Unit Of Measure - Extech Instruments HD700 User Manual

UnitofMeasure
PresstheUNITbuttontoselecttheunitofmeasure.Thismeterofferseleven(11)unitsof
measureaslistedbelow.

UnitofMeasure
Poundspersquareinch
InchesofMercury
Milli‐bar
MillimetersofMercury
Kilo‐Pascals
Kilogramspercentimetersquared
Inchesofwater
Feetofwater
Centimetersofwater
Bars
Ouncespersquareinch

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.

Displayicon
Psi
inHg
mbar
mmHg
kPa
2
Kgcm

inH O
2
ftH O
2
cmH O
2
Bar
2
ozin

HD700-en-GB_V1.7 4/15
4