RECALL MINIMUM/MAXIMUM
1. PressMIN/MAXtoviewtheminimumandmaximum
temperaturesrecordedsinceturningtheunitonor
sinceclearingmin/max.
2. PresstheMIN/MAXbuttononcetodisplaythe
minimumtemperature.Thelowerportionofthe
displayshows“MIN”indicatingthatthisisthe
minimumreading.WhileintheMIN/MAXmode,
selectthedesiredformatwiththe°F/°Cor
.0/.00/.000/.0000buttons.
3. PresstheMIN/MAXbuttonagaintodisplaythe
Maximumtemperature.Thelowerportionofthe
displayshows“MAX”indicatingthatthisisthe
maximumreading.Athirdpresswillreturnthe
displaytothecurrentreading.
4. MIN/MAXmaybereviewedatanytime.
5. TocleartheMIN/MAX,placetheunitinnormalmode
(notreviewingtheMIN/MAX)andpressMIN/MAX
andCLEARsimultaneously.Youmayalsoclear
MIN/MAXbyturningtheunitoff.
HOLD FUNCTION
1. PresstheHOLDbuttononceto“freeze”thedisplay
atthecurrenttemperaturereading.“HOLD”appears
onthelowerportionofthedisplayindicatingthatthe
unitisinholdmode.
2. WhileintheHOLDmode,selectthedesiredformat
withthe°F/°Cor.0/.00/.000buttons.
3. PresstheHOLDbuttonasecondtimetoreturnto
thecurrenttemperaturereading.“HOLD”willno
longerappearonthedisplay.
POWER
Donotturntheunitonandoffrapidly.Itmaylockthe
display.Whenturningtheuniton/offthemicroprocessor
maybecomelocked,inoperable,orthedisplaymay
read“888888.”Ifthisoccurs,resetthethermometerby
removingthebattery,waiting15seconds,andreplacing
thebattery.
OPERATION
1. Plugtheprobeintothereceptaclelocatedontheright
sideoftheunit.
2. PresstheON/OFFbuttontoturntheuniton.
3. Pressthe°F/°Cbuttontochangethedisplay
betweenFahrenheitandCelsius.
4. Pressthe.0/.00/.000/.0000buttontochangethe
displaytoreadthedesiredresolution.
5. Usetheprobetomonitortemperaturesinair/gas,
liquids,andsemi-solids.Placethestainless-steel
portionofprobeincontactwiththematerialtobe
measured.Inmostinstancesthedepthoftheprobe
needstobeapproximately½inch.
6. PresstheON/OFFbuttontoturntheunitoffwhenthe
thermometerisnotinusetoprolongbatterylife.
HISTORY MODE
Historyprovidesaneffortlessmethodtoobservewhena
temperaturechangetakesplace.Itcontinuouslydisplays
forthepast24hoursstartingwith1hourago.Ifleftonfor
morethan24hours,itdisplaysonlythemostrecent24
hours.Historymaybereviewedatanytime.
1. After1hour,presstheHISTORYbuttononceto
showthecurrentorfirsthourreading.Thedisplay
willshow“1”onthefarrighttoindicatethisisthefirst
reading.Afterapproximatelytwoseconds,thedisplay
willshowthetemperatureand“min”whichindicates
thisistheminimumreadingforthefirsthour.After
approximatelytwomoreseconds,thedisplaywill
againshow“1”.Thedisplaycontinuestoalternate
betweenthesetwodisplays.Whileinthehistory
mode,the°F/°Cor.0/.00/.000buttonsmaybeused
toselectthedesiredformat.
2. ThesecondpressoftheHISTORYbuttonshowsthe
maximumtemperatureforthecurrentorfirsthour.
Afterapproximatelytwomoreseconds,thedisplay
willshow“1”.
3. WitheachpressoftheHISTORYbutton,theunit
willscrollthroughall48minimumandmaximum
readings.
4. Toexitthehistorymode,presstheCLEARbutton
orMIN/MAXbutton.Aslongastheunitisinthe
historymode,pressingtheCLEARbuttonalonewill
notclearthehistory.
5. Toclearhistory,firstexitthehistorymodeandthen
pressHISTORYandCLEARbuttonssimultaneously.
Turningtheunitoffdoesnotclearthehistory.
SPECIFICATIONS
Range: -328.00to932.000°F
-200.00to500.000°C
Resolution: 0.001°,0.01°or0.1°
(userselectable) from-99to932°F/-99to500°C
0.01°or0.1°
from-328to-100°F/-200to-100°C
0.0001°from-9.9999to99.9999°F/°C
Sampling Rate: approximately2timespersecond
Memories: 48MemoriesarestoredintheHistory
Mode(min/maxforthepast24hours)
2MemoriesarestoredintheMin/Max
Mode(min/maxforthecurrenthour)
Probes Supplied:
Model supplied with a fast response, handle-probe. The
stainless steel portion of the probe is capable of measuring
temperatures through the entire range (-328 to 932°F/-200
to 500°C)
Model supplied with a fast response, bullet-probe with PTFE
cab le. The sensor and cable are capable of being subjected
to temperatures of -148 to 392°F/-100 to 200°C
BUTTON DESCRIPTION
ON/OFF Turnsunitonandoff.
°F/°C: Selects°Fahrenheit/°Celsius
.0/.00/.000/.0000 Selectsdecimalpointondisplay
HISTORY Displayshistorymemories
HOLD/CLEAR Presstoholdreadingalsousedin
conjunctionwithHISTORYor
MIN/MAXbuttonstoexitthemodeor
clearreadings.
MIN/MAX Displaysthehighestandlowest
temperaturesrecordedforthecurrent
hour.
DISPLAY MESSAGES
▲Appearingindicatestemperatureisrising.
▼Appearingindicatestemperatureisfalling.
“LLL” Displayedwhenthetemperaturebeing
measuredisbelowtherangeoftheunitorwhen
thereisanopenprobeornoprobe.
“HHH” Displayedwhenthetemperaturebeing
measuredisabovetherangeoftheunitor
whenthereisashortedprobe.
“BAT” Displayedwhenthebatteryislowandneedsto
bereplaced.SeeBatterysectionforbattery
replacementinstructions.
RECEPTACLES
Thereceptacleontherightsideoftheunitisforthe
probe.Theupperleftsidereceptacleisforanaccessory
ACAdaptor.Thelowerleftsidereceptacleisforthe
accessoryDataAcquisitionSystemdatacable.
DATA OUTPUT
In order to use the data output, the Accessory Data Cable
Cat No. 630-2507 is required. See Accessories section for
ordering information..
Withtheaccessorydatacableattached,totogglethe
RS232outputon/off,pressandholdthe°F/°Cand
.0/.00/.000/.0000simultaneously(2320indicates
RS232outputis“on”,232FindicatesRS232output
is“off”).
BATTERY
If“BAT”appearsonthedisplay,itindicatesthe
batteriesarelowandneedtobereplaced.Toreplace
thebattery,slidethebatterycoverlocatedontheback
oftheunitawayfromtheunit.Removetheoldbattery
andreplaceitwithanew9-Voltalkalinebattery.Usean
alkalinebattery,NOTaregularorheavydutybattery.
Properlyconnectthebattery.Replacethebatterycover.
Incorrectlyinstalledbatteriesmaydamageelectronics.
ALL OPERATIONAL DIFFICULTIES
Ifthisthermometerdoesnotfunctionpropertyforany
reasonpleasereplacethebatterywithanew9-Volt
alkalinebatteryBatterysection,above).Lowbattery
powercanoccasionallycauseanynumberof“apparent”
operationaldifficulties.Replacingthebatterywithanew
freshbatterywillsolvemostdifficulties.