Class 1 Measuring Instrument


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AM100 Class 1 Measuring Instrument

The Bedrock AM100 is our most advanced class 1 / type 1 acoustic measuring instrument. It includes all the functionality of the Bedrock SM90 and more. Additionally, the AM100 has higher specs all around, such as more storage, a better display, and integrated wireless connectivity.

Class 1 Measuring Instrument Real Time Analyzer Module


  • Class 1 / Type 1 sound level meter with fast, slow, impulse; A/C.Z-weighting, Leq, and SEL.
  • STIPA measuring with quick screening mode, pro mode, averaging mode.
  • Full STI using the direct method (65 second measurement). 
  • Speech Level Measurements cf IEC-60268 Annex J. 
  • Statistical acoustics (L10, L90, etc).
  • Real Time Analyzer (1/12, 1/6, 1/3 and 1/1 octave).
  • FFT analyzer (detailed frequency analysis up to 32768 lines).
  • RT60 measuring (reverberation times: T20/T30/EDT).
  • Noise Curves (NR, NC, PNC, NCB, RC, RC mark II).
  • THD+N.
  • Fundamental frequency estimation.
  • Building acoustics: D, R’, DnT, Dn.
  • Building acoustics: SRI/STC. 
  • Audio oscilloscope.
  • Long term logging and monitoring (LEQ, RTA).
  • AC Volt meter for audio line level measurements (dBU, dBV, V rms).
  • Calibrated audio recording.
  • USB audio device mode – calibrated audio for your PC-based software applications.
  • More functionality will be added through free future firmware upgrades.


  • 20 – 20.000 Hz frequency range.
  • Dynamic range of 20-130 dB with included. microphone; up to 145 with attenuator which is sold separately.
  • High resolution capacitive touch with TFT display.
  • 32 GB of storage with at least 30 GB available for user data.
  • Access to stored data and recorded audio through high-speed USB 2.0 interface.
  • Wireless control via Bluetooth and WiFi.
  • Second input channel.
  • Integrated signal generator with noise, STI signals, sines, and sweeps.
  • Headset jack for monitoring and recording voice notes.
  • Integrated long-life battery pack, which is rechargeable via USB Power Delivery.
  • Complies with IEC 60268-16 rev. 4, IEC 61672 Class 1, ANSI S1.4 Type 1, IEC-62160 class 0 (RTA), and ISO-3382.
  • All necessary accessories, such as microphone, charger, cables, windscreen and a ruggedized waterproof carrying case, are included
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