objective user needs. The minimum distortion measurement reaches 0.005%, widely used in audio, underwater acoustics, power systems and other fields. This series of instruments has fully automatic measurement functions for signal voltage, frequency and signal distortion. It represents the domestic advanced level in the field of signal distortion measurement, being a fully digital, fully automatic, multifunctional intelligent instrument.



Main Technical Features

ModelKH4116KH4136KH4136AKH4117
Distortion MeasurementInput   Signal Voltage Range300mVrms   ~ 300Vrms50mVrms   ~ 300Vrms500mVrms   ~ 300Vrms3mVrms   ~ 300Vrms
Frequency Test Range10Hz   ~ 110KHz (unbalanced); 20Hz ~ 40KHz (balanced)20Hz   ~ 110KHz (unbalanced); 20Hz ~ 40KHz (balanced)20Hz   ~ 110KHz (unbalanced)315Hz,   400Hz, 1KHz three - frequency points; 20Hz ~ 20KHz full frequency band
Distortion Measurement Range100%   ~ 0.01%30%   ~ 0.005%30%   ~ 0.005%30%   ~ 0.03%
Distortion Measurement Accuracy20Hz   ~ 20KHz, ±0.5dB; 10Hz ~ 110KHz, ±1dB; 0.03% and below, ±2dB20Hz   ~ 20KHz, ±0.5dB; 20KHz ~ 110KHz, ±1dB; 0.03% and below, ±2dB20Hz   ~ 20KHz, ±0.5dB; 20KHz ~ 110KHz, ±1dB; 0.03% and below, ±2dB20Hz   ~ 20KHz, ±0.5dB; 0.1% and below and input signal within 3mV ~ 300mV: ±2dB
SINAD MeasurementFrequency   Range-Same   as distortionSame   as distortionSame   as distortion
Evaluation Range-10dB   ~ 80dB10dB   ~ 80dB10dB   ~ 80dB
Voltage MeasurementFrequency   Range10Hz   ~ 550KHz (unbalanced); 20Hz ~ 120KHz (balanced)10Hz   ~ 550KHz (unbalanced); 20Hz ~ 120KHz (balanced)10Hz   ~ 550KHz (unbalanced)10Hz   ~ 550KHz (unbalanced)
Voltage Evaluation Range300μV   ~ 300V300μV   ~ 300V300μV   ~ 300V300μV   ~ 300V
S/N MeasurementS/N   Measurement Range-0   ~ 99.99dB0   ~ 99.99dB(Relative   to reference point): ±130dB
Frequency Range-10Hz   ~ 550KHz10Hz   ~ 550KHz10Hz   ~ 550KHz
Frequency MeasurementVoltage   Measurement10Hz   ~ 550KHz output signal ≥10mV10Hz   ~ 550KHz output signal ≥5mV10Hz   ~ 550KHz output signal ≥5mV10Hz   ~ 100KHz output signal ≥3mV
Distortion Measurement10Hz   ~ 110KHz output signal ≥500mV20Hz   ~ 110KHz output signal ≥50mV20Hz   ~ 110KHz output signal ≥50mV20Hz   ~ 20KHz output signal ≥3mV
Accuracy0.1%   ±2 digits0.1%   ±2 digits0.1%   ±2 digits0.1%   ±2 digits
Measurement   ModeSemi   - automaticFull   - automaticFull   - automaticFull   - automatic
Power   ConsumptionApproximately   20VAApproximately   20VAApproximately   20VAApproximately   20VA
Input   Impedance100kΩ//100pF100kΩ//100pF100kΩ//100pF 100kΩ//100pF
Volume290   (W) x120 (H) x320 (D) mm290   (W) x120 (H) x320 (D) mm290   (W) x120 (H) x320 (D) mm290   (W) x120 (H) x320 (D) mm
Power   Supply Voltage220V±10%,   50Hz/60Hz220V±10%,   50Hz/60Hz220V±10%,   50Hz/60Hz220V±10%,   50Hz/60Hz
WeightApproximately   8kgApproximately   8kgApproximately   8kgApproximately   8kg

ModelKH4135KH4135AKH4137KH4118
Distortion MeasurementInput   Signal Voltage Range50mV   ~ 300V50mV   ~ 300V50mV   ~ 300V50mV   ~ 300V
Frequency Test Range10Hz   ~ 110KHz (unbalanced); 20Hz ~ 40KHz (balanced)10Hz   ~ 110KHz (unbalanced)10Hz   ~ 150KHz (unbalanced); 10Hz ~ 100KHz (balanced)5Hz   ~ 20KHz
Distortion Measurement Range100%   ~ 0.005%100%   ~ 0.005%100%   ~ 0.005%0.01%   ~ 100%
Distortion Measurement Accuracy20Hz   ~ 20KHz, ±0.5dB; 20KHz ~ 110KHz, ±1dB; distortion ≤0.03%, ±2dB20Hz   ~ 20KHz, ±0.5dB; 20KHz ~ 110KHz, ±1dB; distortion ≤0.03%, ±2dB20Hz   ~ 20KHz, ±0.5dB; 20KHz ~ 110KHz, ±1dB; distortion ≤0.03%, ±2dB20Hz   ~ 20KHz ≤±0.5dB; 5Hz ~ 20Hz, ≤±1dB; distortion ≤0.03% or input signal 50 ~   300mV: ≤±2dB
SINAD MeasurementFrequency   RangeSame   as distortionSame   as distortionSame   as distortionSame   as distortion
Evaluation Range0dB   ~ 80dB0dB   ~ 80dB0dB   ~ 80dB0dB   ~ 80dB
Voltage MeasurementFrequency   Range10Hz   ~ 550KHz (unbalanced); 10Hz ~ 120KHz (balanced)10Hz   ~ 550KHz (unbalanced)10Hz   ~ 750KHz (unbalanced); 10Hz ~ 300KHz (balanced)5Hz   ~ 100KHz
Voltage Evaluation Range300μV   ~ 300V300μV   ~ 300V300μV   ~ 300V300μV   ~ 300V
S/N MeasurementS/N   Measurement Range0   ~ 99.99dB0   ~ 99.99dB0   ~ 99.99dB0   ~ 99.99dB
Frequency Range10Hz   ~ 550KHz10Hz   ~ 550KHz10Hz   ~ 750KHz10Hz   ~ 100KHz
Frequency MeasurementVoltage   Measurement10Hz   ~ 110KHz output signal ≥50mV10Hz   ~ 110KHz output signal ≥50mV10Hz   ~ 150KHz output signal ≥50mV5Hz   ~ 20KHz output signal ≥50mV
Distortion Measurement10Hz   ~ 110KHz output signal ≥300mV20Hz   ~ 110KHz output signal ≥50mV20Hz   ~ 110KHz output signal ≥50mV20Hz   ~ 20KHz output signal ≥3mV
Accuracy0.1%±2   digits0.1%±2   digits0.1%±2   digits0.1%±2   digits
Measurement   ModeFully   AutomaticFully   AutomaticFully   AutomaticFully   Automatic
Power   ConsumptionApproximately   20VAApproximately   20VAApproximately   20VAApproximately   20VA
Input   Impedance100kΩ//100pF100kΩ//100pF100kΩ//100pF100kΩ//100pF
Volume290   (W) x120 (H) x320 (D) mm290   (W) x120 (H) x320 (D) mm290   (W) x120 (H) x320 (D) mm290   (W) x120 (H) x320 (D) mm
Power   Supply Voltage220V±10%,   50Hz/60Hz220V±10%,   50Hz/60Hz220V±10%,   50Hz/60Hz220V±10%,   50Hz/60Hz
WeightApproximately   8kgApproximately   8kgApproximately   8kgApproximately   8kg



Contact Information

Tel: 18515136109 / 18500199966

Landline: 400 006 2299 ext. 1

Address:Jiayue Plaza, Daxing District, Beijing



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