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REED SD-4023 | Data Logging Sound Level Meter | 30-130 dB, SD Card, Class 2
The REED SD-4023 sound level meter logs to an SD card (up to 16 GB) at sampling rates from 1 to 3600 seconds, producing an Excel file of raw data without software. It measures 30 to 130 dB across three ranges and meets IEC 61672-1 Class 2.
- Ranges 30-80, 50-100 and 80-130 dB, plus full 30-130 dB
- Accuracy ±1.4 dB at 1 kHz (frequency dependent)
- AC output
- Optional tripod, AC adapter and PC software for live tracking
- 6 AA batteries; auto shut-off after 10 minutes
- Specifications
- Features
- Downloads
| Part Number | SD-4023 |
| Brand | REED |
| Accuracy | 31.5Hz ± 3.5 dB, 63 Hz ± 2.5 dB, 125 Hz ± 2.0 dB, 250 Hz ± 1.9 dB, 500 Hz ± 1.9 dB, 1 kHz ± 1.4 dB, 2 kHz ± 2.6 dB, 4 kHz ± 3.6 dB, 8 kHz ± 5.6 dB |
| Measuring range | 30-130 dB Low: 30-80dB Med: 50 -100 dB High: 80 -130 dB Full: 30-130 dB |
| Operating Temperature | 32 to 104°F (0 to 40°C) |
| Outputs | Yes (AC) |
| Power Supply | 6 x AA batteries or AC Adapter (optional) |
| Auto shut-off | Yes (after 10 mins/off) |
| Dimensions | 9.7 x 2.7 x 1.8" (245 x 68 x 45mm) |
| Product Certifications | CE, IEC 61672-1 Class 2 |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
| Weight | 17.3oz (489g) |
- High accuracy of ±1.4 dB meets Type 2 standards
- Triple range measurement (50dB dynamic range)
- A & C frequency weighting
- Fast & Slow time weighting
- Real time data logger with integral SD memory card
- User selectable sampling rate from 1 to 3600 seconds
- Easy-to-read backlit LCD display
- Peak hold, Data hold and Min/Max hold
- Optional PC software features live tracking via USB connection
- Tripod mount for long-term monitoring
- Low battery indicator and auto shut off
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