Compare instruments
Up to 4 instruments of the same type, every published specification side by side. Rows where the values differ are tinted. A blank cell means the manufacturer does not publish that value.
Comparing 4 handheld sound level meters. Back to the category table.
| Specification | Rion NA-28Rion | Rion NL-28Rion | Rion NL-38Rion | Rion NL-52Rion |
|---|---|---|---|---|
| Status | Discontinued | Current | Current | Discontinued |
| Verified on | ||||
| Standards and class | ||||
| IEC 61672-1 class (differs) | Class 1 | Class 2 | Class 1 | Class 1 |
| Standards (differs) | IEC 61672-1:2013 class 1, IEC 61260:2014 class 1, ANSI/ASA S1.4-2014 Part 1 class 1, ANSI S1.11-2004 class 1, JIS C 1509-1:2017 class 1, JIS C 1513 / JIS C 1514:2002 class 1 | IEC 61672-1:2013 class 2, JIS C 1509-1:2017 class 2, JIS C 1516:2020 class 2 | IEC 61672-1:2013 class 1 | IEC 61672-1 class 1 |
| Measurement | ||||
| Channels | 1 | 1 | 1 | 1 |
| Measurement range (differs) | A 25 to 140 dB; C 33 to 140 dB; Z 38 to 140 dB | A 30 to 137 dB; C 36 to 137 dB | A 32 to 137 dB; C 40 to 137 dB; Z 45 to 137 dB | — |
| Linearity range (differs) | 110 dB (sound level meter mode); 95 dB (analyser mode) | — | — | — |
| Peak range (differs) | up to 143 dB | 65 to 140 dB (C-weighted peak) | 68 to 140 dB (C-weighted peak) | — |
| Frequency range (differs) | 10 Hz to 20 kHz | 20 Hz to 8 kHz | 10 Hz to 20 kHz | — |
| Frequency weightings (differs) | A, C, Z | A, C | A, C, Z | — |
| Time weightings (differs) | F, S, I | F, S | F, S, I | — |
| Parameters (differs) | Lp, Leq, LE, Lmax, Lmin, LN (1 to 99 %), Lpeak, Ltm5 | Lp, Leq, LE, Lmax, Lpeak | Lp, Leq, LIeq, LE, Lmax, Lpeak, Ltm5 | — |
| Analysis | ||||
| Octave bands (differs) | 1/1 and 1/3 | None | None | 1/1 and 1/3 |
| Octave band filter class (differs) | class 1 (IEC 61260:2014); octave 16 Hz to 16 kHz, 1/3 octave 12.5 Hz to 20 kHz | — | — | NX-42RT option |
| FFT (differs) | 8000 lines, 20 kHz range (NX-28FT card) | — | — | NX-42FT option |
| Reverberation time (differs) | Yes | No | No | — |
| Building acoustics (differs) | Yes | No | No | — |
| Audio recording (differs) | Yes | No | No | Yes |
| Logging and data | ||||
| Shortest logging interval (differs) | 100 ms (sound level meter mode); 1 ms (analyser mode) | 1 min | — | — |
| Memory (differs) | Internal 1000 sets; CF card (256 MB supplied, 2 GB recommended) | Internal, 200 data sets; 999 calibration records | Internal, 200 data sets; 999 calibration records | — |
| Hardware | ||||
| Microphone (differs) | 1/2" UC-59 with NH-23 preamplifier, -27 dB re 1 V/Pa | UC-52, about -33 dB re 1 V/Pa | Detachable microphone and preamplifier (model not named on datasheet); EC-38 extension cable optional | — |
| Detachable preamplifier (differs) | Yes | No | Yes | — |
| Display (differs) | 240 x 320 colour semi-transparent TFT-LCD with backlight | 1.5" monochrome OLED, 128 x 128 | 1.5" monochrome OLED, 128 x 128 | 3" colour LCD |
| Battery (differs) | 4 x IEC R14 (C) alkaline | 2 x AA (alkaline or Ni-MH) | 2 x AA (alkaline or Ni-MH) | Replaceable cells; rechargeable batteries usable |
| Battery life (differs) | 15 h | 9 h | 9 h | — |
| Weight (differs) | 730 g | 160 g | 190 g | — |
| Dimensions (mm) (differs) | 331 x 89 x 51 | 200 x 50 x 34 | 213 x 52 x 30 | — |
| Operating temperature (°C) (differs) | -10 to 50 | -10 to 50 | -10 to 50 | — |
| Connectivity and software | ||||
| Connectivity (differs) | USB mini-B, AC output, DC output, comparator output, external trigger input, infrared remote (NA-27RC1) | USB-C | USB-C | — |
| Software (differs) | AS-70 Waveform Processing, NX-28BA Building Acoustics card, NX-28WR Waveform Recording card, NX-28FT FFT card | — | — | AS-60, AS-60VM, AS-60RT, AS-70, NX-42EX Extended Function, NX-42RT Octave/1/3 Octave, NX-42FT FFT, NX-42WR Waveform Recording |
| Latest firmware (differs) | — | 01.02.0011 (22 July 2026) | — | — |