Norsonic Nor103 Class 1 Sound Level Meter

SKU: Nor103

Compact yet powerful Class 1 Sound Level Meter

The Nor103 offers a compact and ergonomic design for portable and convenient noise measurements in most environments.

The Nor103 offers a compact and ergonomic design for portable and convenient noise measurements in any environment.

The Nor103 is a Class 1 Sound Level Meter built for straightforward noise measurement tasks. With a compact and ergonomic design, it’s ideal for handheld use in most environments. Each Nor103 unit includes a pre-polarized condenser microphone, windscreen, rubber protective case, printed manual, and 3-year warranty.

The Nor103 can measure a range of acoustic parameters, including Equivalent Continuous Sound Level (Leq), Fast or Slow time-weighted Sound Pressure Level (Lp), Maximum Sound Level (Lmax), Sound Exposure Level (LE), and Peak Sound Level (LCpeak). The Nor103 supports user-defined A or C frequency weighting and can store up to 199 measurements in its internal memory.

What's Included

The Nor103 includes the Nor103 sound level meter, pre-polarized condenser microphone, windscreen, rubber protective case, printed manual, and a 3-year warranty.

Options

In addition to the sound level meter, pre-polarized condenser microphone, windscreen, rubber protective case, printed manual, and a 3-year warranty, the Nor103 Option Kit also includes a Nor1255 acoustic calibrator and a small carrying case with room for both the Nor103 and Nor1255. 

Features

  • Compact Class 1 Sound Level Meter
  • Measures Lp, Leq, Lmax, LE and LCpeak
  • Frequency range: from 10 Hz to 20 kHz
  • Frequency weighting: A or C
  • Time weighting: F (Fast) or S (Slow)
  • Measurement durations: preset to 1, 5, 10, 60 min.
  • Quick start up and easy operation

Applications

  • General Noise Measurements
  • Occupational safety and health
  • Construction noise compliance
  • Vehicle noise inspections
  • HVAC noise

Specifications

Standard compliance: Measurement Law IEC 61672-1:2013 class 1, CE mark (EMC Directive 2004/108/EC), WEEE Directive
Measurement functions: Instantaneous Sound level Lp, equivalent continuous sound level Leq,
Sound exposure level LE, maximum sound pressure level Lmax
C weighting peak sound level LCpeak (when peak range is selected)
Microphone: 1/2-inch electret condenser microphone Model: UC-59
Sensitivity: -27 dB±2 dB (re.1 V/Pa)
Windscreen: Conforms to IEC 61672-1 Class 1 also with windscreen mounted
Measurement Range (Wide): A weighting: 30 dB to 137 dB, C weighting: 40 dB to 137 dB
Measurement Range (Peak): A weighting: 65 dB to 137 dB, C weighting: 65 dB to 137 dB
C weighting peak sound level: 68 dB to 140 dB
Inherent Noise (Wide range): A weighting: 21 dB or less, C weighting: 29 dB or less
Inherent Noise (Peak range): A weighting: 54 dB or less, C weighting: 54 dB or less
Frequency range: 10 Hz to 20 kHz
Frequency weighting: A or C
Time weighting: F (fast) or S (slow)
RMS detecting circuit: Digital processing
Sampling frequency: 40 kHz
Numeric display: 0.1 dB resolution
Bar graph: 30-130dB, resolution 5 dB, display update cycle 0.1 s
Power: Uses 2 size LR03 (ANSI AAA) batteries
Current consumption: Approx. 90 mA (when operating at 3 V)
Environmental conditions: ÷10°C to 50°C, 10% to 90% RH (No condensation)
Dimensions: 130 mm (H) × 63 mm (W) × 23.5 mm (D)
Weight: 105 g (incl. batteries)
Memory: Internal with room for 199 measurements recalled by user

Preamplifier is an integrated part of instrument. Use of extension cable is not possible.

Norsonic Nor103 Class 1 Sound Level Meter

SKU: Nor103

The Nor103 is the perfect sound level meter for portable noise measurement tasks.

Lightweight and extremely compact. Very portable, yet provides the reliability and precision required for a Class 1 Sound Level Meter.

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