RION NL-28 Class 2 Sound Level Meter | IEC 61672-1 Class 2, A 30–137 dB, simultaneous A / C measurement, approx. 160 g, USB-C
RION NL-28 Class 2 Sound Level Meter: Compact, Simultaneous A / C Measurement Overview The NL-28 is a compact RION Class 2 sound level meter that measures A and C weighting simultaneously (Lpeak is C-weighted). It is suited to general noise measurement such as occupational safety and health. Automatic calibration is possible with the NC-75. The man
Overview
RION NL-28 Class 2 Sound Level Meter: Compact, Simultaneous A / C Measurement
Overview
The NL-28 is a compact RION Class 2 sound level meter that measures A and C weighting simultaneously (Lpeak is C-weighted). It is suited to general noise measurement such as occupational safety and health. Automatic calibration is possible with the NC-75. The manufacturer does not list an IP rating.
Key Specifications
- Standards: IEC 61672-1:2013 Class 2, JIS C 1509-1 Class 2
- Measurement range: A 30–137 dB, C 36–137 dB; C peak 65–140 dB
- Frequency and weighting: 20 Hz–8 kHz; A and C simultaneously; F / S
- Display and memory: 1.5-inch monochrome OLED; 200 records built in; USB Type-C
- Power and weight: 2 × AA approx. 9 h; approx. 200 × 50 × 34 mm, approx. 160 g
Applications
- Workplace noise checks.
Specifications per the RION product page and NL-28 catalog (retrieved 2026-10-21).
Specifications
- Key specifications
- IEC 61672-1:2013 Class 2A 30–137 dB, C 36–137 dB; simultaneous A / C measurement; 20 Hz–8 kHz1.5-inch OLED; 2 × AA approx. 9 h; approx. 160 g; USB-C
- Model
- NL-28
- Brand
- RION
- Purchasing
- In stock, tax incl. / B2B formal quotation request (RFQ)
- Warranty
- One-year manufacturer warranty
Calibration
If your instrument needs periodic calibration, register the brand, model and calibration requirements on the calibration service page and we will send a separate quote.
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