Class II sound level meter with logger function / USB interface/ Measuring range 30 ... 130 dB / LC Display / incl. Software / Memory for up to 32700 measured values

The sound level meter 322A is particularly suitable for measurements of noise pollution in the area of industrial, health, safety and environmental monitoring. The sound level meter has a logger function, which enables the storage of up to 32,700 measured values. This makes it ideal for long term monitoring. The sound level meter 322A can be connected to a PC with a USB cable.


A live measurement is also possible with the sound level meter and the data can be viewed directly and can be evaluated. The software provides data representation in graphics formats and tables. These data can, for example, be transferred to MS Excel. The sound level meter has an analog output and offers further equipment features that are unique in its class.

Sound Level Meter 322A

  • Noise levels Low 30 ... 80 dB
    Medium 50 ... 100 dB
    High 80 ... 130 dB
    Auto 30 ... 130 dB
    Dynamic range 50 dB
    Display 4-digit LCD
    Resolution 0.1 dB
    Accuracy ±1.4 dB
    Display update 2 x per second
    Frequency 31.5 Hz ... 8 kHz
    Storage capacity 32,700 values
    Frequency evaluation A and C
    Time evaluation fast (125 ms)
    slow (1 sec.)
    Microphone type Electret condenser
    Functions MIN, MAX, HOLD, ALARM
    Analog output AC/DC
    headphone
    Data interface USB
    Automatic shutdown after 15 minute inactivity
    Operating conditions 0 ... +40 °C, <90 % r.H.
    Storage conditions -10 ... +60 °C, 10 ... 75 % r.H.
    Power supply 9 V block battery (for ca. 30 h continuous operation)
    AC power
    Dimensions 280 x 95 x 45 mm
    Weight ca. 350 g
    Standards IEC 61672-1 (Class II)

Copyright© 2020 by Tops Instruments Supplies Co. graphics, data sheet, photos and videos all rights reserved.