The AET-933 is a lightweight and user friendly sound level indicator offering 4 measurements ranges (3 manually selectable, 1 auto range). It offers selectable 'A' or 'C' frequency weightings and a choice of either fast or slow time weightings. It is designed to match the accuracies required of IEC 61672:2013 at ±1.4dB.
Technical Specification
More Information
Brand
ATP
Type
Manual/Auto Ranging Sound Level Meter
Manufacturer Part Number
ET-933
Additional Information
Includes: soft carry case, wind muffler, battery
Features & Benefits
4 measurement ranges - 30 to 80dB/50 to 100dB/80 to 130dB/30 to 130dB
1dB resolution
Selectable 'A' or 'C' frequency weightings
Frequency range 31.5hz to 8mhz
Selectable fast (125ms) or slow (1s) time weightings
Precision 1/2in electret condenser microphone
Lmaximum (LAFmaximum, LASmaximum, LCFmaximum, LCSmaximum)
Lminimum (LAFminimum, LASminimum, LCFminimum, LCSminimum)
35mm LCD display with bargraph and function indicator
LCD display backlight
Data hold
Maximum hold - displays highest measured value
Minimum hold - displays lowest measured value
Low battery indicator
Auto power off after 15 minutes of no activity
Range 30 - 80dB, 50 - 100dB, 80 - 130dB, 30 - 130dB
Accuracy ±1.4dB
Frequency range 31.5Hz - 8kHz
Power 1 x 9V PP3 alkaline battery
Size 158 x 62 x 32mm