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Series CLS2 Capacitive Level Switch
Brand: Dwyer Instruments, LLCThe CLS2 is a capacitive technology level switch that does not have any moving parts - no jams, no wear, nothing to break, and no maintenance.
State of the art sensing technology in the CLS2, using impulse RF admittance measurement combined with an active guard, provides excellent level measurement and stability while being insensitive to material buildup.
This technology also provides immunity to external RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems.
Capacitive level technology can be used for liquids, powders and bulk materials and is great for difficult applications such as slurries, coating products, and liquids and solids. The CLS2 is ideal for level indication in silos, receivers, and transporters in pneumatic conveying systems.
The CLS2 can also be used for liquid interface applications to detect the level of two immiscible liquids that have different dielectric constants such as oil and water.
Wetted materials of PVDF and 316 SS assure great chemical compatibility and meet food grade requirements.
Features- No moving parts permitting for no jams, no wear, nothing to break, and no maintenance
- Impulse RF admittance measurement combined with an active guard, provides excellent level measurement and stability while being insensitive to material buildup
- Immune to external RF sources like walkie-talkies and cell phones as well as minimal interference with radio communication or other electronic systems
- Automatic calibration with no need to turn calibration pots, just push the calibration button and an external magnet to activate the calibration without having to open the enclosure saving time
- Coat guard probe is not affected by sticky, dusty, or clingy materials that coat or build preventing false alarms
- Status indication via an ultra-high brightness external red LED switch status indicator, and internal indicators for power, sensor, and switch status that can be seen externally with window cap option (external LED on weatherproof model only)
- Can be used for liquid interface applications to detect the level of two immiscible liquids that have different dielectric constants such as oil and water
- Failsafe setting with output switches that can be set for NO or NC condition on loss of power
- Time delay prevents false alarms from material splashing, agitation, etc
- Removable terminal block snaps in and out enabling easy wiring outside of the enclosure
- Universal power supply with one model that works from 12 to 240 Vac/dc without any jumpers or change of setting
- Wetted materials of PVDF and 316 SS assure great chemical compatibility and meet food grade requirements
1 - 12 of 1,536 Part Numbers
CLS2-W11CK1-006
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 6 Custom Probe Length : Inches
- Conduit Connection - 1/2" NPT Opening
- Options - Standard
CLS2-W11CK1-006-M20
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 6 Custom Probe Length : Inches
- Conduit Connection - M20 with Cable Gland
- Options - Standard
CLS2-W11CK1-006-M20-WC
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 6 Custom Probe Length : Inches
- Conduit Connection - M20 with Cable Gland
- Options - Window Cap
CLS2-W11CK1-006-WC
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 6 Custom Probe Length : Inches
- Conduit Connection - 1/2" NPT Opening
- Options - Window Cap
CLS2-W11CK1-007
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 7 Custom Probe Length : Inches
- Conduit Connection - 1/2" NPT Opening
- Options - Standard
CLS2-W11CK1-007-M20
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 7 Custom Probe Length : Inches
- Conduit Connection - M20 with Cable Gland
- Options - Standard
CLS2-W11CK1-007-M20-WC
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 7 Custom Probe Length : Inches
- Conduit Connection - M20 with Cable Gland
- Options - Window Cap
CLS2-W11CK1-007-WC
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 7 Custom Probe Length : Inches
- Conduit Connection - 1/2" NPT Opening
- Options - Window Cap
CLS2-W11CK1-008
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 8 Custom Probe Length : Inches
- Conduit Connection - 1/2" NPT Opening
- Options - Standard
CLS2-W11CK1-008-M20
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 8 Custom Probe Length : Inches
- Conduit Connection - M20 with Cable Gland
- Options - Standard
CLS2-W11CK1-008-M20-WC
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 8 Custom Probe Length : Inches
- Conduit Connection - M20 with Cable Gland
- Options - Window Cap
CLS2-W11CK1-008-WC
- Enclosure - Weatherproof
- Switch Type - DPDT Rated 8 A, 12/240 Vac, 30 Vdc Res
- Power Supply - 12-240 Vac/dc
- Probe Type - Cable: 316 Stainless Steel with Weight
- Insulator Material - PVDF
- Process Connection - 3/4" Male NPT
- Probe Length - 8 Custom Probe Length : Inches
- Conduit Connection - 1/2" NPT Opening
- Options - Window Cap
1 - 12 of 1,536 Part Numbers
Specifications
Brand
Ambient Temperature Range
- -40° to 85° C (-40° to 185° F) with Under 24 Vac/dc Power Supply
Approvals & Certifications
- CE
- cUL
BSP Connection
- 1” BSPT Male
- 1/2” BSPT Male
- 1-1/2” BSPT Male
- 3/4” BSPT Male
Cable Material
- 316 Stainless Steel
Circuit Protection
- Surge Current to 100 A, Max.
Conduit Connection
- M20 Conduit Connection with Cable Gland
Consumption
- 2.8 W
Electrical Connectors
- 1/2” NPT Conduit Opening
- Screw Termination with Removable Terminal Block
Electrical Rating
- 1/2 hp at 120 Vac
- 1/4 hp at 240 Vac Idustrial
- 30 Vdc
- 8 A at 120/240 Vac Residential
Environmental Protection
- IP66
- NEMA 4X
- Weatherproof
Media
- Liquids
- Powder
- Water
Mounting Position
- Horizontal
- Vertical
NPT Connection
- 1” NPT Male
- 1/2” NPT Male
- 1-1/2” NPT Male
- 3/4” NPT Male
Operating Time
- 0 to 60 seconds: Adjustable
Power Requirement
- 12-240 Vac/dc
Process Temperature
- -40° to 121° C (-40° to 250° F)
Response Time
- 0.2 seconds
Sensitivity
- 1 to 20 PF: 8 Selectable Settings 1, 2, 4, 6, 8, 10, 14, 20 PF (At 30 PF Nominal Free Capacitance)
Supply Pressure
- psi: 365 (kPa: 2,500, bar: 25)
Switch Type
- DPDT
Tri-Clamp Connection
- 1-1/2” Sanitary Clamp
- 2” Sanitary Clamp
Wetted Materials
- 316 Stainless Steel
- Polyvinylidene Fluoride
- Sewage and Wastewater
- Boilers and Steam Generators
- Food and Beverage
- Caustics and Acids
- Pharmaceuticals
- Reservoirs
- Sumps
- Level Indication in Silos
- Level Monitoring in Receivers
- Transporters in Pneumatic Conveying Systems