Extech Instruments SL400 User Manual Download | Manualshive

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USER

GUIDE

Noise

Dose

Meter

Model

SL400

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

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Summary of Contents for SL400

Page 1: ...USER GUIDE Noise Dose Meter Model SL400 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 2: ...f Explosive gases Combustible gases Steam Excessive dust CAUTION Do not operate the instrument in ambient temperature and humidity conditions beyond those recommended and referenced in the Environmental Conditions section ATTENTION Keep the microphone dry and avoid severe vibration ATTENTION Wind blowing across the microphone can add extraneous noise If the instrument is used in windy conditions u...

Page 3: ...utton 5 Microphone and wind screen 6 Navigation Buttons 7 Start Pause Button 8 Microphone Cable 9 REC MEM Button 10 ENTER Button 11 SET Button 12 Stop Button Display Description Battery Status Auto Power Off Enabled Pause 115dB indicator SPL Stop 140 dB indicator Peak www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 4: ...Meter mode Noise Dose Sound Level dB unit A weighting C Weighting Z Weighting Fast response Slow Response Impulse Weighting Over Range Under Range Solid Auto record standby Flashing Recording Start test time begin View recorded data Stop test time SET mode Test duration www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 5: ...et Press the or button to change the test mode between NDM Noise Dose Meter and SLM Sound Level Meter Press the SET button to move to the next parameter or Press enter to exit set up mode Auto Power Off Set Press the or button to enable or disable Auto Power Off Function Auto Power Off will turn off the meter in 15 minutes if the meter is not recording data Press the SET button to move to the next...

Page 6: ...er second The maximum sampling time is 23 hours 59 minutes and 59 seconds Press the SET button to move to the next parameter or Press enter to exit set up mode Real Time Clock Set Press the or button to select the option to adjust the Real time clock 24 hour Use the or button to adjust the time digits Press the SET button to move to the next parameter or Press enter to exit set up mode www GlobalT...

Page 7: ...o the next parameter or Press enter to exit set up mode Noise Standard Set Press the or button to select a NDM testing regulatory body abbreviation OSHA MSHS DOD ACGIH ISO85 ISO90 and USER Press the SET button to move to the next parameter or Press enter to exit set up mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 8: ...test parameter Time weighting Fast Slow or Impulse Frequency weighting A C or Z Peak frequency measurement C or Z Sound level range high medium or low High 70 to 140dB Medium 50 to 110dB Low 30 to 90dB Press the SET button to move to the next parameter or Press enter to exit set up mode www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 9: ... key to start the automatic offset routine and wait for the flashing dB number to appear Press the Enter key to save the entry and to get back to the measure window The meter should now read 94 0dB 0 1dB If the measured value does not equal 94 0 0 1dB run the 94ADJ routine again Press the Enter key to save the entry and to get back to the measure window www GlobalTestSupply com Find Quality Produc...

Page 10: ...offset from the displayed value to the sourced noise level In this example the value is 1 3 94 0dB sourced and 92 7dB displayed Enter Set mode and go to the parameter 94ADJ Using the Up and down arrows set the offset according to the offset calculated In this example set 94ADJ to 1 3 Press the Enter key to save the entry and to get back to the measure window The meter should now read 94 0dB 0 1dB ...

Page 11: ...h testing range the LCD display will show If the reading is below the low testing range the LCD display will show The Leq integral time is the same value as the sampling time setting When the sampling time is set to zero the integration time continues until the user exits the mode Press the button to stop the test Caution Wind blowing across the microphone can add extraneous noise When there is wi...

Page 12: ... in memory is downloaded and cleared Note The memory can only be downloaded and erased using the software Manual Single Data Point Recording Press the button to store the displayed reading The symbol will flash The bottom left of LCD display will show WRITE indicating that the single data point was written to the meter s internal memory Note Single Data Point recording does not function while the ...

Page 13: ...nge the view from time to date and back to the time display The time format is HH MM SS and the date format is YY MM DD View Logged Sound Level Readings For Sound level readings SLM must appear on the lower line Press and hold the button for more than 1 sec to enter the viewing mode Press the or button to scroll through the readings Press the button to select the dose record information Noise Dose...

Page 14: ...ll through the Dose recording log Press the button to select the dose test options SPL Dose LPMAX LPMIN PKMAX LEQ SEL LEP8 TWA8 LVAG LN5 LN10 LN50 LN90 and LN95 Press the button to view the test start time Press the button to view the test start date The time format is HH MM SS and the date format is YY MM DD Press and hold the button for more than 1 sec again to exit the logged data viewing mode ...

Page 15: ...eq LCFq Equivalent continuous level for the duration of the measurement for C weighting Leq LZFq Equivalent continuous level for the duration of the measurement for Z weighting SEL LAE Frequency weighted sound exposure level for the duration of the measurement for A weighting SEL LCE Frequency weighted sound exposure level for the duration of the measurement for C weighting SEL LZE Frequency weigh...

Page 16: ...r housing Do not touch the microphone sound entry port Never use wet cloths solvents or liquids to clean the meter housing A C and Z Weighting Considerations The A weighting curve is based on 40 Phon fletcher Munson Equal Loudness Contour For noise assessments of the effects of noise on human hearing the A weighting mode is recommended The C weighting mode is recommended for machine sound monitori...

Page 17: ... 30dB to 90dB L 50dB to 110dB M 70dB to 140dB H Primary RMS Range 1KHZ 41dB to 86dB L 55dB to 106dB M 75dB to 125dB H Maximum Peak C Weighting Sound Level Measurement 90 143 dB Dynamic Range 60 dB Accuracy 1 4dB 94dB 1KHZ Internal memory MAX Datalogger data 10000 NDM 999 999 SLM Time Weighting Fast Slow Impulse Frequency Weighting A C Z Frequency Range 20Hz 8KHz Starting Time 10 Second Battery dat...

Page 18: ...ions temperature 23 C 5 C 73 4 F 9 F relative humidity 80 For inside use max altitude 2000m 6562 ft Reference temperature 23 5 C 73 4 F 9 F Operating temperature 5 40 C 41 104 F Operating humidity 80 RH Storage temperature 10 60 C 14 140 F Storage humidity 70 EMC This instrument was designed in accordance with EMC Standards in force and its compatibility has been tested in accordance with EN61326 ...

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