Overview
Enviro Testers digital sound level meter gauge sound pressure levels crucial for studying noise pollution. They’re essential for quantifying various noises, notably in industrial, environmental, and aircraft contexts. These meters serve safety engineers, health professionals, industrial safety departments, and sound quality control teams across diverse environments.
Features
- Meets IEC PUB 651 TYPE2 and ANSI S1.4 TYPE2 standards
- Accuracy of ± 1.5 dB
- Measures sound levels from 30 dB to 130 dB
- Offers high/low speed rate selection
- Captures maximum recorded values
- Auto powers off after 10 min
- Provides AC and PWM signal outputs
- Includes a calendar function
- Stores up to 4700 data records
- Connects to PCs via USB for data download, real-time analysis, and printing
Technical Specifications
| Measuring range | 30 dBA to 130 dBA 35 dBC to 130 dBC |
| Accuracy | ± 1.5 dB |
| Frequency range | 31.5 Hz to 8.5 kHz |
| Resolution | 0.1 dB |
| Frequency weighting | A/C |
| Digital display | 4 digits |
| Analogy bar graph | 1 dB or 1 bar graph |
| Sample rate | 20 times/s |
| Microphone | 0.5 in (12.7 mm) polarization capacitance microphone |
| Dynamic range: | 50dB/100dB |
| Level ranges: | 30 dB to 80 dB; 50 dB to 100dB; 60 dB to 110 dB; 80 dB to 130 dB |
| AC signal output: | 4 Vrms/full bar graph, output impedance is about 600 ohms |
| Dynamic characteristic: | Fast (high speed)/ slow (low speed) |
| Calendar accuracy | ± 30 s/d |
| Data storage quantity | 4700 |
| The maximum value holding | MAX |
| Auto Power Off | V (after no operation for 10 minutes) |
| Range Selection | 4 modes |
| Self-calibration time: | 10 s (every turn on) |
| Power | 9 V battery or DC 9 V 100 mA |
| Operating condition | Temperature: 32 °F to 104 °F (0 °C to 40 °C) Humidity: 10% RH to 80% RH |
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