Norsonic NOR1218 Outdoor Microphones

Experience the Norsonic NOR1218 Outdoor Microphones — engineered for precise, standards-compliant acoustic measurements. Features IEPE Outdoor microphone for semi-permanent installations Outdoor microphone for community and aircraft noise. Directly powered and supported by Nor131 or Nor139 (built in selectable frequency correction networks). Fulfils IEC 60651, IEC 61672 class 1 and ANSI S1.4 type 1. Protection class IP 55 (dust and water). Easy to calibrate with a normal ½” sound calibrator. Low self noise – typically below 18 dB, A-weighted. Low cost – uses microphone and preamplifier supplied with Nor131 or Nor139 . Supplied with a accredited calibration certificate. Standards IEC 60651 IEC 61672:2013 ANSI S1.4 type 1. Specifications Acoustic performance: IEC 60651, IEC 61672 class 1 and ANSI S1.4 type 1 (frequency correction applied) with a suitable instrument (Nor131/Nor139). Max sound pressure level: >140 dB peak dependent on supply voltage. Microphone cartridge: Nor1227 or Nor1228 (1/2” 50 mV/Pa) Polarization voltage: 0 volt Inherent noise: < 18 dB A-weighted Reference direction: Vertical or horizontal dependent on the applied frequency correction Ingress Protection Category: IP55 according to IEC 60529. Supply voltage: IEPE Power consumption: 30 mW (dependent on supplied current) Connector: TNC Temperature range: -40ºC to +85ºC Height: 375 mm / 14.8”(1” pipe mounting), 450 mm / 17,7” with tripod adaptor Diameter: Approx 80 mm / 3.1” (with windshield) Weight: Approx 300 g (with preamp microphone) Mounting thread: Standard 1” pipe threads according to ISO 228. When using the tripod adapter: 3/8” UNC.