Dwyer SFI-801-3/4-A711 Sight Flow Indicator/Transmitter is a versatile and reliable product suitable for a wide range of applications. With a temperature range of -20 to 212°F and an accuracy of ±5% of FS, it provides accurate and reliable measurements. The power requirement of 8 to 28 VDC ensures easy integration into existing systems. The electrical connections and output signals make it convenient to use. It is compatible with various fluids and can withstand pressures up to 125 psi. With a frequency range of 0 to 100 Hz and a maximum viscosity of 200 SSU, it can handle different flow conditions. The electrical termination provides flexibility in terms of input and output options. Overall, the Dwyer SFI-801-3/4-A711 is a durable and efficient sight flow indicator/transmitter.