SM Series
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Introduction:
Application :be used for general noise measurement,also used as pre-amplifier of acoustic measurement.
Characteristics:
·Dot matrix LCD,clear and accurate,with background light,can be reading at night.
·Small size, light weight
·Can maintain the maximum value and set sound level.
·AC and DC signal output
SM33B can analyze spectrum by optional filter.
Model | SM33 Integrating Sound Level Meter | SM33A Integrating Sound Level Meter | SM33B Integrating Sound Level Meter | |||
Standard | GB/T3785 2,IEC61672 2 | |||||
Frequency Range | 20HZ~12500KHz | |||||
Measuring Range | 30dB~130dB | 30dB~120dB | 30dB~130dB | |||
Type of the microphone | Φ127mm Electret condenser microphone | |||||
Frequency weighted | A,C | A,C,Z(no weighting) | ||||
Time-weighted | Fast(F) | Fast(F),Slow(S) | ||||
Range conversion | Automatic | Manual(high,low) | Manual(high,middle,low) | |||
Display Mode | LCD2×8 dot matrix | |||||
output | AC,DC signal | AC signal | ||||
Power supply | Battery:2×LR6 | |||||
Dimensions | 170mm×52mm×24mm | 200mm×63mm×30mm | ||||
Weight | 0.15kg | 0.2kg | ||||
