sound level meter[2 Nov. 2010, 22:14:37]
Keterangan
Digital Multi-function Sound Level Meter
With Bar-graph Indicating & Max Value Holding
Specifications:
Power supply : 9 V AC/ DC
Via power unit : max. 9 V DC, 100 mA
Via battery : 9 V battery
Battery life : approx. 20 hrs.
Measuring ranges : 30 - 80 dB
40 - 90 dB
50 - 100 dB
60 - 110 dB
70 - 120 dB
80 - 130 dB
30 - 130 dB
Accuracy : ± 1.5 dB @ 94 dB, 1 kHz
Frequency range : 31.5 Hz - 8.5 kHz
Level weighting : A or C
Microphone : electret condensor microphone
AC output : 0.707 V RMS
Output impedance : 600 ohm
DC output : 10 mV
Output impedance : 100 ohm
Supported operating systems : Microsoft® Windows® 98/ ME/ 2000/ XP
Optional Compter interface and software
Dimension ( LxWxH) : 145 x 110 x 60 mm
Weight : 0.6 kg
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