Capacitive sensor
RFnivo® - RF 8100
 
						
											 
						
											 
						
											 
						
											 
						
											 
						
											 
						
											Application area
The capacitive level detector RFnivo® RF 8100 is used in storage and process vessels as a full, demand and empty detector in all liquids from a DK value of 1.5. It can generally be used at process temperatures up to +200°C and process overpressure up to 35 bar. Its “Active Shield” function ensures reliable functionality within applications with adhering material.
Technical Data
| Measurement principle | Capacitive | 
|---|---|
| Measuring task | 
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| Version | 
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| Medium | Liquids | 
| Mounting position | 
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| Ambient temperature | -40°C … 85°C (-40°F … 185°F) | 
| Process temperature | -40°C … +200°C (-40°F … +392°F) | 
| Process pressure | -1 bar … +35 bar (-14.5 psi … +511 psi) | 
| Minimum sensitivity | DK ≥ 1.5 | 
| Housing type | flameproof | 
| Housing material | Aluminium | 
| Housing protection rating | IP68, Type 4 | 
| Threaded connection | 
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| Flange connection | 
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| Hygienic fittings | — | 
| Wetted materials | 
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| Mechanical load | rod: 15 Nm | 
| Accuracy | — | 
| Min. immersion length | 
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| Max. immersion length | 
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| Power supply | 
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| Signal output | 
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| Approvals | 
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| Explosion protection | 
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| Hygienic / Pharma | — | 
| Ship approval | Lloyd’s | 
| Overfill protection | WHG | 
| SIL qualification | — | 
| Further approvals | — | 
| User Interface | 
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| Optical indicator | LED + Display | 
| Adjustment possibility | 
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