Extech Instruments HD700 User Manual
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Extech Instruments HD700 User Manual

Heavy duty differential pressure manometer
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USERGUIDE
HeavyDuty
DifferentialPressureManometer
ModelHD700

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Summary of Contents for Extech Instruments HD700

  • Page 1 USERGUIDE    HeavyDuty DifferentialPressureManometer  ModelHD700...

  • Page 2: Meter Description

    Introduction CongratulationsonyourpurchaseoftheExtechManometerModelHD700.Thisdevicemeasures gaugeanddifferentialpressureintherangeof±2.000psi.TheHD700offerseleven(11)unitsof measure(userselectablebyfrontpanelpushbutton)andhasadifferentialinputthatuses convenientquick‐disconnectfittings.AdvancedfeaturesincludeDATAHOLD,MIN‐MAX‐AVG RECORDmode,ZERO/OFFSET,AUTOPOWEROFF,andUSBPCinterface.Thismeterisshippedfully testedandcalibratedand,withproperuse,willprovideyearsofreliableservice.Pleasevisitour website(www.extech.com)tocheckforthelatestversionofthisUserGuide,ProductUpdates,and CustomerSupport.   MeterDescription P1input ACadaptorjack P2Input LCDDisplay–Indicatesthemeasurementdata,unitofmeasure, elapsedtimer,andfunctionsymbolsasdescribedinthismanual USBPCinterfacejack(3.5mm)–Forusewithdataacquisition software UNITbutton–Presstoselecttheunitofmeasure DIFbutton–Presstodisplaydifferentialpressure.Alsousedto OFFSETthedisplayedreadings. RECORDbutton–PresstoaccesstheMIN/MAX/AVGrecording mode HOLD/ZERObutton–Presstofreezethedisplayedreading.Also usedtozerothedisplay(pressandholduntildisplayshowsall zeroes). 10. BACKLIGHT button–PresstoswitchthedisplaybacklightON. ThebacklightwillautomaticallyturnOFFafter40seconds. 11. POWERbutton–PresstoturnthemeterONorOFF 12. Batterycompartment(onrear)  HD700-en-GB_V1.7 4/15...

  • Page 3: Basic Operation

    Display USBdataoutputactive DifferentialPressureMode DataHoldMode Primarydisplay RecordMode MAX/MIN/AVGindicators LowBatteryIndicator Pressureunitofmeasure ElapsedTimer   BasicOperation MeterPower TheHD700usesa9Vbatteryforpower.IfthemeterdoesnotswitchonwhenthePOWER buttonispressedorifthedisplayshowsBAT,replacethebattery. WhenthePOWERbuttonsispressed,themeterperformsashortself‐testandrevertstothe settingsinplacewhenthemeterwaslastturnedoff. AutomaticPower‐offFeature Inordertoconservebatterylife,themeterhasanautomaticpowerofffeature(after20 minutes).Todefeatthisfeature,pressandholdtheHOLDbuttonwhileturningthemeteron. ReleasetheHOLDbuttonwhen‘n’appearsonthedisplay.Themeterwillnowremainonuntil theuserturnsitofforuntilthebatteryweakens.NotethattheAutoPowerOFFfeaturewillbe reactivatedthenexttimethemeteristurnedoffandthenon. HD700-en-GB_V1.7 4/15...

  • Page 4: Unit Of Measure

    Psi InchesofMercury inHg Milli‐bar mbar MillimetersofMercury mmHg Kilo‐Pascals kPa Kilogramspercentimetersquared Kgcm  Inchesofwater O Feetofwater O Centimetersofwater O Bars Bar Ouncespersquareinch ozin   FittingsConnection ConnecttubingtotheP1,P2(orboth)inputport(s).Ifbothinputsareused(differentialmode), themeterdisplaysapositivepressurereadingiftheP1pressureisgreaterthanP2anda negativereadingifP2isgreaterthanP1.  ZeroAdjustandOffsetfunction TheunitmustbekeptintheuprightpositionwhenZEROINGorwhentakingmeasurements.To ZEROthemeter:Beforeuseandwithoutfittingsattachedtothemeter,pressandholdtheHOLD buttonfor3secondsoruntilthedisplayshowsallzeroes.  ToOFFSETmeterreadings:PresstheDIFbuttonwhiletakingameasurement.Subsequent readingswillrepresentthedifferencebetweenthecurrentmeasurementandthemeasurement thatwasonthedisplaywhentheDIFbuttonwaspressed.  HD700-en-GB_V1.7 4/15...

  • Page 5: DisplayedErrorCodes

    MIN‐MAX‐AVGRecordModewithElapsedTimer TheRECORDfunctiontracksthemaximum(MAX),minimum(MIN),andaverage(AVG)readings withatimestamp.Theelapsedtimerisdisplayedonthelowerright‐handcorneroftheLCDand informstheuserofthetimeaMAXorMINreadingwasrecorded. PresstheRECORDbuttononce.TheRECindicatorwillappearonthedisplayandthe displayedelapsedtimerwillstart(HH:MM:SSformat[hours:minutes:seconds]). PresstheRECORDbuttonagaintoviewthehighest(MAX)readingrecordedsincethe RECORDbuttonwasfirstpressed.TheMAXindicatorandmaximumreadingwillappearon thedisplay.TheelapsedtimerwillshowthetimeoftheMAXevent. PresstheRECORDbuttonagain,theMINindicatorandtheminimumvaluewillappearon thedisplay.TheelapsedtimerwillshowthetimeoftheMINevent. PresstheRECORDbuttonagain,theAVGindicatorandtheaveragevaluewillappearonthe display.Theelapsedtimerwillcontinuetorun. Toreturntonormaloperation,pressandholdtheRECORDbuttonuntilthedisplay indicatorsREC,MAX,etc.switchoff. NotethatintheRECORDmode,thebacklightandthepowerbuttonsaretheonlyavailable functions. USBPCInterface Themeterhasabuilt‐inUSBportforusewiththeManometerDataAcquisitionsoftware.The softwareallowstheusertoview,save,export,andprintreadingsfromtheHD700.Refertothe documentationincludedwiththesoftwareforcompletedetails. DisplayedErrorCodes Thefollowingcodesaredisplayedwhenthemeterencountersanerror. ERR1:Pressureinputexceedsspecifiedlimits ERR2:Pressureinputistoolowtoread ERR3:TheDifferentialPressureinputexceedsspecifiedlimits ERR4:TheDifferentialPressureinputistoolowtoread HD700-en-GB_V1.7 4/15...

  • Page 6: General Specifications

    Responsetime 0.5stypical Inputcircuit Differentialinputs(P1andP2) InputPorts Twometal4.8mm,barbedfor1/8"(3.17mm)IDtubing DataHold Freezesdisplayedreading Sensor Built‐inpiezoelectricsensors Zero/Offsetfunction Pushbuttonactivation Samplerate 0.5sec.(approx.) Compatibility Airornon‐corrosiveandnon‐ionizedgas(notintendedforusewith liquids) AutoPowerOFF Meterturnsoffafterapprox.20minutestoconserveenergy(can bedeactivated) PCInterface Built‐inUSBserialinterface Storageconditions 0to60 C(14to140 F);<80%RH Operatingconditions 0to50 C(32to122 F);<80%RH Batterypower 9Valkalinebattery(BATlowbatteryindicator) Batterylife 125hourstypical Dimensions 210x75x50mm(8.2x2.9x1.9”) Weight 280g(9.8oz) HD700-en-GB_V1.7 4/15...

  • Page 7: RangeSpecifications

    O 0.001 ±55.40inchesH O 0.01 ±140.6cmH O 0.1 ±32.00ozin 0.01   Warning: Pressure inputs of 10 psi or higher will damage the instrument. Do not apply pressure higher than the maximum pressure listed in the specification table HD700-en-GB_V1.7 4/15...

  • Page 8: Battery Replacement

    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.  OtherBatterySafetyReminders o Neverdisposeofbatteriesinafire.Batteriesmayexplodeorleak. o Nevermixbatterytypes.Alwaysinstallnewbatteriesofthesametype. Conversions UsefulconversionFactors From To Multiplier inofH O inofHg 0.07355 inofH O cmofH O 2.54 mmofHg inofH O 0.03937    Copyright©2013‐2015FLIRSystems,Inc. Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform ISO‐9001Certified www.extech.com  HD700-en-GB_V1.7 4/15...

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