ATP E-Catalogue 2025 - Catalog - Page 36
MMT-911A Mini Sound Level Meter with Temperature
dB
°C
°F
A
Freq
Fast
Slow
Min
Hold
Max
Hold
Back
Light
Data
Hold
Auto
Off
Low
Battery
CAL
Battery
1
The MMT-911A mini digital sound level meter has a wide dynamic range and gives
virtually instant readings. It features an accuracy of ±2 dB, a fixed 8A9 frequency rating,
and the choice of fast or slow time weightings. It also features the current temperature
on its hi-contrast colour LCD display.
Frequency range of 31.5 Hz to 8 kHz.
Display updates every 300 ms.
Backlight for dark environments.
Single measurement range of 35 to 135 dB.
Fast 125 ms or slow 1 s time response weighting.
Hi-range >100 dB, lo-range
