Level limit switch Capcont M
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from 1000 PLN (net)
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For capacitive fill level supervision in liquids and solid materials
- For liquids and bulks
- Simple installation and setup
- Corrosion-resistant
The level limit switch Capcont M with integrated evaluation electronic are compact fill level limit switches for supervision of fill levels in liquids and solid materials in containers or pipelins at process temperatures from -30°C to +125°C and process pressures from -1 up to 10 bar.
The sensor is suitable for limit value detection or also as dry run protection in liquids and viscous substances but also in powdery and fine-grained materials, like e.g. grain, flour, powdered milk, mixing food, cement, chalk or gypsum. It can be used in electrically conductive as well as non-conductive materials.
Application
- Fill level resp. limit value detection in container
- Dry run protection for pumps
- Useable in liquids, viscous substances, granular materials or powders
- Useable for electrically conductive and non-conductive substances
Advantages
- Easy commissioning
- Suitable for a wide process temperature range from -30°C to +125 °C
- Useable at process pressures from -1 to 10 bar
- Fully isolated electrode rod with isolation 1mm in PTFE
- Integrated evaluation electronic with PNP switching output – invertable
Function
The fill level limit switch Capcont M is a capacitive operating sensor with limit value detection.
Electroden rod, filling material and container wall realizes an electrical capacitor. A fill material changing causes a capacity change that is evaluated by the electronic and is converted into a corresponding switching reaction. At transgression or underrun of the limit value a switching signal at the PNP switching output is created. This allows a control of relays, contractors, magnetic valves, light signaling units, horn as well as SPS inputs. A plugable yellow LED indicates an active PNP switching output.
A possibility for change over the minimum / maximum safety is integrated.
| Hilfsenergie | |
| Spannungsversorgung | 10 V bis 35 V DC (verpolungsgeschützt) |
| Restwelligkeit | ≤ 2 VSS (Bedingung: Innerhalb des zulässigen Speisespannungsbereichs) |
| Stromaufnahme | ≤ 10mA Schaltausgänge im Leerlauf |
| Isolationsspannung | 75 V DC |
| Schaltausgang | |
| Funktion | PNP-schaltend auf +Vs, Prinzip (NO/NC) invertierbar über Jumper |
| Ausgangsspannung | VS1 ≥ +Vs – 2V |
| Ausgangsstrom | ≤ 250mA strombegrenzt, kurzschlussfest |
| Anstiegszeit | ≤ 30µs RL ≤ 3000 Ω IL ≥ 4,5mA |
| Verzögerungszeit | ≤ 200ms ≥ 50Hz |
| Schaltzyklen | ≥ 100.000.000 |
| Schalthysteresen | Abhängig vom Medium |
| Empfindlichkeitsabgleich | Trimmer mehrgängig |
| Werkstoffe | |
| Elektrodenstabisolation (prozessberührend) | PTFE – Polytetrafluorethylen (Teflon®) |
| Prozessanschluss (prozessberührend) | Stahl 1.4404 (AISI 316L) Stahl 1.4571 (AISI 316Ti) |
| Anschlussgehäuse | Aluminium-Druckguss, pulverbeschichtet |
| Kabelverschraubung | Verschraubung: Messing, vernickelt Dichtung: CR / NBR |
| Dichtung (prozessberührend) | FPM – Fluorelastomer (Viton®) EPDM – Etylen-P |
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