EL – Conductive Level Switch w/ Separate Electronics Modules
Sitron’s ELSeries of Conductive Level Switches are designed to control the level of all conductive media with up to six different points of level control. These probes can be applied when multiple points of level detection are required from a single entry point on the vessel. These units work in combination with Sitron’s BS an CN Series of Relay Controllers which offer multiple configurations to meet the needs of a wide array of process applications. Models are available with rigids rods, removable rods and pendular electrodes made from 316SS. For applications with aggressive or sticky media or higher temperatures, the rods may be coated with Halar. The EL Series Level Switches are designed to work at temperatures of -10° to 150°C and maximum pressures of up to 20 bar.
The probes work by the change in electrical resistance between the sensing electrode and the 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 which actuates the relay output. The electrodes are powered up with alternating current. The use of alternating current prevents the corrosive result of electrolysis on the rods.
The EL Series should be used in conjunction with Sitron’s BS and CN Series of Relay Controllers.
Models: EL1, EL2, EL3, EL4, EL5, EL6
Wetted Part: 316SS Rod, 316SS Removable Rod, Cable and Pendular Electrode
Application: Level Detection for Conductive Liquids
Housing: 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)
Working Temperature: -10º to 150ºC
Max. Pressure: 20 Bar
Class Protection: IP 65
Controllers:
Model: BS/16
Application: Differential Level Controller / Min. and Max. for Conductive Probes
Power Supply: DC: 12 or 24Vdc or AC: 85 to 240Vac (50/60Hz)
Output: Relay (SPDT) 5A – 250Vac / 1NO+1NC (BS16 AC)
Consumption: 2VA
Adjustment: Sensitivity: max. 50K ohms / Time Delay
Enclosure: ABS (Resistant Thermoplastic)
Fixation: 2 Screws or DIN rail 35mm
Working Temperature: -10 to +60ºC
Class Protection: IP 40
Model: CN/16
Application: Control of 2 Independent Level Points for Conductive Probes
Power Supply: DC: 24Vdc or AC: 85 to 240Vac (50/60Hz)
Output: Relay (2x SPDT) 5A – 250Vac / 1NO+1NC (BS16 AC)
Consumption: 2VA
Adjustment: Sensitivity: max. 50K Ohms/ Time Delay
Enclosure: ABS (Resistant Thermoplastic)
Fixation: 2 Screws or DIN rail 35mm
Working Temperature: -10 to +60ºC
Class Protection: IP 40
Model: CN/7
Application: Control of 3 Independent Level Points for Conductive Probes
Power Supply: DC: 24Vdc or AC: 85 to 240Vac (50/60Hz)
Output: Relay (3X SPDT) 5A – 250Vac / 1NO+1NC (BS16 AC)
Consumption: 1VA
Adjustment: Sensitivity: max. 50K Ohms/ Time Delay
Enclosure: ABS (Resistant Thermoplastic)
Fixation: 2 Screws or DIN rail 35mm
Working Temperature: -10 to +60ºC
Class Protection: IP 40
- Can operate in all conductive liquids media
- Easy to install and operate
- Offers several level control points
- Optional Halar coated rods for aggressive mediums or high levels of condensation
- Up to 5 points of level control
- Available with 316SS, sanitary, flange or threaded connections
- Food and Beverage
- Industry Water
- Treatment Plants
- PetroChemical Industry
- Pharmaceutical Industry
- Pulp and Paper Manufacturers
- Certificate of Origin
- Material Certificate
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