Sper-scientific 850013 Advanced Datalogging Sound Meter Manuel d'utilisateur télécharger pdf (Page 30)

SPECIFICATIONS

Accuracy: ± 1.4 dB (under reference

conditions at 94 dB, 1 KHz)

Measurement range: 30 ~ 130 dB

Frequency range: 20 Hz ~ 8 KHz

Dynamic range: 100 dB

Digital display: 4 digits

Resolution: 0.1 dB

Display update: 0.5 seconds

Analog display: 50 segment bar graph

Resolution: 2 dB

Display update: 50 mS

Frequency weighting: A/C

Time weighting: FAST (124 mS)

SLOW (1 second)

Microphone: ½” electret condenser

Alarm function: “OVER” indicates that the input

is over the upper range limit

“UNDER” indicates that the input

is less than the lower range limit

Datalogging capacity: 31,000 records

Operating temperature: 0 ~ 40°C (32 ~ 104°F)

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Sper-scientific 850013 Advanced Datalogging Sound Meter Manuel d'utilisateur Page 30