Sound Level Meter
NL-27

Ultra compact and lightweight. Fits into a pocket.

  • Wide linearity range - from 30 to 137 dB without range switching
  • Quick start-up and easy operation to measure Lp, L eq, Lmax, LE and L Cpeak
  • Frequency range from 20 Hz to 8 kHz
  • Frequency weighting: A and C
Description Specifications

Product Full Description

Ultra compact and lightweight. Fits into a pocket.

  • Compliant with Japan Measurement Law, JIS and IEC requirements
  • Wide 107 dB linearity range allows measurements from 30 to 137 dB without range switching
  • Easy measurement of sound level (Lp), equivalent continuous sound level (Leq), maximum sound level (L max), sound exposure level (LE) and peak sound level (LCpeak)
  • Manual store function and capability to transfer data to a computer via optional USB adapter cable
  • 9 hours operation on two AAA (IEC R03) alkaline batteries

General

Standard compliance

General-Purpose Sound Level Metering according to Japan Measurement Law JIS C 1509-1: 2017 Class 2
IEC 61672-1:2013 Class 2
CE Mark, WEEE Directive

Measurement Functions || Processing Functions (normal mode)

Sound level Lp
Equivalent Continuous Sound Level Leq
Sound Exposure Level LE
Maximum Sound Level Lmax
Peak Sound Level LCpeak (only when range was selected)

Measurement Time Settings

1 min, 5 min, 10 min, 1 hour

Microphone

Type

UC-52 || 1/2 inch electret condenser microphone

Sensitivity level

-33 dB ±3 dB (re.1 V/Pa)

Measurement Level Range (normal mode)

A-weighting: 30 dB to 137 dB
C-weighting: 36 dB to 137 dB

Linear Operation Range (A-weighting, 1 kHz)

30 dB to 137 dB

Peak Sound Level Measurement Range

65 dB to 140 dB

Residual Noise Level

A-weighting: Max 24 dB
C-weighting: Max 30 dB

Measurement Frequency Range

20 Hz to 8 kHz

Reference Frequency, Reference Sound Pressure Level

Reference Frequency: 1 kHz
Reference Sound Level: 94.0 dB

Full Data Sheet

For access to the full data sheet, go to Rion - NL-27
Information on technical characteristics is based on the latest information available at the time of publication.