Integrating Sound Level Meter – Sound Level Meter for Noise at Work – dBAir Safety
| Category | Specification / Description |
|---|---|
| Models | dBAir Safety Class 1 (GA141S), Class 2 (GA241S), Safety Octave (1/1) Class 1 (GA141ISO), Safety Octave (1/1) Class 2 (GA241ISO), Environment Octave (1/3) Class 1 (GA141EO), Safety & Environment Class 1 (1/1,1/3), Safety & Environment Class 2 (1/1,1/3) (GA141SEO) |
| Applicable Standards | IEC 61672-1:2013, IEC 61260-1:2014 (Where Octave Bands Fitted), IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted) |
| Microphone | Class 1: Type 1 Pre-Polarised ½” (13.2mm) Electret Condenser -27±2dB re 1V/Pa; Class 2: Type 2 Pre-Polarised ½” (13.2mm) Electret Condenser -32±3dB re 1V/Pa |
| Measurement Range | Class 1: 20–115dB (Low), 45–140dB (High); Class 2: 20–115dB (Low), 45–140dB (High) |
| Noise Floor | Typical “A” Weighting: <15dB(A); “C” Weighting: <18dB(C); “Z” Weighting: <22dB(Z) |
| Frequency Range | 1Hz–20kHz (electrical); Class 1: 12.5Hz–20kHz (with mic); Class 2: 16Hz–16kHz (with mic) |
| Frequency Weightings | A, C, or Z |
| Time Weightings | Slow, Fast, Impulse (for both measurements) |
| Dual Measurements | Simultaneous dual measurement with independent time and frequency weightings |
| Octave Band Analysis | Where fitted, 1/1 or 1/3 octave band analysis possible on measurement 1 only |
| Display | 2.4″ Full Colour TFT, 240×320 pixels |
| Memory | 16GB standard |
| Input/Output Connection | Micro USB Type B |
| Power | 4×AA batteries (1.5V); operation up to approx. 12–16 hours depending on settings; USB socket for data transfer |
| Measurement Parameters | dBAir Safety: LSPL, LEQ, LMAX, LMIN, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator. Safety Octave: All above plus octave L values. Environmental: All above plus environmental indices like Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, user-definable Lns |
| Languages | English UK/US, Chinese, French, German, Italian, Portuguese, Brazilian, Russian, Spanish |
| Time History | Short: 10ms–60m; Long: 1s–24h; options for Smart Timer, Duration, or Interval Timer |
| Accessories | Dual level calibrator, outdoor cases, weatherproof enclosure, PSU, microphone extension cable, AC output cable |
| Environmental Conditions | Operating: up to +50°C, storage specifics model-dependent |
| Physical Dimensions | Including amplifier: 210mm (H) × 70mm (W) × 30mm (D); Excluding: 145mm (H) × 70mm (W) × 30mm (D); Weight: 480g (approx., with batteries) |
| Special Features | Wi-Fi enabled for data upload; direct CSV download; voice memos; automatic calibration; SNR and HML hearing protection assessment; boundary/compliance noise; litigation support (where applicable) |
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Description
Integrating Sound Level Meter – dBAir Safety Series
The dBAir Safety Series from Cirrus Research provides industry-leading integrated sound level meters designed to monitor, measure, and record noise exposure in workplace and environmental settings. Combining ease of use, wide measurement capabilities, and full standards compliance, these meters support effective Condition Monitoring, occupational safety, and environmental assessments.
Key Features
- Standards-Compliant: Meets IEC 61672-1:2013 and other relevant international standards
- Wide Model Range: Choose from Class 1 or Class 2, with optional 1/1 and 1/3 octave band analysis
- Smart Interface: 2.4″ color TFT display with intuitive menus and multilingual support
- Simultaneous Dual Measurement: Independent time and frequency weighting for comprehensive analysis
- Octave Band Functionality: Available for noise profiling and hearing protection assessment
- Wi-Fi Enabled: Wireless data upload, direct CSV export, and voice memo capability
- Automatic Calibration: Ensures accuracy without manual recalibration steps
- Robust Memory & Battery: 16GB storage and up to 16 hours of operation using 4 AA batteries
Technical Specifications Overview
- Measurement Range: 20–140 dB (Low to High)
- Noise Floor: <15 dB(A), depending on weighting
- Frequency Range: 1 Hz to 20 kHz (Electrical); 12.5 Hz–20 kHz (Class 1), 16 Hz–16 kHz (Class 2)
- Frequency Weightings: A, C, Z | Time Weightings: Fast, Slow, Impulse
- Measurement Parameters: LSPL, LEQ, LMAX, LMIN, Peak, LEP’d, Exposure Points, Dose, Lday, Lnight, Lden
- Data Logging: Time history from 10ms to 24h with Smart/Interval Timers
- Memory: 16 GB internal, supports extensive data logging
- Power Supply: 4 × AA batteries or USB, with 12–16 hours runtime
- Dimensions: 210 × 70 × 30 mm (with amplifier) | Weight: Approx. 480g with batteries
Applications
- Noise at Work Regulations Compliance
- Hearing Protection Evaluation (SNR, HML, Octave Analysis)
- Environmental Noise Assessments (Lday, Lnight, Lden, etc.)
- Boundary Noise Monitoring & Legal Compliance
- Litigation Support & Data Validation
Why Choose the dBAir Safety Series?
- Versatility Across Environments: From factory floors to outdoor boundaries, dBAir adapts to your measurement needs.
- Comprehensive Data: Captures all critical noise metrics for health & safety compliance and reporting.
- User-Friendly Design: Lightweight, portable, and equipped with a touchscreen interface for fast deployment.
- Digital Intelligence: Wi-Fi, cloud sync, and CSV export streamline your workflow.
- Trusted by Professionals: Built for HSE officers, acoustic consultants, and compliance auditors.
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