SM50 STIPAmeter
The SM50 was designed from the ground up by the inventors of STIPA and is a fully compliant Speech Transmission Index measuring device as specified in IEC-60268-16 4th ed. (2011). It offers two STIPA measuring modes: a quick screening mode, optimized for ease of use and for quick use, and a “Pro” mode that offers the most complete and versatile functionality of any Speech Transmission Index measurement to date.
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The SM50 is a fully compliant class 2 sound level meter and real-time analyser. All functions featured on the Bedrock SM30 instrument are also included on the Bedrock SM50, perhaps making this the only acoustic measuring instrument you’ll ever need.
Functionality includes:
- STIPA measuring (quick screening mode, pro mode)
- Full STI using the direct method (65-second measurement). With firmware 2.0
- Speech Level Measurements cf IEC-60268 Annex J. With firmware 2.0
- Class 2 / Type 2 sound level meter (fast, slow, A/C.Z-weighting, Leq) conforming to IEC-61672 class 1, ANSI S1.4 Type 1
- Real-Time Analyzer (1/3 and 1/1 octave)
- FFT analyser (detailed frequency analysis up to 32768 lines)
- RT60 measuring (reverberation times: T20/T30/EDT)
- Noise Curves (NR, NC, PNC, NCB, RC, RC mark II) With firmware 2.0
- Calibrated audio recording
- LAeq long-term logging and monitoring
- Audio oscilloscope
- AC Volt meter for audio line level measurements (dBU, dBV, V rms) With firmware 2.0
- 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 24-124 dB (with included BAMT2 microphone)
- Full-colour resistive LCD touch screen (240×230 px)
- 4 GB of storage (of which at least 95% available for user data)
- Access to stored data and recorded audio through high-speed USB2.0 interface
- Integrated long-life battery pack, rechargeable via USB
- Complies with IEC 60268-16 rev. 4, IEC 61672 Class 2, ANSI S1.4 Type 2, IEC-62160 class 0 (RTA), ISO-3382
- All necessary accessories (such as microphone, charger, cables, windscreen and carrying case) are included in a ruggedized waterproof carrying case
Download the SM50 Datasheet
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