| 供应乐声VP-7650A Audio video Tester 50 |
Output channel
Output channel
L&R/L/R
Frequency
RC spot oscillator
Frequency 1kHz
Option1 20Hz to 20kHz
Accuracy ± 3%
DDS
Frequency 20Hz to 20kHz
Resolution 0.1Hz: < 2kHz
1Hz: 2kHz
Accuracy ± 5x10 -5
Output level
Setting range/ Resolution Range 1: 0.26 to 2.55 V [rms] /10 mV [rms]
Range 2: 26 to 255 mV [rms] /1 mV [rms] (Open end)
Range 3: 1 to 25.5 mV [rms] /0.1 mV [rms] (Open end)
Accuracy ±0.5 dB (Output: 0.26 to 2.55 mV [rms]) ±1 dB (Output: 1.0 to 255 mV [rms])
Unit V [rms] /mV [rms] /dBV/ dBm
Residual noise
≤ 10 µV [rms] 20 kHz BW ≤ 50 µV [rms] 80 kHz BW
Flatness
RC spot oscillator
±0.5 dB (AF level: 2 V [rms] REF: 1 kHz)
DDS ±0.2 dB (AF level: 2 V [rms] REF: 1 kHz)
Distortion
RC spot oscillator
≤ 0.001 % (2 V [rms], 1 kHz, 20 kHz BW)
≤ 0.01 % (2 V [rms], 100 Hz to 10 kHz, 80 kHz BW)
≤ 0.02 % (2 V [rms], 20 Hz to 20 kHz, 300 kHz BW)
DDS ≤ 0.01 % (2 V [rms], 1 kHz, 20 kHz BW)
Output impedance
Output impedance
600 ±5 %
Audio Measurement
Input channel
AC input
Number of Channel
10 channels: L/ Rx5
Connection BALANCE
Impedance 100 k Ω ±10 %, 2 200 pF (Input terminal to common)
Connector 25 pins D sub connector 2 pcs.
DC input
Channel 1 channel, DC only
Connection UNBALANCE
Impedance 1 M Ω ±10 %
Connector 25 pins D sub connector 1 pce. (R ch. Pin-25)
DC level measurement
Measurement range
±100 V / ±10 V / ±1 V
Accuracy ± (Full scale x 0.005+Reading x 0.01) V
Frequency measurement
Frequency range
Measurement range
10 Hz to 100 kHz
Resolution 0.01 Hz ≤ 999.99 Hz 5 digits 3 1 kHz
Accuracy ± (5x10 -5 +1 digit)
Input level range
30 mV [rms] to 100 V [rms]
AC level range
Measurement range
Range 100 V [rms]/ 30 V [rms]/ 3 V [rms]/ 300 mV [rms]/
Accuracy 30 mV [rms]/ 3 mV [rms]/ 0.3 mV [rms]
3 mV to 100 V range
±3 % of full scale (Frequency: 1 kHz)
0.3 mV range
±10 % of full scale (Frequency: 1 kHz)
Unit V [rms]/ mV [rms]/ dBV/ dBm/ W
Response characteristics
Response method
RMS
Response speed
SLOW (< 100 Hz) /FAST (3 100 Hz)
Audio Measurement
AC level range
Frequency response
±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)
Residual noise
≤ 5 μV [rms] 20 kHz BW
≤ 50 μV [rms] 100 kHz BW
Imaginary load
Valid in Watt display
Setting range
2 to 999 Ω
Resolution 1 Ω
Ratio measurement
Denominator level
Measurement range
100 V [rms]/ 30 V [rms]/ 3 V [rms]/ 300 mV [rms]
Accuracy ±3 % of full scale (Frequency: 1 kHz)
Unit V [rms]/ mV [rms]/ dBV/ dBm
Detection method
RMS
Frequency response
±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)
Residual noise
≤ 3 mV [rms]
Numerator level
Measurement range
Same as AC level measurement (Except Watt)
Response characteristics
Same as AC level measurement
Frequency response
Same as AC level measurement
Residual noise
Same as AC level measurement
Level ratio
Unit dB
Balance At Denominator level = Numerator level ≥ 30 mV ±0.5 dB 50 Hz to 20 kHz
±1 dB 20 Hz to 100 kHz
Cross talk
≤ - 80 dB
At Numerator level ≥ 1 V [rms]
S/ N measurement
S meas. and N meas.
Measurement range
Same as AC level measurement (Except Watt)
Response characteristics
Same as AC level measurement
Frequency response
Same as AC level measurement
Residual noise
Same as AC level measurement
S / N Unit
dB
Delay time
S delay time
0.5 to 9.9 s
N delay time
0.5 to 9.9 s
Distortion measurement
Fundamental frequency
Spot frequency
1 kHz
Option: Two frequencies
(20 Hz to 1 kHz: One frequency 1 to 20 kHz: One frequency)
Frequency range
Spot frequency ±3 %
Input level
Measurement range
100 V [rms]/ 30 V [rms]/ 10 V [rms]/ 3 V [rms]/
1 V [rms]/ 300 mV [rms]/ 100 mV [rms]/
30 mV [rms]/ 3 mV [rms]
Accuracy ±3 % of full scale Freq. : 1 kHz
Unit V [rms]/ mV [rms]/ dBV/ dBm
Detection method
RMS
Frequency characteristics
±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)
Measurement range
Measurement range
10 %/ 1 %/ 0.1 %/ 0.01 %
Unit
Distortion measurement
%/dB
Second harmonics deviation ±1 dB Fundamental freq.: ≤ 10 kHz
±2 dB Fundamental freq.: ≤ 20 kHz
Detection method
RMS
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公司名称: |
深圳市集成二手仪器商行 |
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联 系 人: |
李克 |
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联系地址: |
深圳市振华路赛格电子市场高科德交易中心二楼21805/华强北路都会电子城三楼3B073 |
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联系电话: |
0755-83276289/28210324 13902432460 |
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公司主页: |
http://www.jichengyiqi.com |
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来源Ip: |
116.30.244.95 （2008-3-28 8:49:30） |
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