Level - Monitoring, Controlling, Transmitting Instruments
with Non-Contacting Ultrasonic Sensors

SLT32 Level Meter for tank monitoring and control, & Open Channel Flow
PSL Pump Station Level Controller for Lift Stations and Wet Wells
LIT25 Simple, Low Cost Level Indicating Transmitter
TFT32 Tank Farm Transmitter and PC Software for multiple tank systems

Flow - Ultrasonic Flow Meters and Switches with
Strap-on Sensors to Measure Flow from Outside a Pipe

DFM 5.0 Doppler Flow Meter displays, totalizes, transmits and controls flow
DFM 4.0 Doppler Flow Meter displays, totalizes, transmits and controls flow
PDFM 4.0 Portable Doppler Flow Meter with strap-on, ultrasonic sensor
Portaflow Portable Transit Time Flow Meter for clean fluids
DFS-II Doppler Flow Switch for Pump Protection from outside the pipe

Open Channel Flow - Monitor Wastewater Flow 
in Partially Full Pipes and Open Channels

OCF 4.0  Open Channel Flow Monitor with Flow Reporting data logger
AVFM-II  Area-Velocity Flow Meter
STINGRAY  Portable Level-Velocity Logger