The MT975 Sound Level Meter 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-Fi 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
Accessories:
Carrying Case
9V Battery
Instruction Manual
Charger
Software
USB Cable
Tripod Stand
Screwdriver
Additional information
Level ranges low
30dB to 80dB
Level ranges low accuracy
±(1.4dB)
Level ranges low resolution
0.1dB
Level ranges medium
50dB to 100dB
Level ranges high
80dB to 130dB
Level ranges high accuracy
±(1.4dB)
Level ranges auto
30dB to 130dB
Level ranges auto accuracy
±(1.4dB)
Frequency Range
31.5Hz to 8KHz
Dynamic range
50dB to 100dB
Frequency weighting
A/C
PC interface
USB
Over-range indication
Yes
Time weighting
Fast (125ms) Slow (1s)
Microphone
½ Electret condenser
Digital Display
4 digit LCD Display
Min Max Ave
Yes
Alarm function
over and under limit range
Analogue output
AC/DC from earphone, AC equals 1Vrms, DC equals 10mV/db
