Field Instruments

General

The Series PLS2 Paddle Level Switch is an electromechanical level switch designed for level monitoring of bulk materials. The rotating measuring vane is driven by a brushless synchronous motor at one revolution per minute and as product builds up, the paddle rotation is impeded and the resulting motor torque activates the output switch and stops the motor. The PLS2 is designed with the industry standard 1-1/4" male NPT connection and unit can be side or top mounted.

Applications

• Mining
• Food and beverage
• Silos
• Hoppers

Specifications

• Make: Dwyer
• Model: PLS2-E-1-1
• Service: Dry powder or bulk materials compatible with wetted materials.
• Wetted Materials: Paddle: 304 SS; Exposed shaft: 303 SS; Shaft seal: NBR; Process connection: Aluminum.
• Temperature Limits: Process: -13 to 176°F (-25 to 80°C); Ambient: -4 to 140°F (-20 to 60°C).Pressure Limits:11.6 psi (0.8 bar).
• Power Requirements: Select by model number: 115 VAC, 230 VAC or 24 VDC.
• Power Consumption: AC versions: 4 VA; DC version: 2.5 watt.
• Enclosure: Aluminum, powder coated.
• Enclosure Rating: NEMA 4 (IP66); Rated for Class II & III, Div. 1, Group E, F, G.
• Switch Type: SPDT micro switch.
• Electrical Rating:5 A @ 250 VAC, 3 A @ 30 VDC.
• Electric Connections: Screw terminals.
• Conduit Connection:3/4" female NPT.
• Process Connection:1-1/4" male NPT.
• Mounting Orientation: Side or top mounting.
• Sensitivity: Minimum material density of 6 lb/ft3 (96 kg/m3).
• Permitted Mechanical Loading: Standard shaft: 67 lbf (300 N) max; Optional extension: 22 lbf (100 N) max.
• Weight: 2.6 lb (1.2 kg).
• Agency Approvals: CE, FM.

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