مقياس الضوضاء البيئية Cirrus Optimus+ — Cirrus Optimus+ Environmental Sound Level Meter
مقياس من الفئة الأولى لمسوحات الضوضاء البيئية وضوضاء الإنشاءات والتحقق من الامتثال والرصد الخارجي طويل المدى. — Class 1 meter for environmental and construction noise surveys, tonal noise checks, permit compliance and long-term outdoor monitoring.
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المواصفات الفنية — Technical specifications
- Brand: Cirrus Research
- Model: Optimus+ CR:171C
- Category: Sound level meter
- Standard: Class 1 to IEC 61672-1:2013; PTB and LNE pattern approvals
- Frequency analysis: 1/1 and 1/3 octave bands, 6.3 Hz-20 kHz
- Tonal noise detection: ISO 1996-2 simplified method
- Data logging: 8 GB memory (32 GB option)
- Audio recording and VoiceTag notes
- Connectivity: Bluetooth, USB; optional 3G/GPRS modem with GPS
- Battery: 4 x AA (about 12 h alkaline, 20 h lithium); weatherproof outdoor kit option