KROHNE OPTISWITCH 6500 Capacitive Level Transmitter
Capacitance level switch for advanced hygienic applications
- Point level detection of liquids, liquid-liquid interface and solids
- Minimal insertion length: 12 mm / 0.47″
- -20…+200°C / -4…+392°F; -1…16 barg / -14.5…232 psig
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Description
Description
Specifications
Depending on selected device configuration
General information
| Product type | Level switch |
| Product family name | OPTISWITCH |
| Product positioning | For advanced hygienic applications |
| Product variants | OPTISWITCH 6500 C: Compact housing |
| Measurement variables | Level |
| Measurement principle | Capacitance |
| Level measurement type | Point level detection |
| Contact to measured medium | Yes |
| Interface measurement | Yes |
| Redundancy | No |
| Measured media | Liquids, Liquid/liquid interface, Foam, Slurries, Pastes, Solids, Bulk solids, Granulates, Powders |
| Probe length | 18…250 mm/ 0.7…9.8 in |
Operating conditions
| Process pressure | -1…16 barg/ -14.5…232 psig |
| Process temperature | -40…+200°C/ -40…+390°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 G½ for hygienic adapters |
| Hygienic adapters | Collar ferrule (DIN 11851): DN25, DN40, DN50 Tri-Clamp®: 1½”, 2″ Varivent®: N Collar ferrule (SMS 1147): 51 mm Weld-in sleeve: 30 mm / 1.2″ Weld-in sleeve with shoulder: 29 mm / 1.1″ Collared weld-in sleeve: 45 mm / 1.8″ Spherical weld-in sleeve: 35 mm / 1.2 |
Approvals/Standards
| Certificates/Approvals Ex | ATEX |
| Certificates/Approvals Hygienic | FDA, 3A, EHEDG, EC 1935/2004, EC2023/2006 |
| Ingress protection | IP67, NEMA4/4X |
Communication
| Discrete outputs | NPN/PNP, Transistor |
Features & Options:
- Unaffected by foam, condensate or build-up
- Can be set to detect foam or even a change in media characteristics of the same liquid
- For media with dielectric constant >1.5
- Very fast response times
- Maintenance-free ‐ can be installed in any position
- Wide variety of hygienic process connections available
- Also available with a sliding connection for tanks with thick wall thickness / insulation or to overcome high process temperature
- EHEDG and 3A certified; complies with FDA and EC1935/2004
Other Available Models:
- OPTISWITCH 6500
- OPTISWITCH 6600
- OPTISWITCH 6700
