
REV03‐13
HowPowerInvertersWork(Continued)
inverters withthecapabilitytostartandrundifficultreactiveloads,whileprovidingexcellentoverloadcapability.
Thewaveformthatisgeneratedbythisconversionisa"modifiedsinewave"asshowninthediagrambelow.
The modified sine wave produced by our inverters has a root mean square (RMS) voltage of 110 volts. The
majorityofACvoltmetersarecalibratedforRMSvoltageandassumethatthemeasuredwaveformwillbeapure
sinewave.Consequently, thesemeterswillnot readtheRMSmodified
sinewavevoltage correctlyand,when
measuringtheinverteroutput,themeterswillreadabout20to30voltstoolow.Toaccuratelymeasureofthe
outputvoltageoftheinverter,useatrueRMSreadingvoltmetersuchasaFluke87Fluke8060ABeckman4410,
Triplet4200oranymultimeter
identifiedas"TrueRMS"
InReview
• Neverat tempttooperatetheinverterfromanypowersourceotherthana12‐voltDCvoltbattery.
• Theinverterisdesignedtobeconnectedtothepowersourcewiththe12voltpowerplug.Donotattemptto
modifythepowercordorplug.
• Whileconnectingthe
invertertothepowersource,makecertainthattheinverterispositionedfarawayfrom
anypotentialsourceofflammablefumesorgases,
• Makecertainthepowerconsumptionoftheapplianceorequipmentyouwishtooperateiscompatiblewith
thecapacityoftheinverter.Donotexceed800
watts.
• Whenattemptingtooperatebatterychargers,monitorthetemperatureofthebatterychargerfor
approximately10minutes.Ifthebatterychargerbecomesabnormallywarm,disconnectitfromtheinverter
immediately.
• Useonly30ampspadetypefuses.
• Whenoperatingtheinverterwithanautomobileormarinebattery,
starttheengineevery30to60minutes
andletitrunforappro ximat ely10minutestorechargethebattery.
• Intheeventofacontinuousaudiblealarmorautomaticshutdown,turntheinv erterOFFimmediately.Donot
res tarttheinverteruntilthesourceoftheproblemhas
beenidentifiedandcorrected.
• Toavoidbatterydrain,alwaysdisconnecttheinverterwhennotinuse.
• Donotexposetheinvertertorainormoisture.
• Avoidplacingthein verternearsourcesofheatorindirectsunlight.
• Whileinuse,makesuretheinverterisproperlyventilated.
• Donotoperatetheinverternearflammablematerials,fumesorgases.