Extech Instruments RHT30 - Start Datalogging; Monitoring and Bookmarking; Downloading Logged Data

8RHT30_TH30‐en‐GB_V1.0(11/16)
StartDatalogging
1. ConfiguretheloggeraspreviouslydescribedandthenholdtheStart/Stop 
buttonfor5secondstostartlogging.
2. Measurementsupdateonthedisplayevery10seconds.FortheRHT30the
temperatureandRH%displaystoggleevery5seconds.
3. IftheloggerisprogrammedwithaStartDelay:Afterpressingandholdingthe
Start/Stopbuttonfor5secondstostart
logging,RECwillappearontheLCDbut
willnotflashuntilthedelaytimehaselapsedandlogginghasbegun.
4. Whenthedataloggerissuccessfullyrunning,theLEDflashesgreenevery10
seconds(aslongasthereisnoalarm).
MonitoringAlarmsWhileDatalogging
TheLEDwillflashRED
every10secondswhenthereisanalarm.Thedisplayalso
shows‘L’forlowalarmand‘H’forhighalarm.TostoptheLEDfromflashingred,
plugtheloggerintoaPC,orpoweroff(shortpressofthepowerbutton).
Placing‘Bookmarks’WhileDatalogging
To
placeabookmarkmanuallyduringdatalogging,pressandholdtheMARKbutton
untilthemeasuredreadingflashes3times.Uptoeight(8)bookmarkscanbe
placed;thebookmarkswillappearintheloggingreport.
MAX‐MINReadings
ShortpresstheMAX‐MINbuttontostepthroughthehighest(MX)and
lowest(MN)
readingsstoredinmemory.
CheckingBatteryStatus
Atanytime,shortpresstheMARKbuttontoviewtheapproximatenumberofdays
remainingforbatterylife.Ifbatterypoweriscriticallylow,thebatteryiconwill
blinkoncepersecondontheLCDdisplay.
DownloadingLoggedData(PDFandSpreadsheetDatalogReports)
1. PressandholdtheStart/Stop buttonfor5secondstostopthedatalogger.
2. PlugtheloggerintothePCUSBport(thisalsostopsthedatalogger).
3. Openthe‘PDFloggerConfigurationtool’fromthelistofavailablefiles.
4. Choose‘ConverttoPDF’or‘ConverttoExcel’togenerateareport.
5. Select
thePCfilelocationwherethereportistobesaved.
6. ThePDFreportincludestherecordeddata,bookmarks,andatrendgraph.The
spreadsheetreportcontainsthesamedataasthePDFreportminusthetrend
graph.
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