Instrumentation
Flow Indicators and Transmitters
Sight Flow Indicators             Series SFI Sight Flow Meters  Series SF2
Ideal to prove flow of coolant,  SF2 combine visual confirmation of 
lubricants, fuel lines, etc. on turbines,  flow with a relay or pulse output. The 
engines, compressors, and other  brass, unibody construction, one 
large machinery. Great for monitoring  piece composite rotor, and ceramic 
filter efficiency, pump operation,  shaft delivers durability with broader 
and flow direction. 100 - Single  chemical, temperature, and pressure 
window with impeller;  300 - Double  capabilities. For specific flow setpoint 
window with impeller; 350 - Double  switching, select SF2-1 meters with 
window with no indicator; … a SPDT relay output. 
Sight Flow Indicator/Transmitter    SFI-800 In-Line Flow Transmitter    Series HFT
Low Cost, Optional Output for Flow  Local Flow Indication, Unrestricted 
Rate and Totalization, New UV  Mounting, 4-20 mA, 0-5 V and 1-5 V 
Stabilized Polycarbonate Model. Output. 
SFI-800 Sight Flow Indicator is a low  The unit can be installed in outdoor 
cost,durable rotor style flow indicator  applications or harsh environments 
with optional output sensor.  where liquid tight seals are required. 
Constructed of clear Polysulfone,  The flow transmitter does not require 
enabling 360° viewing of the rotor,  input or output straight plumbing, and 
the SFI800 has chemical compatibility. can be mounted in any orientation.