Product information

CA111 sound calibrator

CA111 provides acoustic reference signals for microphone and sound-level instrument calibration.

Specifications

Product specifications with units, conditions and source references
AttributeValueConditionsSource
Reference sound pressure levels94 / 114 dBTwo selectable levels as described in the cited manufacturer article.Official CA111 product information
Reference frequency1 kHzManufacturer article lists ±0.5% frequency tolerance.Official CA111 product information
Microphone diameter compatibility1/2 and 1/4 in1/2 inch direct; 1/4 inch requires the adapter.Official CA111 product information
Operating temperature-10 to +50 °CManufacturer article; also observe specified humidity and pressure conditions.Official CA111 product information

Applications

  • Calibration of measurement microphones and sound level meters

Sources and updates

Scope of this page: Only the CA111 model/series and the listed source-supported attributes. Series maximums or model-dependent ranges are identified in the conditions; options and prices are not inferred.

  1. Official CA111 product information

    Original publication · BSWA Technology Co., Ltd.

    Document date: 25 May 2026Source accessed: 27 October 2026

Content updated 27 October 2026. Source dates describe the documents or the recorded access to them.

How information is documented