Power Level Meter - dB Meter
Accuracy;±1.5dB
Frequency Response;31.5Hz—8kHz
Dynamic range;50dB
Frequency weighting;A\C
Time weighting;FAST 125ms, SLOW 1sec
Microphone;Electret Condenser microphone
Digital display;4 digitals, resolution 0.1dB, sampling rate 2 times⁄s
Analog bar display;Each analog bar is as 1dB, sampling rate 20 times⁄s
Measurement ranges;30—80dB, 40—90dB,50—100dB, 60—110dB, 70—120dB,80—130dB. Total of 6 ranges
Auto-range;Micro-computer can choose the best measurement ranges
Over range indicator;UNDER(less than range) and OVER (over range )
AC signal output;0.707 Vrms at FS (Auto-range mode isn’t included)
Output impedanceapprox; 600 Ohms
DC signal output;10mV⁄dB
Output impedance approx;100 Ohms
Power supply;Four LR03 AM4 1.5V SIZE AAA alkaline cells
Power life;About 35hrs(alkaline cells) Continuous operation
AC adapter;Voltage 9vDC
Voltage ripple <100mVpp
Supply Current 100mADC
Socket pin Ground
Casing positive
External Diameter 3.5mm
Operating temperature;0 ~ +40 °C
Operating humidity;10 ~ 80%RH
Storage temperature;-10 ~ +60 °C
Storage humidity;10 to 70%RH
Dimensions; 100*100*10,4 cm
Weight; 1 Kg
Weight;Approx.350g(including battery)
Accessories;Earphone plug, Operation manual |
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