krohne OPTISWITCH 4000 Vibration level switch
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NG # 006635-HW-KROHNE-035
Manufactured by:
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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.
Specification
General information
| 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 | 66 mm / 2.6 in |
| Measuring point | Pressurised tank, Open tank, Open channel, Basin |
Operating conditions
| Process pressure | -1…64 barg/ -14.5…925 psig |
| Process temperature | -40…150°C/ -40…302°F |
Materials
| Gaskets | Ethylene propylene diene monomer (EPDM), Fluoroelastomer rubber (FKM/FPM), Kalrez® 6375, PFA |
| Wetted parts | Austenitic stainless steel (1.4404/316L) |
Process connections
| 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 |
Approvals/Standards
| Certificates/Approvals Others | EAC, WHG |
| Certificates/Approvals Hygienic | FDA, 3A, EC 1935/2004 |
| Ingress protection | IP65/67, NEMA4/4X/6 |
Communication
| Discrete outputs | Contactless, Transistor |
Description
Vibration level switch for basic applications
Point level detection of liquids
Virtually unaffected by the chemical and physical media properties
Density: ≥0.5 g/cm3 / 0.018 lb/in3
-40…+150°C / +302°F; -1…64 barg / -14.5…925 psig