SL814 Digital Sound Noise Meter with USB PC Interface

Product Overviews
SL814 Digital Sound Noise Level Meter with USB PC Interface
Features
Conformed to the IEC 651 Type 2 and ANSI S1.4 Type 2 set standard
Wide Measuring Range: 40 ~ 130 dB
(optional with USB PC Interface)
With 2 equivalent weighted sound pressure levels A and C
Fast and Slow dynamic characteristic modes
Bar graph indication for Sound Level Range
Maximum hold function
Large LCD screen with 4 digits reading
MAX/MIN QUASI-ANALOG BAR INDICATOR
Fast & Slow response selectable
Low battery indicator
Measuring Level: 40~130dBA, 40~130dBC
Accuracy: ± 2 dB
Frequency Range: 31.5 Hz to 8.5k Hz
Linearity Range: 50dB
Frequency Weighting: A, C
Digital Display: 4 digits
Resolution: 0.1dB
Display: 0.5 secretary
Analog Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS
Overload indication: Under indicate less than lower limit of the range
AC output: 0.707 Vrms at FS output impedance approx 600?
DC output: 10 mV / dB output impedance approx 100?
Dynamic Characteristic (Time weighting): FAST (high speed) / SLOW (low speed)
Microphone: 1/2 inch electret condenser microphone
Max: Maximum hold
Power Supply: 9V alkaline battery(not included) or DC 9V 100mA
Operating Environment: 0° C to 40° C, 10% to 70% RH
Storage Environment: -10° C to 50° C, 10% to 80% RH
Packing Detail
Size:235mmx70mmx30mm