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Extech SL400-NIST Personal Noise Dosimeter with NIST

  • Brand Extech
  • Part # SL400-NIST
  • Condition
    Brand New
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Provides Noise Surveys for Compliance with OSHA, MSHA, DOD, ACGIH and ISO Standards. For employees that are exposed to loud noise, sound level monitoring is essential to determine what protective measures are required. Perform OSHA and IEC Noise accumulation surveys to determine total sound exposure over an 8-hour period. The SL400 is a compact, lightweight Dosimeter with USB interface designed to test noise exposure and provide noise surveys for compliance with OSHA, MSHA, DOD, ACGIH, and ISO standards. Includes PC software to control setup and retrieve stored events or analyze real-time measurements.

Includes:

  • Belt clip
  • Clip-on 0.5" (12.7mm) microphone with 32" (81.3cm)
  • Cable
  • Windscreen
  • 9V battery
  • Software
  • USB cable
  • Carrying case

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
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Technical Details

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StandardsIEC61252-1993, IEC67672-1-2003, ANSI S1.25-1992, ANSI S1.4-1983, ANSI S1.43-1997
Ranges (Accuracy)30 to 90 dB, 50 to 110dB; C, Z Peak: 70 to 140dB / C and Z Peak: 90 to 143dB (Accuracy: ±1.4dB at94dB 1kHz)
Frequency WeightingA, C, Z
Response RateFast, Slow, Impulse
Bandwidth20Hz to 8kHz
MemoryDose: 10,000 points/SLM: 999,999 points
Criterion Level / Threshold Level30 to 140dB in 0.1dB steps / 30 to 140dB in 0.1dB steps
Exchange Rate3, 4, 5 or 6 dB
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 1.3" (107 x 65 x 33mm) - exclude connector on top7oz. (198g) include batteries and microphone cable
Weight7oz. (198g) include batteries and microphone cable
Product Details
StandardsIEC61252-1993, IEC67672-1-2003, ANSI S1.25-1992, ANSI S1.4-1983, ANSI S1.43-1997
Ranges (Accuracy)30 to 90 dB, 50 to 110dB; C, Z Peak: 70 to 140dB / C and Z Peak: 90 to 143dB (Accuracy: ±1.4dB at94dB 1kHz)
Frequency WeightingA, C, Z
Response RateFast, Slow, Impulse
Bandwidth20Hz to 8kHz
MemoryDose: 10,000 points/SLM: 999,999 points
Criterion Level / Threshold Level30 to 140dB in 0.1dB steps / 30 to 140dB in 0.1dB steps
Exchange Rate3, 4, 5 or 6 dB
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 1.3" (107 x 65 x 33mm) - exclude connector on top7oz. (198g) include batteries and microphone cable
Weight7oz. (198g) include batteries and microphone cable
Optional Accessories

Optional Accessories

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Mega Depot
(800) 884-5767
+1 (332) 900-3727 (Intl.)