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Measuring Fluids	Various liquids (viscosity2mPa · s or less)
Flow range	Max5to50l/min Minimum0.3to1l/min
Fluid pressure	0.7MPa max. (depends on material and temperature)
Fluid temperature	Maximum80℃ (depending on material and pressure)
Process connection	RC1/4,3/8,1/2screws
power output	W-21□: DC5~18V,12mA/collector open circuit pulse W-22□：DC24V±10%，20mA/DC0～10V W-23□：DC24V±10%，50mA/DC4～20mA
Accuracy	±3% FS: W-2□4 to 2□8, 1 to 10 L/min or more ±5%FS：W-2□3，0.75～5L/min ±8% FS: W-2□1 to 2□2, 0.6 to 3 L/min or less
Materials	Pipe body: polypropylene, PVC, sus316selection Impeller: PPS/Carbon PTFE Shaft: quartz glass Monitoring window: polycarbonate O-ring: NBR
composable monitor	W-21□：IR1600、RR930N、RR940N W-22□：IR-6000 W-23□：IR4600、TM-2000