GA507 Noise Log噪音計(jì)

CD quality recording onto SD memory card Simple one-push handset to start and stop recording No tapes or moving parts to wear out Dynamic range > 70 dB linear Date and time stamped on each recording Calibrated using industry-standard 94 dB calibrator ?available as an optional extra if required All contained in one robust, lockable metal case. All cable connections and controls except handset not accessible once locked. Case size 445 x 325 x 125mm. Weight 5.8 kg Recording time only limited by size of SD card memory fitted. Supplied with 1GB card giving 3.25 hours recording at 44.1 kHz sampling rate Available in 3 versions ?Class 1, Class 2 and Budget Class 1 and Class 2 versions meet the same frequency response and dynamic range requirements as sound level meters complying with IEC 60651 or IEC 61672 Class 1 and 2 versions can be verified by UKAS 朼ccredited calibration Supplied with mains power unit, handset, microphone, preamplifier and cable with tabletop tripod and mounting adaptor Software analysis package for any .wav or .bwf files including Noise-Log SD memory cards Download all files from card to PC either via USB link from recorder or by plugging card into PC reader Save, combine and rename files on PC Analyse files on screen with graph of level against time Analysis shows Max. SPL and time of occurrence, total measurement Leq and duration and 3 Ln values for whole file in one go Zoom in to any section of the recording ?same analysis available for new period of the recording Delete unwanted sections of recording and re-analyse on screen Save all modifications to PC, printout of any screen display. Export of data in formats to incorporate into reports, text only or text and graphs Enables almost instant viewing of complete file, enabling noisy periods to be rapidly identified and analysed ?including listening to the noisy section only