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Extech Instruments SL400 User Manual

Extech Instruments SL400
18 pages
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USERGUIDE
NoiseDoseMeter
ModelSL400
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com
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Extech Instruments SL400 Specifications

General IconGeneral
TypeSound Level Meter
Resolution0.1dB
Units of MeasuredB
Power Supply9V battery
Frequency Range31.5Hz to 8kHz
Measuring Range30 dB to 130 dB
Frequency WeightingA, C
Time WeightingFast, Slow
Microphone1/2" Electret condenser microphone
Operating Temperature0°C to 40°C

Summary

Safety Guidelines

General Safety Precautions

Avoid hazardous environments, keep dry, avoid vibration, and follow warnings.

Setup Menu Operations

Setup Menu Operations

94dB Offset Calibration Procedure

Procedure to calibrate the meter using a 94dB sound source for accuracy.

Calibration Procedures

Automatic Calibration Method

Step-by-step guide for automatic meter calibration using a sound calibrator.

Manual Calibration Method

Step-by-step guide for manual meter calibration by adjusting offset values.

Operational Procedures

Sound Level Measurement Process

Instructions for starting, pausing, stopping, and handling measurement range indicators.

Operational Procedures

Auto Data Recording Feature

How to enable auto recording and interpret the 'WRITE' indicator on the display.

Noise Dose Measurement Process

Steps for initiating, pausing, and stopping noise dose measurements.

Operational Procedures

Maintenance and Usage Notes

Battery Replacement and Disposal

Instructions for replacing the battery, including safety and disposal regulations.

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