Description
SPECIFICATIONS:
MEASURING RANGE: 30 - 130 DBA; 35 - 130 DBC
ACCURACY: ±1.5 DB (REFERENCE SOUND PRESSURE STANDARD, 94DB@1KHZ)
FREQUENCY RANGE: 31.5HZ - 8.5KHZ
LEVEL RANGE: 30 - 80, 50 - 100, 60 - 110, 80 - 130, 30 - 130 DB
LINEARITY RANGE: 50DB / 100DB
FREQUENCY WEIGHTING: A / C
DIGITAL DISPLAY: 4 DIGITS
RESOLUTION: 0.1DB
ANALOGY BAR GRAPH: 1DB / 1 BAR GRAPH
OVER INDICATION: OVER / UNDER
AC OUTPUT: 4VRMS/ FULL BAR GRAPH, OUTPUT IMPENDENCE APPROX. 600 OHM
AUTO POWER OFF: 10 MINUTES WITHOUT OPERATION
TIME WEIGHT: FAST / SLOW
MICROPHONE: 1/2 INCH POLARIZATION CAPACITANCE MICROPHONE
POWER SUPPLY: 4PCS AA BATTERIES