accessories
Microphone PreAmplifier
The MA220 and MA230 offer a low noise microphone preamplifier compatible with standardized 1/2″ microphone capsules. Both include an electronic datasheet for fast setup and ensuring accurate measurements. The MA230 is additionaly enabled for periodic self-tests (Charge Injection Check CIC) dedicated for permanent noise monitoring stations.

Class 1 Sound Calibrator
The battery-operated Class 1 Sound Calibrator is classified for the calibration of class 1 measurement microphones, sound level meters and other acoustic measurement equipment. This precision microphone calibrator delivers 94 or 114 dB at a frequency of 1 kHz.

Manufacturer Calibration Certificate
The calibration certificate lists the individual product data with serial number. The calibration and adjustment procedures follow the documentation and traceability requirements of the EN ISO / IEC 17025 standard.

Weather Protection
Protect your measurement microphone from rain, wind, dust and perching birds with a professional outdoor weather protection kit. The corrosion-free polymer housing, windscreen, water-repellent membrane and bird spike provide excellent protection from rain, wind, dust and perching birds. A weather protection is dedicated for precise acquisition of environmental noise data in outdoor applications.
