Proximity PLS2 Data sheet
Series
5-1/8
[130.00]
5-29/32
[150.00]
3-5/8
[92.00]
25/64
[10.00]
1-1/4˝
NPT
2X 3/4˝
NPT
4-23/32
[120.00]
4-59/64
[125.00]
3-15/61
[100.00]
1-3/8
[35.00]
7-7/8
[200.06]
PLS2-PL2
PLS2-PL1
3-15/16
[100.00]
3-15/16
[100.00]
1-29/64
[37.00]
PLS2
Paddle Level Switch
3 Sensitivity Settings, Top or Side Mounting
The Series PLS2 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. As product builds up, the paddle rotation is impeded and the
result ing motor torque activates the output switch and stops the motor. A spring
mechanism reactivates the motor and returns the switch to normal state when the material
no longer impedes the paddle rotation. A torque adjusting mechanism eliminates the need
for different sized paddles. The PLS2 is designed with the industry standard 1-1/4˝ male
NPT connection and unit can be side or top mounted.
FEATURES
• 3 sensitivity settings
• Top or side mountable
• Brushless synchronous motor: Assures long term reliability and efficiency
• Motor shuts off when paddle stalls
• Screw cover: For easy access with no worries about losing bolts or screws
APPLICATION
• Level monitoring of bulk materials
Model
PLS2-E-1-1
PLS2-E-1-2
PLS2-E-1-3
Models include single sided non-spring paddle.
ACCESSORIES
PLS2-PL1, Single Sided Spring Paddle
PLS2-PL2, Double Sided Spring Paddle
LEVEL
PLS2-EX1, 8.5˝ Shaft Extension
PLS2-EX2, 19.6˝ Shaft Extension
PLS2-EX3, 39.4˝ Shaft Extension
PLS2-EX4, 78.7˝ Shaft Extension
Description
Explosion-proof paddle level switch, 115 VAC power supply
Explosion-proof paddle level switch, 230 VAC power supply
Explosion-proof paddle level switch, 24 VDC power supply
SPECIFICATIONS
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 Limit: 11.6 psi (0.8 bar).
Power Requirement: 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: Min. material density of 6 lb/ft
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.
3
(96 kg/m3).
Level Switches,
Paddle
338
DWYER INSTRUMENTS, INC. | www.dwyer-inst.com
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