- The NA-42 covers a wide frequency and measurement level range and supports many different kinds of microphones. It can be used for precision measurements in diverse areas, including manufacturing and research. Suitable microphones include the low-noise microphones UC-34P and UC-57 (available in near future), and the UC-29 for measurements up to 100 kHz.
- Wide measurement frequency and level range, plus support for many different microphone types (from low to high sound pressure levels)
- High-resolution readout of sound pressure level down to two decimal points
- Integrated comparator function is convenient for use in measurement and monitoring systems
- Serial communication with up to 16 channels supported (with Multi-Channel Adapter SC-31M/S)
- Large, easy to read LCD panel with backlight
- Continuous operation up to 14 hours on one set of alkaline batteries (size "C" x 4).
- Batteries function as power failure backup during AC adapter operation.