| Measuring Principle | Level radar |
| Characteristic / Application | For basic level measurement in liquids, pastes and slurries; non affected by changing media, temperature changes, gas blankets or vapor; |
| Encapsulated PVDF or PP clad horn antenna |
|
| Specialities | SIL 2 according to IEC 61508, |
| Bluetooth® commissioning, |
| Operation and maintenance SmartBlue App, |
| Safety and reliability with Multi-Echo Tracking, |
| HistoROM |
|
| Supply / Communication | 2-wire (HART / PROFIBUS PA/ FOUNDATION Fieldbus) |
| 4-wire (HART) |
| Bluetooth® wireless technology and App (optional) |
| Frequency | K-band (~26 GHz) |
| Accuracy | +/- 2 mm (0.08 in) |
| Ambient temperature | -40...+80 °C |
| (-40...+176 °F) |
| Process temperature | -40...+130 °C |
| (-40...+266 °F) |
| Process pressure absolute / max. overpressure limit | Vacuum...3 bar |
| (Vacuum...43.5 psi) |
| Main wetted parts | PVDF, PTFE, Viton, PP, PBT |
|
| Process connection | Thread: |
| G1 1/2, MNPT1 1/2 |
| Flange: |
| UNI DN80...DN150 (3"...6") |
| Max. measurement distance | Standard: 30 m (98 ft) |
| With enhanced dynamics: 40 m (131 ft) |
| Communication | 4...20 mA HART |
| PROFIBUS PA |
| FOUNDATION Fieldbus |
| Bluetooth® wireless technology |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, KC |
|
| Safety approvals | Overfill prevention WHG |
| SIL |
|
| Options | Display, |
| Customized parameterization, |
| PWIS free, |
| Remote operation via SmartBlue App using Bluetooth® |
|
| Application limits | Maximum measuring range is dependent on the tank form and/or application: |
|
| Ammoniacal gas phase: |
| FMR54 in stilling well |
| Strong buildup formation: |
| FMR54 with air purge |
| Low DK: |
| FMR51 |
| Only PTFE resistant: |
| FMR52 |
| Custody transfer measurement: |
| FMR5xx |