23
FPVM
Proportional/constant pumpdrivenbyawatermeterdigitalsignal.
Settingtheswitchonconstant position,thepumphasflowcontrol(frontpanelknobmaybeset
from0%to100%ofpumpnominalcapacity).Flowcontroliselectronicallysetanditoperatesonpump
injectionsnumber.Toavoidlinearityproblemdonotsettheknobofpumpflowbetween0%and10%.
Itisfurthermorepossibletodividethemaximummagnetstrokesperminuteby1(÷1),10(÷10)and
100(÷100)usingtheselectoronthefrontpanel.Theelectroniccapacityadjustmentsetstheinjection
perminute.
Settingtheswitchontheproportional positionandtheselectoron“multiplier”(X1),thepumpgives
astrokeeach10externalpulsessent.Settingtheselectoron“divider”(÷1or÷10),thepumpgives
atmaximumastrokeeachexternalpulsesentandatminimumastrokeeach100pulsessensed(knob
n=10,switch÷10).
ThispumpcanbedrivenbyaCTFIorCWFIserieswatermeters.Thispumpcanalsobedrivenbya
digitalsignalcomingfromavoltagefreecontact.DrivingsignalisappliedontheBNCplugontheleft
ofthebottompumpcover.“FPVM”and“FAPVM”capacitiesaredefinedbythesameformulasused
for“FPV”and“FAPV”.
selector“multiplier/divider”
(1,10,100)
constant
proportional
strokespeedknob
on/offbutton
8. Models