Intelligent Transmitter with Digital Indication
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.
Features
- High accuracy
- Insulated and encapsulated piezoresistive pressure sensor
- Licence-free KELLER software available to download
- Analog output signal via RS485 interface and scaleable using buttons (turn-down)
- RS485 bus interface for communication with up to 128 devices
Functions
- Wide range of pressure units to choose from
- Zero point calibration via buttons
- Min/max display
- Additional display for the analog 4...20 mA output
- User-defined units of pressure can be configured
Typical applications
- Pump applications
- Fluid technology
- Pressure testing
- Industrial applications
| Pressure Ranges - PR | -1...3 bar -1…10 bar -1…30 bar |
| Pressure Ranges - PAA | 0...4 bar 0...10 bar 0...30 bar |
| Pressure Ranges - PA | 0...30 bar 0...100 bar 0...300 bar 0...700 bar 0...1000 bar |
| Accuracy at Room Temperature | < 0,1 %FS |
| Temperature Range | 0…40°C |
| Total Error Band 0…50 °C | < 0,2 %FS |
| Protection | IP65 |
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