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 Types 2250 and 2270 are innovative, hand-held analyzers from Brüel & Kjær. The analyzers’ easy, safe and clever design philosophy is based on extensive research. Type 2250 has won several awards for its excellent ergonomics and design. Both analyzers can host a number of applications including frequency analysis, logging, FFT, building acoustics and signal recording. Additionally, Type 2270 can simultaneously measure with two microphones, two accelerometers or one of each. All application modules can be ordered as part of a fully preconfigured instrument or separately at any time, as the need arises. The combination of application modules and innovative hardware makes these analyzers dedicated solutions for performing high-precision measurement tasks in environmental, occupational and industrial application areas. Together with MP Cloud support and Measurement Partner Suite for postprocessing, they provide a total solution for your measurement needs. H

 Uses and Features Uses

• Class 1 sound measurements to latest international standards • Environmental noise assessment and tone assessment (1/ 3-octave and FFT)

• Loudness and noise rating measurements • Occupational noise evaluation • Reverberation time measurements (see BP 2190)

• Building acoustics (see BP 2190) • Product quality control (see BP 2183) • Noise source identification using sound intensity (see BP 2341) * • Audiometer calibration

• Real-time analysis in 1/1- and 1/3-octave bands • Analysis of logging profiles for broadband parameters and spectra • Vibration criteria measurements

• Low-frequency building vibration according to ISO 8041:05 and DIN 45669 – 1:2010 – 09 • Whole-body and hand-arm human vibration measurements (RMS, MTVV and Crest Factor)

• Infrasound (G-weighting) measurements according to ISO 7196:1995 and ANSI S1.42 – 2001 (R2011) Features • Hardware: – 2-channel measurement capability with any combination of microphones and accelerometers* – Large, high-resolution, touch-sensitive colour screen – Communication via USB, LAN and options for Wi-Fi or 4G communication – Integral digital camera for documentation and reference* – Automatic detection of and correction for windscreen – Robust and environmentally protected (IP44)

• Software: – Dynamic range in excess of 123 dB(A) – 0.5 Hz – 20 kHz broadband linear range – Personalized measurement, display and job setup – ‘Smiley’ quality indicators with hints and warnings – Timers for automatic start of measurement – Measurement Partner Cloud (MP Cloud) – Measurement Partner Suite for comprehensive postprocessing – GPS coordinates stored with measurement data – Simultaneous noise and weather data acquisition – 24- or 16-bit recording during all or parts of measurement

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