SITRANS LR250 is your first choice for liquid level measurement in storage and process vessels up to 20 meters (66 ft). With its range of antennas, this transmitter can handle whatever you need it to. Its new flanged and hygienic encapsulated antennas mean corrosive or aggressive materials and hygienic or sanitary requirements are no challenge for this transmitter.
SITRANS LR250 Horn antenna
SITRANS LR250 is a 2-wire, 25 GHz pulse radar level transmitter for continuous monitoring of liquids and slurries in storage and process vessels including high temperature and pressure, to a range of 20 m (66 ft).
SITRANS LR250 PVDF antenna
SITRANS LR250 with threaded PVDF antenna is a 2-wire, 25 GHz pulse radar level transmitter for continuous monitoring of liquids and slurries in storage and process vessels including corrosives or aggresive materials, to a range of 10 m (32.8 ft).
SITRANS LR250 Flanged encapsulated antenna
SITRANS LR250 with flanged encapsulated antenna is a 2-wire, 25 GHz pulse radar level transmitter for continuous monitoring of liquids and slurries in storage and process vessels including corrosives or aggressive materials, to a range of 20 m (66 ft) (antenna dependent).
SITRANS LR250 Hygienic Encapsulated Antenna
SITRANS LR250 hygienic encapsulated antenna is a 2 wire 25 GHz pulse radar level transmitter with sanitary and hygienic approvals for continuous monitoring of liquids, slurries and pastes within the Food, Beverage, chemical and pharmaceutical industries to a range of 20 m (66 ft) - antenna dependent.
SITRANS LR250 Benefits
Graphical local user interface (LUI) makes operation simple with plug-and-play setup using the intuitive Quick Start Wizard
LUI displays echo profiles for diagnostic support
25 GHz high frequency allows for small horn antennas for easy mounting in nozzles
Insensitive to mounting location and obstructions, and less sensitive to nozzle interference
Short blanking distance for improved minimum measuring range to 50 mm (2") from the end of the horn
Communication using HART® or PROFIBUS PA, or FOUNDATION Fieldbus TM
Process Intelligence signal processing for improved measurement reliability and Auto False-Echo Suppression of fixed obstructions
Programming using infrared Intrinsically Safe handheld programmer or over a network using SIMATIC PDM, Emerson AMS, or Field Device Tools, such as PACTware or Fieldcare via SITRANS DTM.
Suitable for use in safety related systems in accordance with IEC 61508/61511 (SIL-2)
3mm (0.118 inch) accuracy in accordance with IEC 60770-1
Graphical local user interface (LUI) makes operation simple with plug-and-play setup using the intuitive Quick Start Wizard
LUI displays echo profiles for diagnostic support
25 GHz high frequency allows for small horn antennas for easy mounting in nozzles
Insensitive to mounting location and obstructions, and less sensitive to nozzle interference
Short blanking distance for improved minimum measuring range to 50 mm (2") from the end of the horn
Communication using HART® or PROFIBUS PA, or FOUNDATION Fieldbus TM
Process Intelligence signal processing for improved measurement reliability and Auto False-Echo Suppression of fixed obstructions
Programming using infrared Intrinsically Safe handheld programmer or over a network using SIMATIC PDM, Emerson AMS, or Field Device Tools, such as PACTware or Fieldcare via SITRANS DTM.
Suitable for use in safety related systems in accordance with IEC 61508/61511 (SIL-2)
3mm (0.118 inch) accuracy in accordance with IEC 60770-1
Fully insulated Threaded PVDF antenna designed for use in simple applications within chemical environments where aggressive and corrosive materials are used
Cost effective replacement for transmitters made of exotic materials
2" (50 mm) threaded process connection/antenna allow for easy mounting in nozzles
Graphical local user interface (LUI) makes operation simple with plug-and-play setup using the intuitive Quick Start Wizard
LUI displays echo profiles for diagnostic support
25 GHz high frequency allows for small horn antennas for easy mounting in nozzles
Insensitive to mounting location and obstructions, and less sensitive to nozzle interference
Short blanking distance for improved minimum measuring range to 50 mm (2") from the end of the horn
Communication using HART® or PROFIBUS PA, or FOUNDATION Fieldbus TM
Process Intelligence signal processing for improved measurement reliability and Auto False-Echo Suppression of fixed obstructions
Programming using infrared Intrinsically Safe handheld programmer or over a network using SIMATIC PDM, Emerson AMS, or Field Device Tools, such as PACTware or Fieldcare via SITRANS DTM.
Suitable for use in safety related systems in accordance with IEC 61508/61511 (SIL-2)
3mm (0.118 inch) accuracy in accordance with IEC 60770-1
Fully encapsulated horn antenna design with flange mount and FDA approved flush faced TFM 1600 PTFE lens for use in chemical and sanitary environments where aggressive and corrosive materials are used
Flush lens antenna allows for easy cleaning and less intrusion in vessel
Cost effective replacement for transmitters made of exotic materials
2 inch (50 mm) process connection/antenna allow for easy mounting
Graphical local user interface (LUI) makes operation simple with plug-and-play setup using the intuitive Quick Start Wizard
LUI displays echo profiles for diagnostic support
25 GHz high frequency allows for small horn antennas for easy mounting in nozzles
Insensitive to mounting location and obstructions, and less sensitive to nozzle interference
Short blanking distance for improved minimum measuring range to 50 mm (2") from the end of the horn
Communication using HART® or PROFIBUS PA, or FOUNDATION Fieldbus TM
Process Intelligence signal processing for improved measurement reliability and Auto False-Echo Suppression of fixed obstructions
Programming using infrared Intrinsically Safe handheld programmer or over a network using SIMATIC PDM, Emerson AMS, or Field Device Tools, such as PACTware or Fieldcare via SITRANS DTM.
Suitable for use in safety related systems in accordance with IEC 61508/61511 (SIL-2)
3mm (0.118 inch) accuracy in accordance with IEC 60770-1
Fully encapsulated horn antenna design with flange mount and FDA approved flush faced TFM 1600 PTFE lens for use in chemical and sanitary environments where aggressive and corrosive materials are used
Flush lens antenna allows for easy cleaning and less intrusion in vessel
Cost effective replacement for transmitters made of exotic materials
2 inch (50 mm) process connection/antenna allow for easy mounting
<0.8 μ Ra surface finish for maximum cleanability and hygiene requirements commonly required in sanitary environments
Industry standard process connections (DIN 11851, ISO 2852 (tri-clamp), DIN 11864, Tuchenhagen Varivent Types F and Type N
3-A, EHEDG EL Aseptic Class I, EHEDG EL Class I
FDA and USP Class VI approved materials
SITRANS LR250 Technical Details
| Technology |
Pulse radar |
| Measuring range |
20m (66 ft) |
Process pressure |
Up to 40 bar g (580 psi g) |
Process temperature |
-40 to 200 °C (-40 to 392 °F) |
Maximum measured error |
3 mm (0.118 inch) |
| Certificates and approvals |
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety |
| Technology |
Pulse radar |
| Measuring range |
10m (32.8 ft) |
Process pressure |
Up to 40 bar g (580 psi g) |
Process temperature |
-40 to 80 °C (-40 to 176 °F) |
Maximum measured error |
Up to 5 bar g (72.5 psi g) |
| Certificates and approvals |
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety |
| Technology |
Pulse radar |
| Measuring range |
20m (66 ft)) |
Pressure (vessel) |
See Pressure/Temperature curves in the catalog for more information |
Process temperature |
-40 to 170 °C (-40 to 338 °F) |
Maximum measured error |
>500 mm from sensor reference point: 3 mm (0.118 inch)
<500 mm from sensor reference point: 25 mm (1 inch) |
| Certificates and approvals |
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety |
| Technology |
Pulse radar |
| Measuring range |
20m (66 ft)) |
Pressure (vessel) |
See Pressure/Temperature curves in the catalog for more information |
Process temperature |
-40 to 170 °C (-40 to 338 °F) |
Maximum measured error |
>500 mm from sensor reference point: 3 mm (0.118 inch)
<500 mm from sensor reference point: 25 mm (1 inch) |
| Certificates and approvals |
3-A, EHEDG EL Class I, EHEDG EL Aseptic Class I
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety |
