- 面议
参考价：
起订量：
VP-7650A 供应乐声VP-7650A Audio video Tester 50
- 型号
- VP-7650A
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详细信息
Audio Measurement Audio Measurement |
Input channel Input channel | |
AC input AC input | |
Number of Channel Number of Channel | 10 channels: L/ Rx5 10 channels: L/ Rx5 |
Connection | BALANCE |
Impedance | 100 k Ω ±10 %, 2 200 pF Input terminal to common 100 k Ω ±10 %, 2 200 pF Input terminal to common |
Connector | 25 pins D sub connector 2 pcs. 25 pins D sub connector 2 pcs. |
DC input DC input | |
Channel | 1 channel, DC only 1 channel, DC only |
Connection | UNBALANCE |
Impedance | 1 M Ω ±10 % 1 M Ω ±10 % |
Connector | 25 pins D sub connector 1 pce. R ch. Pin-25 25 pins D sub connector 1 pce. R ch. Pin-25 |
DC level measurement DC level measurement | |
Measurement range Measurement range | ±100 V / ±10 V / ±1 V ±100 V / ±10 V / ±1 V |
Accuracy | ± Full scale x 0.005+Reading x 0.01 V ± Full scale x 0.005+Reading x 0.01 V |
Frequency measurement Frequency measurement | |
Frequency range Frequency range | |
Measurement range Measurement range | 10 Hz to 100 kHz 10 Hz to 100 kHz |
Resolution | 0.01 Hz ≤ 999.99 Hz 5 digits 3 1 kHz 0.01 Hz ≤ 999.99 Hz 5 digits 3 1 kHz |
Accuracy | ± 5x10 -5 +1 digit ± 5x10 -5 +1 digit |
Input level range Input level range | 30 mV [rms] to 100 V [rms] 30 mV [rms] to 100 V [rms] |
AC level range AC level range | |
Measurement range Measurement range | |
Range | 100 V [rms]/ 30 V [rms]/ 3 V [rms]/ 300 mV [rms]/ 100 V [rms]/ 30 V [rms]/ 3 V [rms]/ 300 mV [rms]/ |
Accuracy | 30 mV [rms]/ 3 mV [rms]/ 0.3 mV [rms] 30 mV [rms]/ 3 mV [rms]/ 0.3 mV [rms] |
3 mV to 100 V range 3 mV to 100 V range | ±3 % of full scale Frequency: 1 kHz ±3 % of full scale Frequency: 1 kHz |
0.3 mV range 0.3 mV range | ±10 % of full scale Frequency: 1 kHz ±10 % of full scale Frequency: 1 kHz |
Unit | V [rms]/ mV [rms]/ dBV/ dBm/ W V [rms]/ mV [rms]/ dBV/ dBm/ W |
Response characteristics Response characteristics | |
Response method Response method | RMS |
Response speed Response speed | SLOW < 100 Hz /FAST 3 100 Hz SLOW < 100 Hz /FAST 3 100 Hz |
Audio Measurement Audio Measurement | |
AC level range AC level range | |
Frequency response Frequency response | ±0.5 dB 50 Hz to 20 kHz Full scale input REF: 1 kHz ±0.5 dB 50 Hz to 20 kHz Full scale input REF: 1 kHz ±1 dB 20 Hz to 100 kHz Full scale input REF: 1 kHz ±1 dB 20 Hz to 100 kHz Full scale input REF: 1 kHz |
Residual noise Residual noise | ≤ 5 μV [rms] 20 kHz BW ≤ 5 μV [rms] 20 kHz BW ≤ 50 μV [rms] 100 kHz BW ≤ 50 μV [rms] 100 kHz BW |
Imaginary load Imaginary load | Valid in Watt display Valid in Watt display |
Setting range Setting range | 2 to 999 Ω 2 to 999 Ω |
Resolution | 1 Ω 1 Ω |
Ratio measurement Ratio measurement | |
Denominator level Denominator level | |
Measurement range Measurement range | 100 V [rms]/ 30 V [rms]/ 3 V [rms]/ 300 mV [rms] 100 V [rms]/ 30 V [rms]/ 3 V [rms]/ 300 mV [rms] |
Accuracy | ±3 % of full scale Frequency: 1 kHz ±3 % of full scale Frequency: 1 kHz |
Unit | V [rms]/ mV [rms]/ dBV/ dBm V [rms]/ mV [rms]/ dBV/ dBm |
Detection method Detection method | RMS |
Frequency response Frequency response | ±0.5 dB 50 Hz to 20 kHz Full scale input REF: 1 kHz ±0.5 dB 50 Hz to 20 kHz Full scale input REF: 1 kHz ±1 dB 20 Hz to 100 kHz Full scale input REF: 1 kHz ±1 dB 20 Hz to 100 kHz Full scale input REF: 1 kHz |
Residual noise Residual noise | ≤ 3 mV [rms] ≤ 3 mV [rms] |
Numerator level Numerator level | |
Measurement range Measurement range | Same as AC level measurement Except Watt Same as AC level measurement Except Watt |
Response characteristics Response characteristics | Same as AC level measurement Same as AC level measurement |
Frequency response Frequency response | Same as AC level measurement Same as AC level measurement |
Residual noise Residual noise | Same as AC level measurement Same as AC level measurement |
Level ratio Level ratio | |
Unit | dB |
Balance | At Denominator level = Numerator level ≥ 30 mV ±0.5 dB 50 Hz to 20 kHz At Denominator level = Numerator level ≥ 30 mV ±0.5 dB 50 Hz to 20 kHz ±1 dB 20 Hz to 100 kHz ±1 dB 20 Hz to 100 kHz |
Cross talk Cross talk | ≤ - 80 dB ≤ - 80 dB At Numerator level ≥ 1 V [rms] At Numerator level ≥ 1 V [rms] |
S/ N measurement S/ N measurement | |
S meas.N meas. S meas.N meas. | |
Measurement range Measurement range | Same as AC level measurement Except Watt Same as AC level measurement Except Watt |
Response characteristics Response characteristics | Same as AC level measurement Same as AC level measurement |
Frequency response Frequency response | Same as AC level measurement Same as AC level measurement |
Residual noise Residual noise | Same as AC level measurement Same as AC level measurement |
S / N Unit S / N Unit | dB |
Delay time Delay time | |
S delay time S delay time | 0.5 to 9.9 s 0.5 to 9.9 s |
N delay time N delay time | 0.5 to 9.9 s 0.5 to 9.9 s |
Distortion measurement Distortion measurement | |
Fundamental frequency Fundamental frequency | |
Spot frequency Spot frequency | 1 kHz 1 kHz Option: Two frequencies Option: Two frequencies 20 Hz to 1 kHz: One frequency 1 to 20 kHz: One frequency 20 Hz to 1 kHz: One frequency 1 to 20 kHz: One frequency |
Frequency range Frequency range | Spot frequency ±3 % Spot frequency ±3 % |
Input level Input level | |
Measurement range Measurement range | 100 V [rms]/ 30 V [rms]/ 10 V [rms]/ 3 V [rms]/ 100 V [rms]/ 30 V [rms]/ 10 V [rms]/ 3 V [rms]/ 1 V [rms]/ 300 mV [rms]/ 100 mV [rms]/ 1 V [rms]/ 300 mV [rms]/ 100 mV [rms]/ 30 mV [rms]/ 3 mV [rms] 30 mV [rms]/ 3 mV [rms] |
Accuracy | ±3 % of full scale Freq. : 1 kHz ±3 % of full scale Freq. : 1 kHz |
Unit | V [rms]/ mV [rms]/ dBV/ dBm V [rms]/ mV [rms]/ dBV/ dBm |
Detection method Detection method | RMS |
Frequency characteristics Frequency characteristics | ±0.5 dB 50 Hz to 20 kHz Full scale input, REF: 1 kHz ±0.5 dB 50 Hz to 20 kHz Full scale input, REF: 1 kHz ±1 dB 20 Hz to 100 kHz Full scale input, REF: 1 kHz ±1 dB 20 Hz to 100 kHz Full scale input, REF: 1 kHz |
Measurement range Measurement range | |
Measurement range Measurement range | 10 %/ 1 %/ 0.1 %/ 0.01 % 10 %/ 1 %/ 0.1 %/ 0.01 % |
Unit | |
Distortion measurement Distortion measurement | %/dB |
Second harmonics deviation Second harmonics deviation | ±1 dB Fundamental freq.: ≤ 10 kHz ±1 dB Fundamental freq.: ≤ 10 kHz ±2 dB Fundamental freq.: ≤ 20 kHz ±2 dB Fundamental freq.: ≤ 20 kHz |
Detection method Detection method | RMS |
