Product Description
Personal Noise Dosimeter with USB Interface Extech SL400 with NIST Certificate
This model ships with a NIST-traceable calibration certificate (Extech part SL400-NIST).
The Extech SL400 is a personal noise dosimeter that measures total noise exposure over a work shift and doubles as a datalogging sound level meter. PC software handles setup and reporting.
Key Features
- Measures total noise exposure over a work shift
- Doubles as a sound level meter, logging up to 999,999 readings
- Sampling times from 1 second to 24 hours
- Supports noise surveys to OSHA, MSHA, DOD, ACGIH and ISO criteria
- PC software for setup, data download and real-time analysis
Specifications
| Sound Ranges | 30 to 90 dB, 50 to 110 dB; C/Z Peak 70 to 140 dB and 90 to 143 dB |
|---|---|
| Basic Accuracy | ±1.4 dB at 94 dB, 1 kHz |
| Frequency Bandwidth | 20 Hz to 8 kHz |
| Weighting | A, C, Z |
| Response | Fast, Slow, Impulse |
| Criterion and Threshold | 30 to 140 dB in 0.1 dB steps |
| Exchange Rate | 3, 4, 5 or 6 dB |
| Memory | Dose 10,000 points; SLM 999,999 points |
| Microphone | Condenser, 32 in (81.3 cm) cable |
| Power | 9V battery |
| Dimensions | 4.2 x 2.6 x 1.3 in (107 x 65 x 33 mm) |
| Weight | 7 oz (198 g) |
| Warranty | 2 years |
Manufacturer part number: SL400-NIST
