Series CLS2 Capacitive Level Switch

Description

The Proximity Division of Dwyer Instruments is offering a new and innovative capacitive level switch, the CLS2. 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 capacitive technology has no moving parts – no jams, no wear, nothing to break, and no maintenance. The CLS2 is designed to auto-calibrate in your application, no need to turn pots, just push the internal calibration button or use the external magnet without even having to open the enclosure. Features of the CLS2 include: universal power supply that works from 12 to 240 VAC/DC without any jumpers or settings; failsafe setting for loss of power; status indication lights of power, sensor, and output; programmable output time delay; and easily removable wiring terminal for wiring of control outside of the enclosure. Price from $290.00 for a weatherproof model the CLS2 is great value. Options include explosion-proof enclosure and food grade wetted materials. The CLS2 is ideal for level indication in silos, receivers, and transporters in pneumatic conveying systems. It is also good for difficult applications – sludge, slurry, liquids with suspended solids, coating products, and to detect liquid interfaces.

Specs

• Service: Liquids, powder and bulk materials compatible with wetted materials. • Wetted Materials: 316 SS and Kynar® (PVDF). • Temperature Limits: Ambient: -40 to 185°F (-40 to 85°C), -4 to 185°F (-20 to 85°C) with under 24 VAC/DC power supply; Process: -40 to 250°F (-40 to 121°C). • Pressure Limit: 365 psi (25 bar). • Enclosure Rating: Weatherproof, NEMA 4X. • Switch Type: DPDT (two form C). • Electrical Rating: 8A @ 120/240 VAC res., 30 VDC. 1/2 hp @ 120 VAC and 1/4 hp @ 240 VAC ind. • Power Requirements: 12 to 240 VAC/DC. • Power Consumption: 2.8 Watts max. • Electric Connections: 1/2" NPT conduit opening, screw termination and removable terminal block. • Process Connection: See Catalog Page. • Mounting Orientation: Vertical or horizontal. • Set Point Adjustment: Trips when product touches probe. Cut or extend probe to length of desired trip point. Can be cut as short a 1" and can be extended by welding on to probe. (Minimum length will be effected by material being sensed.) • Response Time: 0.2 seconds. • Time Delay: Adjustable, 0 to 60 seconds. • Spark/Static Protection: 10 MEG Ohm dissipation resistance with spark gap. Surge current to 100A max. • Sensitivity: 8 selectable settings, 1, 2, 4, 6, 8, 10, 14, 20 pF (at 30 pF nominal free capacitance).
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