| Measuring Principle | Level radar | 
| Characteristic / Application | Premium device for continuous non-contact level measurement of liquids, pastes and slurries even under extreme process conditions; | 
| Horn antenna: 40...100 mm | 
| 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 | -50...+80 °C | 
| (-58...+176 °F) | 
| Process temperature | XT: -196...+280 °C | 
| (-321...+536 °F) | 
| HT: -196...+450 °C | 
| (-321...+842 °F) | 
  | 
| Process pressure absolute / max. overpressure limit | Vacuum...160 bar  | 
| (Vacuum...2320 psi) | 
| Main wetted parts | 316L, Alloy C, PTFE, ceramic | 
| Process connection | Thread: | 
| MNPT 1 1/2, R 1 1/2 | 
| Flange: | 
| DN50...DN150, | 
| ASME 2"...6", | 
| JIS 10K, 63K | 
| Process connection hygienic | Tri-Clamp ISO2852 | 
|
| Max. measurement distance | Standard: 40 m (131 ft) | 
| With enhanced dynamics: 70 m (229 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 | 
  | 
| Design approvals | EN 10204-3.1 | 
| NACE MR0175, MR0103 | 
| ASME B31.3 | 
| AD2000 | 
  | 
| Marine approval | GL/ ABS/ LR/ BV/ DNV | 
|
| Options | Display, | 
| Customized parameterization, | 
| Remote operation via SmartBlue App using Bluetooth®, Gas-tight feed through, | 
| Antenna Extension, | 
| PWIS free | 
| Application limits | Maximum measuring range is dependent on the tank form and/or application | 
  | 
| Ammoniacal gas phase: | 
| FMR54 in stilling well | 
| Strong build- up formation: | 
| FMR54 with air purge | 
| 316L or Alloy C non-resistant: | 
| FMR50, FMR52, FMR53 | 
| Hygiene requirements: | 
| FMR52, FMR53 | 
| Custody transfer measurement: | 
| FMR5xx |