+SM71
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Features :
·Built-in the 1 / 1 octave filter, can manually or automatically select the center frequency of the filter
·Has the function of high capacity of data storage,can measure and store 3000 groups spectral data or 3000 groups equivalent continuous sound level
·128×64 dot matrix LCD display,clear and visual read.
·Data acquisition and storage,print function,can be connected with computer
Model | SM71+ Precision Spectrum Analyzer |
Standard | GB/T3785-1,IEC61672-1.The filter can meet the requirements of GB/T3241 and IEC61260 |
Frequency Range of Filter | 1/1 31.5Hz-16kHz totally 10 levels |
Measuring Range | 25dB~130Db(A) |
Type of Microphone | Φ127mm Electret condenser microphone |
Frequency weighted | A,C(weighting),Z(no weighting) |
Time-weighted | F(fast),S(slow) |
Range conversion | Manual(high,middle,low) |
Measuring mode | LP,Leq.LAE.Lmax,Lmin,LN(L5,L10,L50.L90,L95),SD,Ld,Ln,Ldn,Tr(.reverberation measurement) |
Time of measuring integral | Man,10s,1min,5min,10min,15min,20min,1h,8h,24h, measuring at every hour of one day |
display | 128×64 dot matrix LCD display,with background light |
Display Model | USA menu, dynamically display instantaneous sound level, noise spectrum and list of measurement data |
Clock | Real-Time Clock,back-up battery in the machine |
Output interface | AC signal,RS232 interface |
Power supply | Battery:4×LR6(5#),or 9V DC external power supply |
Dimensions | 230mm×72mm×30mm |
Weight | 0.4kg |
