
Copyright HK Instruments 2014 www.hkinstruments. Installation version 1.0 2014
INSTALLATION
INSTRUCTIONS
DIFFERENTIAL PRESSURE SWITCHES
PS Series
WARNING
• READTHESEINSTRUCTIONSCAREFULLYBEFORE
ATTEMPTINGTOINSTALL,OPERATEORSERVICETHIS
DEVICE.
• Failuretoobservesafetyinformationandcomplywith
instructionscanresultinPERSONALINJURY,DEATHAND/OR
PROPERTYDAMAGE.
• Toavoidelectricalshockordamagetoequipment,disconnect
powerbeforeinstallingorservicinganduseonlywiringwith
insulationratedforfulldeviceoperatingvoltage.
• Toavoidpotentialreand/orexplosiondonotuseinpotentially
ammableorexplosiveatmospheres.
• Retaintheseinstructionsforfuturereference.
• Thisproduct,wheninstalled,willbepartofanengineered
systemwhosespecicationsandperformancecharacteristics
arenotdesignedorcontrolledbyHKInstruments.Review
applicationsandnationalanlocalcodestoassurethatthe
installationwillbefunctionalandsafe.Useonlyexperienced
andknowledgeabletechnicianstoinstallthisdevice.
SPECIFICATIONS
INTRODUCTION
ThankyouforchoosinganHKInstrumentsPSseriesdifferential
pressureswitch.ThePSseriesisintendedforuseincommercial
environments.Itisdesignedwitheldselectablesetpointadjust-
menttomeetyourjobrequirements.
ThePSseriesdifferentialpressureswitchesiscomprisedofPS200
with range from 20...200 Pa, PS300 with range from 30...300
Pa,PS500withrangefrom30...500Pa,PS600withrangefrom
40...600Pa,PS1500withrangefrom100...1500PaandPS4500
withrangefrom500...4500Pa.
APPLICATIONS
PSseriesdevicesarecommonlyusedinHVAC/Rsystemsfor:
•fan,blowerandltermonitoring
•pressureandowmonitoring
•valveanddampermonitoring
SPECIFICATIONS
Performance
Accuracy(atappliedpressure)
Atlowlimit(Typical):
PS200:±5Pa
PS300:±5Pa
PS500:±5Pa
PS600:±5Pa
PS1500:±10Pa
PS4500:±50Pa
Overpressure:
Proofpressure:25kPa
Burstpressure:50kPa
Technical Specifications
Media compatibility:
Dryairornon-aggressivegases
Measuring units:
Pa
Measurement range:
PS200:20-200Pa
PS300:30-300Pa
PS500:30-500Pa
PS600:40-600Pa
PS1500:100-1500Pa
PS4500:500-4500Pa
Environment:
Operatingtemperature:-20...60°C
Storagetemperature:-20...85°C
Humidity:0to95%rH,noncondensing
Physical
Dimensions:
Case:105x73x63mm
Weight:
150g
Mounting:
2each4.3mmscrewholes,oneslotted
Materials:
Case:ABS
Cover:PC
Membrane:Silicone
Protection standard:
IP54
Electrical connections:
3screwterminals
Wire:12–24AWG(0.2–1.5mm2)
Cable entry:
Strainrelief:M16
Knockout:16mm
Pressure fittings:
Pressurettingsintegraltocase
Material:ABS
Size:5.0mm
Markings:
+Highpressure
−Lowpressure
Electrical
Input:24–250VAC
Output:NO/NCcircuit
Switchingdifferential:
PS200:20Pa
PS300:20Pa
PS500:20Pa
PS600:30Pa
PS1500:80Pa
PS4500:250Pa
Conformance
MeetsrequirementsforCEmarking:
EMCDirective2004/108/EC
RoHSDirective2002/95/EC
Lowvoltage73/32/EEC