Brüel & Kjær 2250 Sound Level Meter with 4189

For Sale Brüel & Kjær 2250 Sound Level Meter with 4189 Calibrator. This unit is in excellent condition, has been fully tested and is guaranteed functional.

Features :

• Single-channel input (microphone, accelerometer or direct signal)
• 4.2 Hz – 22.4 kHz broadband linear frequency range with supplied microphone
• Type 4189
• 16.6 – 140 dB A-weighted dynamic range with supplied microphone Type 4189
• Inputs: AC or CCLD, External Trigger
• Outputs: Generator and Headphone
• Communication via USB, LAN, or GPRS/3G modems
• USB 2.0 host for connection to printer, GPS, weather station, modem
• Plug-in rechargeable Li-ion battery (> 8h operation)