نام محصول:
صدا سنج دیجیتال EJB 8921
برند:
BERCU
نام انگلیسی:
Digital sound level meter EJB 8921
مشخصات:
Other characteristics
digital, analog
Noise level
Max.: 130 dB
Min.: 30 dB
توضیحات:
EJB 8921 DIGITAL SOUND LEVEL METERS
Digital sound level meter gives possibilities to measure level of noise with indication of digital display with analog graph. Auto/Manual ranging gives wide possibilities for indication and data updating. Background noise absorber.
Monitor the sound levels from traffic noise, alarm systems and workplace machinery.
Auto range : 30-130dB
Big LCD : 42x64mm
Measurement level range : 6 ranges in 10-dB steps
Accuracy : 1,5dB
Digital display : 3-1/2 dight LCD
Analog output : AC – 0,707vrms; DC – 10mV/dB
Measurement frequency range : 31,5Hz – 8KHz
Measurement level A weidgting : 30dB-130dB
Measurement level C weighting : 35dB-130dB
Operational temperature : 0-50°C, 10-90%RH
Storage temperature : -20 – +60°C
Battery life : 20 hours typical (9V)
Dimensions : 80 x 256 x 38mm
Main functions
Quasi-Analog bar indicator: 1dB display steps, 50dB display range, updated every 50ms.
Digital display : 3-1/2 dight LCD, 0,1dB resolution updated 0,5 seconds
Measurement lever ranfe features 6 ranges in 10-dB steps : 30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120 dB, 80-130dB.
Background noise absorber mode filters ambient sounds.
Record Max/Min & Maximum Hold function.
A/C weighting selectionable.
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