Extech Instruments SL400

2SL400‐en‐GB_V1.02/16
Introduction
Thank you for selecting the Extech Instruments Model SL400. This device is shipped fully tested
andcalibratedand,withproperuse,willprovideyearsofreliableservice.Pleasevisitourwebsite
(www.extech.com)tocheckforthelatestversionofthisUserGuide,ProductUpdates,Software,
andCustomerSupport.
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Safety
CAUTION:Avoidtakingmeasurementsinhumidorwetenvironments.
WARNING:Ensurethattheambienthumidityconditionsarewithinthosespecifiedandreferenced
intheEnvironmentalConditionssection.
WARNING:Avoidtakingmeasurementsinthepresenceof:
 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,usethesuppliedmicrophonewindscreento
preventundesirablesignals.
Thefollowingsymbolsareused:
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Caution:Incorrectusemaydamagetheinstrument.
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TheinstrumentconformstotheCEstandard
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SuppliedAccessories
 User’smanual
 Carryingcase
 9Vbattery
 Microphoneandwindscreen
 PCSoftware
 MINIUSBCable(MiniBtype)
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