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Extech SL400 Personal Noise Dosimeter With USB Interface, 30 to 140 dB
Model # SL400Key Features
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Features
- Measures frequency weighted noise exposure and peak (C, Z) sound level
- Datalogs up to 999,999 readings when used as a sound level meter with sampling times between 1 second and 24 hours
- Sound level mode: displays sound level, min/max, time-averaged sound level (Leq), peak, and sound exposure level (SEL)
- Adjustable Criterion Level, Exchange Rate and Threshold
- One user-defined measurement setup
- Optional 94dB calibrator to perform "before" and "after" calibration checks per ANSI standards
- USB interface with Windows®-compatible software to control setup and retrieve stored events or analyze real-time measurements
Technical Information
- StandardsIEC61252-1993, IEC67672-1-2003, ANSI S1.25-1992, ANSI S1.4-1983, ANSI S1.43-1997
- Noise Ranges/Accuracy30 to 90 dB, 50 to 110dB: C, Z Peak: 70 to 140dB / C and Z Peak: 90 to 143dB (Accuracy: ±1.4dB@94dB 1kHz)
- Response RateFast, Slow, Impulse
- Bandwidth20Hz to 8kHz
- Memory/ Dose10,000 points/SLM: 999,999 points
- Criterion Level / Threshold Level30 to 140dBin 0.1dB steps / 30 to 140dBin 0.1dB steps
- Measurement Duration5, 10, 15, or 30 minutes; 1, 2, 4, 8, 10, 12, or 24 hours
- Measurement Modes%Dose, Lxmax, Lxyp, Lxmin, Lxeq, SEL (LAE), PeakMAX, LAVG, TWA, LEP, LN% SPL, Lxmax, Lxyp, Lxmin, Lxeq, SEL (LAE) PeakMAX
- Dimensions4.2 x 2.6 x 1.3in (107 x 65 x 33mm)
Items Included
- belt clip
- clip-on 0.5" (12.7mm) microphone with 32" (81.3cm) cable
- windscreen
- 9V battery
- software
- USB cable
- carrying case