RION NL-28 ເຄື່ອງວັດແທກລະດັບສຽງ (30 dB ~137 dB)

Measurement functions: Lp, Leq, Le, Lmax, Lpeak

Frequency weighting: A-weighting, C-weighting

Time weighting: F (fast), S (slow)

Measurement time: 1 minute, 5 minutes, 10 minutes, or 1 hour

Measurement range: 30 dB ~137 dB (A weighting, 1kHz)

Tolerance: ±0.3dB (equivalent to class 1)

Display: Supports night observation and anti-glare during the day

Dimensions: 200 mm (H) x 50 mm x 34 mm

Weight: 160 g (including battery)

Power supply: AA batteries

Storage memory: 200 measurement data

Communication and report output port: USB-type C

Includes:

Main unit

WS-14 windscreen

Strap

Rubber holder for windscreen

USB port cover

AA batteries (2 pieces)

User manual