Data Logging Sound Level Meter

Parameters of Data Logging Sound Level Meter :- * Measuring range: 75 - 135 dB (85dB Criterion), 80 - 140 dB (90dB Criterion) * Dynamic range: 60 dB. * Detector Characteristics: RMS and Peak * Frequency Weighting: a Aa Weighted in Accordance with BSEN60651. * Time Weighting: a Slowa in Accordance with BSEN60651. * Display: Digital 1 x 8 alphanumeric, digit size 7mm x 5mm Liquid Crystal Display * Memory: 5 Employee records storing 1 - minute values - 20 hours, 10 - minute values - 9 days (power dependant). * Microphone/Preamp: Pre-polarised A " condenser microphone, Cable length 0.8m * Calibration: In a CALa mode, instrument displays 1 second Leqa s over limited range. Instrument is then acoustically calibrated using GA601 or GA607 at 94dB or 104dB at 1KHz Potentiometer adjusted. Reference Frequency: 1KHz. Reference SPL: 94dB * Batteries: Type: IEC No. 6LR61. Life: for Duracell MN1604 - ~15 hours continuous. * Standards: Compliance with BS6402 (Dosemeters) and Designed to meet the requirement of the EMC regulations * Construction: Small, lightweight case of fibre-filled, ABS plastic. * Operation: Microprocessor based operation, tactile keypad operation, state of the art electronic design.