Level Switches, Alarms
TFT32 Tank Farm Transmitter LIT25 Level Indicating Transmitter
Greyline TFT32 Tank Farm Level Transmitter
Central PC Monitoring of Tank Farms Greyline LIT25

Level Indicating Transmitter
Low Cost
Network up to 32Transmitters at Local  Isolated 4-20mA Output (1000 ohm)
or Dial-up locations Large LCD Display
Use Ultrasonic, Pressure, or existing  Programmable Signal Relay
4-20mA Transmitters Non-Contacting Ultrasonic Sensor or 
RS485 Serial Output Optional Pressure Sensor
Digital Display at each Tank Built-in 2-Key Calibrator
Multiple Control Relay Option Watertight, Dust tight Enclosure
Data Logging PC Software Self-Testing