SITRANS LR100 series are 80 GHz compact radar transmitters with Bluetooth wireless technology. For level measurement of liquids or solids. Featuring a narrow beam for flexible installations in existing vessel openings – or non-intrusively through plastic vessels.
he series consists of five transmitters:
| SITRANS LR100 | SITRANS LR110 | SITRANS LR120 | SITRANS LR140 | SITRANS LR150 | |
| 7ML530 | 7ML531 | 7ML532 | 7ML533 | 7ML53 | |
|
Basic 4-20 mA measurement to 8 m with cable |
With communications, hazardous approvals options, and range to 15 m |
With communications, longest range to 30 m, and optional submergence shield for flooding protection |
Basic measurement to 8 m with terminal connection |
With HART communication, hazardous approvals, l ocal HMI option, and range to 15 m |
|
| Measuring pinciple | 78-82 GHz, FMCW | 78-82 GHz, FMCW | 78-82 GHz, FMCW | 78-82 GHz, FMCW | 78-82 GHz, FMCW |
| Measuring range | 8 m (26 ft) | 15 m (49 ft) | 30 m (98 ft) | 8 m (26 ft) | 15 m (49 ft) |
| Process connections | PVDF Thread 1½'' and 1'' | PVDF Thread 1½'' and 1'' | PVDF Thread 1'' | PVDF Thread 1½'' | PVDF Thread 1½'' |
| Process pressure | -1 to 3 bar | -1 to 3 bar | -1 to 3 bar | -1 to 3 bar | -1 to 3 bar |
| Process temperature | -40 to 60 °C (-40 to 140 °F) | -40 to 80˚C (-40 to 176˚F) | -40 to 80˚C (-40 to 176˚F) | -40 to 60 °C (-40 to 140 °F) | -40 to 70˚C (-40 to 158˚F) |
| Accuracy | 5 mm (0.2'') | 2 mm (0.08'') | 2 mm (0.08'') | 5 mm (0.2'') | 2 mm (0.08'') |
| Beam Angle | 8° | 8° | 4° | 8° | 8° |
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mA/Loop, Communications |
2-wire, 4 to 20 mA |
2-wire, 4 to 20 mA/ HART or 4-wire, Modbus |
2-wire, 4 to 20 mA/ HART or 4-wire, Modbus |
2-wire, 4 to 20 mA | 2-wire, 4 to 20 mA/HART |
| Ex approvals | no | Gas and dust | Gas and dust | no | Gas |
| Optional HMI | no | no | no | no |
Yes, with Quick Start Wizard and diagnostic support |
| Bluetooth | yes | yes | yes | yes | yes |
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