The OPTISWITCH 4000 is a vibration level switch for simple liquid applications. It is a universal and cost-effective device for level detection in small 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 | For basic applications |
| Product variants | OPTISWITCH 4000 C: Compact housing |
| Measurement variables | Level |
| 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 | 66 mm / 2.6 in |
| Measuring point | Pressurised tank, Open tank, Open channel, Basin |
| Process pressure |
-1…64 barg/ -14.5…925 psig |
| Process temperature |
-40…150°C/ -40…302°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: G½, G¾, G1 ½ NPT, ¾ NPT, 1 NPT |
| Hygienic connections |
Collar ferrule with nut (DIN 11851): DN25, DN40, DN50 Collar ferrule with nut (SMS 1147): 38 mm Clamp (DIN 32676): DN25, DN40, DN50 |
| Certificates/Approvals Others | EAC, WHG |
| Certificates/Approvals Hygienic | FDA, 3A, EC 1935/2004 |
| Ingress protection | IP65/67, NEMA4/4X/6 |
| Discrete outputs |
Contactless, Transistor |
