Extech Instruments RD300 User manual

UserGuide
RefrigerantLeakageDetector
ModelRD300
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Extech RD300 Air Conditioning AC Refrigerant Leak Detector

RD300-EU-EN V1.1 12/13
2
Safety
Pleasereadthefollowingsafetyinformationcarefullybeforeattemptingtooperateorservicethe
meter.Onlyqualifiedpersonnelshouldattemptrepairs.
Safetysymbols
CECertification
Thisinstrumentcomplieswiththefollowingstandards:
EN61326Electricalequipmentformeasurement,controlandlaboratoryuseequipment
EMCtest.
IEC61000‐4‐2 ESDimmunitytest
IEC61000‐4‐3 Radiated,radio‐frequency,electromagneticfield,immunitytest
IEC61000‐4‐8 Powerfrequencymagneticfieldimmunitytest
Besuretofollowthesafetypointsbelow.Failuretodosocouldcausepersonalinjuryordamageto
themeter.
Pleasereadthismanualcarefullytoensuresafeandcorrectuseofthismeterbeforeusing.
Donotattempttorepairthisdevice;onlyqualifiedpersonnelshouldrepairthisdevice.
Donotforcetheflexibletubetobendoveritsanglelimit.Doingsocandamagethedevice.
Donotsubjecttheprobetiptoshockorseverevibration.
Donotusethisdevicenearfireorinflammable/explosiveenvironments.
Donotusethisdeviceinambientconditionsoutsideofthefollowinglimits:0°Cto50°C(32
to122oF).
Neveruseorganicsolventstocleanthemeter
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RD300-EU-EN V1.1 12/13
3
Introduction
CongratulationsonyourpurchaseoftheExtechRD300LeakageDetector.Thishandheldmeter
measuresleakagefromairconditioningorcoolingsystemsthatuserefrigerant.TheLEDworklights
allowforviewingindarkordimlylitenvironments.Thismeterisshippedfullytestedandcalibrated
and,withproperuse,willprovideyearsofreliableservice.Pleasevisitourwebsite
tocheckforthelatestversionofthisUserGuide,ProductUpdates,andCustomerSupport.
Features
Detectsallexistingrefrigerantsusingaheateddiodesensor
LEDworklightswithon/offswitchtoallowviewingindarkenvironments
High/Medium/LowcolorcodedLEDindicationwithsensitivityof0.25oz./year
Audibleandvisualalertswithmutebutton
Lowbatteryindication
FieldreplacementsensorandLEDworklighttip
MeterDescription
1. ON/OFFbutton(holdfor2seconds)
2. ColorcodedLEDLevelIndicators(bottomLEDindicatespoweron)
3. Resetbutton
4. LEDworklighton/offbutton
5. Probetipsensor
6. LEDworklight
7. SensitivityRangeselectbutton
8. Mutesoundbutton
9. Loudspeaker
10. Lowbattery,Mute,andResetstatuslights
11. High,Med,andLowsensitivityindicators
12. Flexibleprobe
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RD300-EU-EN V1.1 12/13
4
Operation
1. PowerButton:Pressandholdthepowerbuttonfor2secondstoturnpowerON.AllLEDs
willlightandthestart‐uptonewillsound.Pressandholdpowerbuttonfor2secondstoturn
offthemeter.CheckthebatteryifthemeterdoesnotswitchON.
2. Warm‐Up:Thedetectorwillautomaticallystartheatingthesensorafterpower‐on.During
the90secondwarm‐up,theLeakLevelLEDsandPowerLEDwillbelitincyclicfashionand
themeter.Afterthewarm‐up,theaudibletonewillsoundandthePowerLEDwillremainlit.
Atthistimethedetectorisreadytofindleaks.
3. SensitivityRangeButton:PresstheSensitivityRangebuttontochangesensitivitylevels.The
High,medium,orlowLEDwilllightdependingupontheuser’sselection.Thedetectorwill
automaticallydefaulttotheprevioussensitivitylevelafterwarm‐up.
4. ResetButton:Pressthe'R'buttononcetoresetthemeter;theresetLEDwillflashonce.
5. Mutebutton:PresstheMutebuttontotoggletheaudioonandoff.ThemuteLEDison
whentheaudioisswitchedOFF(muted).
6. TipWorkLightLEDButton:PresstiplightLEDbuttontoswitchtheprobetipworklightON
orOFF.
7. Passthesensortipnearthepotentialsourceofleakandgagethemeter’sresponseby
observingthecolorcodedLEDs.GreenLEDsrepresenttheabsenceofaleakoraverysmall
leak,yellowLEDsrepresentamoderateleak,andredLEDsrepresentthedetectionofalarge
leak.
ProbeandLEDWorkLightReplacement
Toreplacethe3VLEDworklightorthesensorpleaserefertothediagrambelow.Pleaseswitch
offthedetectorbeforeremovingsensor.
Diodesensortip‐partnumberRD300‐S.LEDworklight‐partnumberRD300‐L.
Notes:
1. Thelifeofthesensoris1yearundernormaluse;ifasensorisexposedtoa100ppm
refrigerant,thesensitivitycharacteristicsofthesensormaybeaffected.
2. Makesuretherearenowaterdropletsordustonthesurfaceofthesensor.
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RD300-EU-EN V1.1 12/13
5
Maintenance
Cleaning
1. Wipethemeterhousingwithadampspongeorsoftcloth.Useonlymildsoapandwater.
2. Neveruseorganicsolventstocleanthemeter(suchasthinner,benzene,etc.)astheycan
damagethesensor.
BatteryReplacement
WhenthelowbatteryLEDislit,the9Vbatterymustbereplaced.
1. Thebatterycompartmentislocatedontherearofthemeter.
2. Opentherearbatterycoverandreplacethebattery.
3. Makesurethebatterycoverissnappedintoplacesecurelybeforeoperatingthemeter.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate
collectionsites,theretailstorewherethebatterieswerepurchased,orwherever
batteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotake
end‐of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic
equipment.
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RD300-EU-EN V1.1 12/13
6
Specifications
GeneralSpecifications
DetectableRefrigerantsR‐22,R‐134a,R‐404a,R‐410a,andallCFCs,HCFCsandHFCs
Sensor HeatedDiode
SensitivityLevels High0.25oz/yr(7g/yr)
Medium0.5oz/yr(14g/yr)
Low0.99oz/yr(28g/yr)
WarmupTime90seconds
AutoPowerOFFAutomaticshutoffafter10minutes
LowBatteryIndicationLOW‐BATTlightswitchesON
PowerSupply 9VBattery
BatteryLife 13hoursofcontinuoususe
OperatingConditions0°Cto50°C(32°Fto122°F)<80%RH
StorageConditions‐10°Cto60°C(14°Fto140°F)<70%RH
FlexibleProbeLength450mm(18")
Dimensions/Weight184x70x40mm(7.2″x2.8″x1.6″)
Weight 280g(10.0oz.)
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