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> New digital sound pressure level spl meter AR824
New digital sound pressure level spl meter AR824
New Digital Sound Level pressure Checking Meter(AR824)
Accuracy:=/ -1.5dB(under reference conditions)
Frequency range:31.5Hz to 8.5K Hz
Measuring level:30 130dBA,35-130dBC
Bar graph:50dB scale at 1dB step for monitoring current sound pressure
Level ranges:30-80dB;50-100dB;60-110dB;80-130dB;
Over indicate over range:Under indicate less than lower limit of the range
AC output:0.707Vrms at FS output impendance approx 600
DC output:10mV/dB output impedace approx 100
Power supply:4*AA 1.5V alkaline cells or DC 6V 100(maximum DC 9V)
Self calibration time:10 sec (every turn on)
Operating Temperature:0C to 40C
Operating Humidity:10% to 80%RH
Storage Temperature:-10C to 60C
Dimensions:265(L)*72(W)*35(H)mm
Weight:300g(including batteries)
Do not operate the unit at high temperature and Humidity environment.
Please take out battery from unit if not in use for any extended period of time.
Onece using the unit in the presence of wind.it is a must to mount the windscreen to not
Operating Environmental conditon:Below 200 feet in Height,Humidity
1 x manual, noise suspension foam
item sent by post office air mail, it takes 7 days.
