Overview
The Enviro Test Construct Digital Sound Level Meter is a versatile instrument designed to measure sound pressure levels across 30–130 dB with precision. Featuring a large LCD backlit display, it ensures clear readings even in low-light conditions. Built with a capacitance microphone and overload protection, it delivers accurate results in industrial, commercial, and residential applications. Lightweight at 0.368 kg (0.81 lb), this meter is portable and ideal for professionals and everyday users.
Features
- Wide Measurement Range: Detects sound from 30 dB (quiet library) up to 130 dB (heavy traffic or machinery).
- Dual Frequency Weighting (A & C) for different acoustic conditions.
- Fast/Slow Time Weighting for real-time or averaged measurements.
- MAX/MIN Hold Function for capturing sound peaks or steady background noise.
- Large LCD Display with Backlight ensures clear readings even in dark environments.
- Capacitance Microphone provides stable and accurate noise detection.
- Overload Indicator & Auto Power-Off for safety and energy efficiency.
- Compact & Lightweight design makes it easy to carry for field measurements.
- Durable ABS Housing built for long-term use in industrial and domestic applications.
Technical Specifications
| Application | Industrial Noise, Environmental Noise, Traffic Noise, Domestic Noise |
| Noise Measurement Scope | 30–130 dB |
| Frequency Response | 31.5 Hz – 8 kHz |
| Frequency Weighting | A & C Weighting |
| Accuracy | ±1.5 dB |
| Resolution | 0.1 dB |
| Time Weighting | Fast (125 ms) / Slow (1 s) |
| Dynamic Range | 100 dB |
| Display Type | Large Digital LCD with Backlight |
| Hold Function | MAX/MIN/Current Value Lock |
| Alarm Indicator | Over-limit alert with visual indicator |
| Sensor Type | Capacitance Microphone |
| Overload Protection | Yes |
| Auto Power Off | After 10 minutes of inactivity |
| Battery Status Indicator | Yes |
| Operating Temperature Range | -10°C ~ 50°C (14°F ~ 122°F) |
| Storage Temperature Range | -20°C ~ 60°C (-4°F ~ 140°F) |
| Operating Humidity | 10% – 90% RH (non-condensing) |
| Material | High-Quality Plastic (ABS) |
| Color | Blue |
| Design Styles | Contemporary, Modern, Industrial, Asian, European |
| After-Sale Service | Free Spare Parts, Online Technical Support |
| Power Supply | Battery Operated (1 × 9V or 6F22 – not included) |
| Battery Life | Approx. 50 hours continuous use |
| Dimension | 272 × 70 × 39 mm (10.7 × 2.75 × 1.53 in) |
| Weight | 0.368 kg (0.81 lb) |
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