Norsonic NOR103 Sound Level Meter

Discover the Norsonic NOR103 Sound Level Meter — engineered for precise, standards-compliant acoustic measurements. Applications Noise at work Environmental noise survey testing Product noise testing General purpose noise level meter Features Class 1 Sound Level Meter IEC 61672, JIS C1509-1 30 to 137 dB RMS, 60-140 dB Peak C without range switching Measure Lp, Leq, Lmax, LE and LCpeak Frequency range: from 10 Hz to 20 kHz Frequency weighting: A and C Time weighting: Fast / slow Measurement durations: 1, 5, 10, 60 min. Quick start up and easy operation Standards IEC 61672-1:2013 class 1 JIS C1509-1 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 level range: Wide range: A weighting: 30 dB to 137 dB, C weighting: 40 dB to 137 dB Peak range: 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 level: Wide range: A weighting: 21 dB or less, C weighting: 29 dB or less Peak range: A weighting: 54 dB or less, C weighting: 54 dB or less Frequency range: 10 Hz to 20 kHz Frequency weighting: A and C Time weighting: F (fast) and 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) *Preamplifier is an integrated part of instrument. Use of extension cable is not possible.