Major Tech MT975 Digital Sound Level Meter, c/w USB Logging

A and C level weighting for checking in compliance with safety regulations IEC61672-1 class 2 Level weighting 30dB to 130dB Min/Max measurements Background noise absorber 1.4dB accuracy Fast / slow response Analogue AC / DC outputs Data logger function Memory for 32 700 readings The professional digital model MT975 offers A and C weighting measurements, maximum hold function and Slow and Fast response. The AC/DC outputs are ideal for connections to frequency analyser, level recorder, FFT analyser and graphic recorder or X-Y chart recorder. The MT975 meter is ideal for all general purpose measurements and the Level Function is designed for noise project, quality control, illness prevention and cure, plus all kinds of environmental sound measurements. It can be used to measure noise in factories, schools, airports and home, etc. Other uses could be for checking acoustics of studios, auditoriums and Hi-Lo installations. The MT975 is auto ranging and has a large backlit LCD with the benefit of a Quasi-Analogue bar indicator. Features include an analogue output, Min/Max record can be interfaced with a computer via the USB interface, software and cable are supplied as standard accessories. Specifications Function Range Resolution Accuracy Level Ranges Low 30dB – 80dB 0.1dB ±(1.4dB) Level Ranges Medium 50dB – 100dB 0.1dB ±(1.4dB) Level Ranges High 80dB – 130dB 0.1dB ±(1.4dB) Level Ranges Auto 30dB – 130dB 0.1dB ±(1.4dB) Frequency Range 31.5Hz – 8KHz Dynamic Range 50dB – 100dB Digital Display 4-digit LCD Display Frequency Weighting A/C Time Weighting Fast (125ms) Slow (1s) Microphone 0.5″ Electret condenser Min Max Ave Yes Alarm Function “over” and “under” limit range Data Output AC/DC from earphone, AC=1Vrms, DC=10mV/dB Data Logging 32 700 readings Pc Interface USB Overrange Indication Yes Data Hold Yes Back Light Yes Enclosure Over moulded casing Low Battery Indication Yes Battery 9V Weight 350g Dimensions 278 x 76 x 50mm   Includes: Carrying Case 9V Battery Instruction Manual Charger Software USB Cable Tripod Stand Screwdriver Downloads MT975 SoftwareMT975 Instruction Manual