Overview
The Enviro Test Construct Noise Meter is a compact and precise sound level measuring device with a wide 30–130 dB range.
Equipped with a backlit LCD display, 6-gear analog display, and ±1.5 dB accuracy, it ensures reliable results in various environments.
Lightweight at just 190 g (0.42 lb), with up to 30 hours of battery life, it is suitable for fieldwork, labs, schools, and industrial applications.
Supports multiple versions (Chinese & English) with software and connection accessories available.
Features
- Wide Measurement Range: Accurately measures 30 dB – 130 dB, suitable for quiet rooms to industrial sites.
- High Precision: ±1.5 dB accuracy with 1 dB resolution for reliable sound level monitoring.
- Frequency Response: Covers 31.5 Hz – 8 kHz, ideal for environmental, workplace, and audio testing.
- Dual Display: Large backlit LCD with 6-gear analog display for real-time sound monitoring.
- Fast Response Time: Digital update in 160 ms and analog update in 40 ms for quick readings.
- Durable Microphone: Equipped with a 6 mm condenser microphone for long-term stability.
- Analog & DC Output: Supports AC 0.707 Vrms and DC 10 mV/dB outputs for external device connectivity.
- User-Friendly Design: Lightweight at just 190 g (0.42 lb), portable for indoor/outdoor use.
- Long Battery Life: Up to 30 hours continuous operation with a standard 9V battery.
- Environmental Adaptability: Operates reliably from 0°C to 50°C (32°F–122°F) with up to 80% RH humidity.
- Storage Ready: Can be safely stored at -20°C to 50°C (14°F–122°F) and ≤90% RH.
- Standard Accessories: Includes instruction manual, suitcase, and optional software & connection cable.
- Multi-Version Support: Available in Chinese & English versions for global usability.
Technical Specifications
| Frequency Range | 31.5 Hz – 8 kHz |
| Resolution | 1 dB |
| Accuracy (94 dB, 1 kHz) | ±1.5 dB |
| Update Time (Digital) | 160 ms |
| Update Time (Analog) | 40 ms |
| Analog Display (6 gears) | 30–80, 40–90, 50–100, 60–110, 70–120, 80–130 dB |
| Analog Output | AC 0.707 Vrms (Full scale), DC 10 mV/dB |
| Microphone | Diameter 6 mm |
| Battery Life | 30 hours |
| LCD Size | 42 mm (H) × 62 mm (W) |
| Operating Temperature Range | 0°C ~ 50°C (32°F ~ 122°F) |
| Storage Temperature Range | -20°C ~ 50°C (14°F ~ 122°F) |
| Operating Humidity Range | ≤ 80% RH |
| Storage Humidity Range | ≤ 90% RH |
| Grid Size | 77 × 254 × 37 mm |
| Specifications | Chinese & English versions |
| Battery | 9V × 1 (not included) |
| Accessories | Instrument, instruction manual, suitcase (optional software & cable) |
| Weight | 190 g (0.42 lb) |
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