SPL metru digital, de mare acuratete, MODEL 33-2055
Se pot efectua masuratori pentru sisteme audio , sensibilitatea boxelor, SPL subwoofer , etc
Are iesire de 1v ,pentru masuratori precise a sensibilitatii incintelor.
Posibilitati multiple, MIN, MAX db, intervale de frecvente,viteza de masurare (0.2s-0.5s)
Are filet pentru montaj pe trepied .
Se vinde cu gentuța originala de transport

Specifications
Battery .................................................................................. 9V Alkaline
Microphone ............................................................ Electret Condenser
Range..................................................................................50 to 126 dB
Accuracy ............................................................... ±2 dB at 114 dB SPL
Reference ........................................................ 0dB = 0.0002 Micro Bar
Weighting .................................................................................. A and C
Display Response ........................................................... Fast and Slow

OUTPUT
Voltage................................................................ 1 Volt Peak-Peak Min.
(Open Circuit, Full Scale at 1 kHz)
Impedance ............................................................. 10 Kohm Min. Load
Distortion ..............................Less than 2% at 1 kHz, 0.5 V p-p Output
(Input: Mic Out, Output: 10 Kohm)

https://www.micro-machine-shop.com/Sound_Pressure_Meter_3302055_PM_EN.pdf