The OPTISWITCH 5250 is a vibration level switch with a polished probe extension and tuning fork for liquid hygienic applications. It is a universal and reliable device for level detection in vessels. It detects low or high level and is mostly used for overfill, dry-run or pump protection. Installations in pipelines are also possible.
Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.
Depending on selected device configuration
| Product type | Level switch |
| Product family name | OPTISWITCH |
| Product positioning | With rigid extension for hygienic applications |
| Product variants | OPTISWITCH 5250 C: Compact housing |
| Measurement variables | Level |
| Measurement principle | Vibrating |
| Level measurement type | Point level detection |
| Contact to measured medium | Yes |
| Interface measurement | No |
| Redundancy | No |
| Measured media | Liquids |
| Probe length units to display | mm/in |
| Probe length |
80…6000 mm/ 3…236 in |
| Measuring point | Pressurised tank, Open tank, Open channel, Basin |
| Process pressure |
-1…64 barg/ -14.5…925 psig |
| Process temperature |
-50…+250°C/ -58…+482°F |
| Gaskets | Ethylene propylene diene monomer (EPDM), Fluoroelastomer rubber (FKM/FPM), Kalrez® 6375, PFA |
| Wetted parts | Austenitic stainless steel (1.4404/316L) |
| Thread connections |
Male: G¾, G1 ¾ NPT, 1 NPT |
| Hygienic connections |
Collar ferrule with nut (DIN 11851): DN25, DN40 Tri-Clamp®: 1'', 1 ½'' Collar ferrule with nut (SMS 1147): 38 mm |
| Certificates/Approvals Others | WHG |
| Certificates/Approvals Ex | ATEX, IECEx, FM, CSA |
| Certificates/Approvals Hygienic | FDA, 3A, EC 1935/2004 |
| Certificates/Approvals Marine | GL, LR |
| Certificates/Approvals Safety | SIL 2 |
| Ingress protection | IP66/67, NEMA4/4X/6 |
| Discrete outputs | 2-wire (8/16 mA), Contactless, NAMUR, Relay, Transistor |
