User Manual

ManualsBrandsExtech Instruments ManualsKitchenHumidity and Temperature Chart Recorder with 220-Volt Adaptor

RH520A-EU-EN v4.4 8/13

MAX‐MINDISPLAYS

1. PresstheVIEWbuttonintheStandardViewtodisplaythehighest(MAX)andlowest(MIN)

temperatureandRHreadingsfromallofthestoredmeasurementrecords.

2. Whenviewingthe

highestreadings,the

MAXindicatorwillswitch

on.Whenviewingthe

lowestreadings,theMIN

iconwillswitchon.



3. Thecursorwillmoveto

thelocationoftheMIN

orMAXreadingwithin

thegraph.Ifnotwithin

thegraphcurrentlydisplayed,thecursorwillmovetotheright‐mostpositionandthegraph

willshiftaccordinglysothattherelevantdatapointcanbeviewed.

4. Use

theVIEWbuttontostepthroughthehighestandlowesttemperaturereadingsandthen

thehighestandlowestRHreadings.WhentheMAXorMINindicatorisONunderthe

temperaturereadingdigits,thedisplayisshowingtheMAXorMINtemperature.Whenthe

MAXorMINindicatorisONunder

theRHreadingdigits,thedisplayisshowingtheMAXor

MINrelativehumidity.

ALARMDISPLAYS

1. PresstheALARMbuttonfromtheStandardViewtoanalyzethemostrecentalarmactivity

(temperatureorhumidity),ifany.TheALARMdisplayiconandtherelevantupper

(temperature)orlower(RH)graphpixelwillflash.

2. Thecursorwillmovetothelocationwithinthegraph.Ifnotwithin

thegraphcurrently

displayed,thecursorwillmovetotheright‐mostpositionandthegraphwillshiftaccordingly

sothattherelevantdatapointcanbeviewed.

3. PresstheALARMbuttonagaintoviewthesecondmostrecentsetofAlarms(ifnoalarms,

theStandardViewwill

appear)

4. PresstheALARMbuttonagaintoviewthethirdmostrecentsetofAlarms(ifnoalarms,the

StandardViewwillappear)

5. Thisprocedurecan

continueuntilno

furtheralarmsexist

andpressingthe

ALARMbuttonwill

onlybringupthe

StandardView

6. Intheexample

diagram,

theRH520A

isshowingahigh

temperaturealarm

(MAXandALARMindicatorson).

MAX or MIN indicator

is ON when in the

MAX or MIN mode

MAX Temperature

Alarm Mode