Instrumentation
Flow Meters
Rate-Master® Flowmeter            RM Visi-Float® Flowmeter      Series VFC / VFCII
Polycarbonate, Gas Flow from  Used to Indicate Air or Water Flow .
0.1-1800 SCFH,  The accurate and durable VFC  
Water Flows to 10 GPM. contains a stainless steel guide rod 
Easy to read design - The direct  and large diameter float for excellent 
reading scales eliminate troublesome  stability and visibility in high flow 
conversions. The scales are brushed  rates. The large 5" scale provides a 
aluminum, coated with epoxy and the  ±2% full scale accuracy for precision 
graduations are on both sides of the  measurement required in medical or 
indicating tube.  laboratory applications. 
Visi-Float® Flowmeter      Series  VFA / VFB Visi-Float® Flowsetter Flowmeter  Series VFF
The direct reading scales are hot  Indicate or Manually Control Water 
stamped into the plastic and will not  Flow, Install in Any Position. Set the
wear off. Mid-range calibration is  desired flow rate with the VFF. 
established with a master flowmeter.  Designed for use at pressures up to 
Accuracy is ±5% of full scale for  100 psi (690 kPa) and temperatures 
VFA models, ±3% for VFB. Scales  up to 150°F (85°C), this unit can be 
average 2" long on the VFA models,  used to control water flow in various 
4" long on VFB. They can also be  applications. 
supported directly by system piping.