Digital sound level meter EJB 8925

EJB 8925 SOUND LEVEL METER 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. Range A weighting : 40dB-130dB Range C weighting : 45dB-130dB Accuracy at 94 dB,1KHz : 2dB Analog Output : AC 0.707Vrms (F/ S) Operation Temperature : 0-50°C, 10-90%RH Storage Temperature : -20 - +60°C Quasi-A nalog Bar indicator : 1dB display step, 30dB display range, updated every 50ms Hold : Max./ Min. Record : Maximum Hold Microphone : 10mm Dia. electric condenser microphone Battery life : 30 hours typical (9V) Meter size : 57 x 230 x 44mm (8925) Main functions Digital display of sound level. Measurement frequency ranging 300 Hz to 8000 Hz. A & C weighting selectable. Quasi-Analog bar indicator : 1 dB display steps, 50dB display range, updated every 40ms. Auto or Manual ranging selectable. Fast & Slow response selectable. Maximum hold. Record Max./ Min. Microphone : 6mm (Dia.) electric condenser type. Large 3-1/2 digit LCD display. Auto power off : 20 min after non-operation. Low battery indicator. Monitor the sound levels from traffic noise, alarm systems and workplace machinery.