CN – Conductive Level Switch w/ Built In Electronics
Sitron’s CN Series of Conductive Level Switches are designed to control the level of all conductive medium for up to two different points of level control with sensitivity control and time delay adjustment. All CN Series units (both in AC and DC voltage supplies) come with integrated internal electronic relays within the housing. This eliminates the need for a separate remote controller. In addition, these units can be ordered with a built-in reference rod for applications in non-metallic vessel. Models are available with rigid rods, removable rods and pendular electrodes made from 316SS. For applications with aggresive or sticky media or higher temperatures, the rods may be coated with Epoxy or Halar.
The CN Series Level Switches are designed to work at temperatures of – 10° to 80° C and maximum pressures of up to 20 bar.
Technology: The probes work by the change in electrical resistance between the electrode and reference electrode or metal wall of the vessel. When the electrode comes into
contact with the conductive medium the electronics detects the change in resistance level actuating a relay output. The electrodes are powered up with alternating current. The use of alternating current avoids the corrosive result of electrolysis on the rods.
Models: CN1, CN1RF, CN2, CN2RF AC and DC
Application: Level Detection for Conductive Liquids
Power Supply: DC: 24Vdc or AC: 85 to 240Vac (50/60Hz)
Output: Relay (SPDT) 5A – 250Vac
Adjustment: Sensitivity: max. 50K ohms
Time Delay: 0.1 to 5 Seconds
Housings: Nylon or Aluminum
Electrical Connection: ½” BSP or NPT Conduit and Cable Gland
Process Connection: ½” to 2” BSP or NPT, flange or sanitary (depending on the number of rods)
Wetted Part: 316SS Rod, 316SS Removable Rod, Cable and Pendular Electrode
Working Temperature: -10º to 80ºC
Max. Pressure: 20 Bar
Class Protection: IP 65 (N1), IP 66 (G1),
- Can operate in all conductive medias
- Easy to install and Set up
- Optional Halar coatings for agressive mediums
- Available with 316SS, Sanitary, Flange or Threaded connections
- Food and Beverage Industry
- Water Treatment Plants
- Petro-Chemical Industry
- Pharmaceutical Industry
- Pulp and Paper Manufacturers
- Certificate of Origin
- Material Certificate
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