The Sentinel Model 804 is a unique, powerful level transmitter. The leading edge microprocessor-based circuitry has nonvolatile memory. The display and keypad simplify calibration and setup of the instrument. Powerful diagnostics not only check all functions of the system, they also simplify troubleshooting.
Two or four relays
Optional intrinsically safe probe circuitry
16-button keypad
2 line by 16 character LCD display
Powerful self-diagnostics check the system
Small change in level required for calibration