Extech Instruments HD755 Manual

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HD755-EU-EN V1.7 7/13

Specifications

GeneralSpecifications

Display FourdigitLCDwithfunctionindicators

UnitsofMeasure BAR,mBAR,psi,kg/cm

,mmHg,inchesHg,kPa,feetH

O,inches

O,cmH

O,andozin

2

Accuracy ±0.3%FS+1d(@25°C)

Repeatability ±0.2%to0.5%FS

Linearity/Hysteresis ±0.3%FS

CombinedAccuracy ±1.1%FS

MaximumPressure 2psi

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 B uilt‐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)