APPLICATION
Measuringthevolumeofcoldpotablewaterpassingthroughthepipeline.FEATURES
ØMulti-Jet,ISO4064ClassB,MadeinBrass
ØBothMechanicalandLCDDisplay
ØAutomaticCharging:PrepaymentModeorPay-After-UseMode
ØThemeterbaseandvalvearemagneticdriven
ØExternalbatteryplacementandeasytoreplace
ØAnti-vibration
ØResidentialareaforDN15andDN20WORKINGCONDITION
Watertemperature:0.1ºC~40ºCforcoldwater,
5ºC~90ºCforhotwater
Workingpressure:10bar(16baronrequest)SPECIFICATIONS
NominalDiameterClassOverloadflow-ratePermanentflow-rateTransitionflow-rateMinimumflow-rateMinimumreadingMaximumreadingmm
m3/hl/hm315A31.5150600.000199999B1203020A52.52501000.000199999B20050
1.Producttechnicalstandards:CJ/T133-2001andGB/T778.1
2.MaximumerrortoleranceofbasemeterconformstotherequirementoftheGB/T778.1B-levelmeter.
3.Pressureresistanceintensity:1.6MPa,15min
4.Pressureloss:<=0.1MPa
5.Workingvoltage:DC3.6V±0.6V
6.Staticcurrent:<=20uA
7.Operatingcurrent:<40mA(temperature15ºC~35ºC)
8.Controllerprecision:<=0.1%
9.Controller'sreliability(MTBF):>=2000h
10.Durabilityperformance:socket>100,000times,electricallycontrolledvalve
>10,000times
11.Movementrangeofelectro-mechanicdrivendiaphragmvalveFLOWERRORCURVEANDHEADLOSSCURVE
MAXIMUMPERMISSIBLEERROR
InthelowerzonefromQmininclusiveuptobutexcludingQtis±5%
IntheupperzonefromQtinclusiveuptoandincludingQmaxis±2%