Sound Level Meter Types 2245 –
Instruction Manual
Page 7 of 110
Table 1.1 Hardware components needed for conformance testing of Sound
Level Meter Type 2245
Brüel & Kjær
Type/Part Number
Prepolarized Free-field ½" Condenser Microphone
Electrical Substitute for Microphone Type 4966, 15 pF
90mm Windscreen with auto detect insert, for Sound
Level Meter Type 2245
Tripod Extension for Hand-held Analyzers
Power supply with integrated USB-C cable, for Sound
Level Meter Type 2245
USB Shielded I/O Cable, Type A-to-C, USB 2.0, 1.0m, for
Sound Level Meter Type 2245
USB-C to 3.5mm (Mini) Jack Adapter for analog
Headphone, for Sound Level Meter Type 2245
Earphones, unscreened cable
Multifunction Acoustic Calibrator