Intelligent Transmitter with Digital Indication
Bus-capable / Programmable 4…20 mA Output
LEO 3 is a micro-processor based transmitter with digital double-display for pressure (top display) and for the output signal (bottom display). The display is powered from the 4...20 mA current loop. Functions:
MAX/MIN: Activating the right key brings the Max.- and Min.-values to the lower display. After 5 seconds, the analog signal is indicated again.
RESET: The Max.- and Min.-values are set to actual.
ZERO SET: The zero is set to the applied pressure.
ZERO RES: Restores the instrument back to factory settings.
UNITS: The pressure values can be displayed in different units.
| Pressure Ranges |
0...4 bar abs.
0...30 bar abs.
0...300 bar
0...700 bar
0...1000 bar |
| Accuracy RT (room temperature) |
< 0,1 %FS |
| Total Error Band 0…50 °C |
< 0,2 %FS
|
| Protection |
IP65 |
| Pressure measurements can be displayed and recorded on PC or Laptop with help of the software ControlCenterSeries30 (CCS30) and a seriel interface cable. Export of recordings to usual file formats possible. Up to 128 devices can be connected together into a KELLER Bus-system. |