RION NL-63 数字声级计 (28~138 dB. 20~ 8,000 Hz)

Measurement functions: Lp, Leq, Le, Lmax, Lmin, Ln (main channel), Lp (sub-channel)

Measurement time: 10s, 1, 5, 10, 15, 30m, 1, 8h, and user-selectable (up to 24h)

Frequency range: 20 Hz to 8,000 Hz

Measurement ranges:

A-weighted: 28 - 138 dB

C-weighted: 33 - 138 dB

Flat Z-weighted: 38 - 138 dB

Peak: dB

Measurement modes: Fast, slow, impulse

Digital data processing, sampling rate: 30.3µs (Leq, Lmax, Lmin, LE), 100ms (LN)

Microphone: 1/2 inch, UC-53 type

Power source: Battery, AC power, 220V/50Hz

Operating conditions: -10~50°C, 10%~90% RH

Dimensions: 260x76x33mm

Weight: 400g including battery.

Datasheet