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.
Технические характеристики
CharacteristicsOther characteristicsdigital, analogNoise level
Min.: 30 dB
Max.: 130 dB
