Outdoor microphones

Nor1216

Outdoor microphone

The Nor1216 outdoor microphone is a precision measurement microphone for demanding all‑weather conditions, designed for use with the Nor140, Nor145, and Nor150 sound level meters.

It incorporates SysCheck verification for quick functional control and a heated preamplifier for stable operation in cold and humid environments.

Nor1216 is engineered for permanent outdoor applications.

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Features

Standards

Specifications

Accessories

Downloads

Features

Fulfils IEC 60651, IEC 61672 class 1 and ANSI S1.4 type 1 (frequency correction applied).
Protection class IP 55 (dust and water).
Easy to calibrate with a normal ½” sound calibrator.
Microphone verification by SysCheck facility.
Low self noise – typically below 17 dB, A-weighted.
Delivered with individually calibration certification.
Built in heating for enhanced weather protection.
Directly powered and supported by Nor140, Nor145 and Nor150 (built in selectable frequency correction networks, heater supply and SysCheck signal generator).
Supplied with individual calibration certificate.
Type approved by PTB, Germany.

Standards

IEC 60651
IEC 61672
ANSI S1.4

Specifications

Acoustic performance: IEC 60651, IEC 61672 class 1 and ANSI S1.4 type 1 (frequency correction applied) with a suitable instrument (Nor140/Nor145/Nor150).
Max sound pressure level: >140 dB peak dependent on supply voltage.
Microphone cartridge: Nor1227 or Nor1225 (1/2” 50 mV/Pa)
Polarization voltage: 0 volt (Nor1227) 200V (Nor1225)
Inherent noise: < 17 dB A-weighted
Reference direction: Vertical or horizontal dependent on the applied frequency correction
Ingress Protection Category: IP55 according to IEC 60529.
Supply voltage: ±14 volt to ±16 volt
Current consumption: 18mA incl. heating.
Connector: 7 pin Lemo type 1B male
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.