Extech SL400 Specifications
SL400 Personal
Noise Dosimeter
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.
Applications:
- Personal accumulated noise exposure measurement
- Workplace noise assessment
- OSHA and other regulatory agency compliances
Features
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, & Threshold
• One user-defined measurement setup
• Optional 94dB calibrator to perform “before” and “after”
calibration checks per ANSI standards
• USB interface with Windows
software to control setup and retrieve stored events or
analyze real-time measurements
• Complete with belt clip, clip-on 0.5" (12.7mm)
microphone with 32" (81.3cm) cable and windscreen,
9V battery, software, USB cable, and carrying case
®
7 and 8 compatible
Specifications
Standards IEC61252-1993, 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@94dB 1kHz)
Frequency Weighting A, C, Z
Response Rate Fast, Slow, Impulse
Bandwidth 20Hz to 8kHz
Memory Dose: 10,000 points/SLM: 999,999 points
Criterion Level / Threshold Level 30 to 140dB in 0.1dB steps / 30 to 140dB in 0.1dB steps
Exchange Rate 3, 4, 5 or 6 dB
Measurement Duration 5, 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
Dimensions/Weight 4.2 x 2.6 x 1.3” (107 x 65 x 33mm) - exclude connector on top/ 7oz. (198g) include batteries and microphone cable
PRODUCT DATASHEET
PRODUCT DATASHEET
Ordering
SL400 N * ......... Personal Noise Dosimeter
N* Indicates product available with optional Limited NIST for Certificate of Traceability to A and C Weighting . Order with -NISTL after part number for product plus
Calibration Certificate.
Specifications subject to change without notice. Copyright © 2015 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 4/22/15
UPC Code: 793950474006
www.extech.com
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