美國Dwyer TFLS型 音叉料位開關
產品型號:  TFLS

非常適用于低密度物料

特別適用于輕物料,低導率物料

Service: Dry powder or bulk materials compatible with wetted materials. Can detect bulk materials submerged in liquid.
Sensitivity: Minimum bulk density of 1.8 lb/ft3 （30 g/l）, maximum particle size 0.4 in （10 mm）.
Wetted Materials: 316 SS.
Temperature Limits: Ambient: -4 to 140°F （-20 to 60°C）.
Process: -4 to 176°F （-20 to 80°C）.
Pressure Limit: 145 psig （10 bar）.
Power Requirement: 90 to 265 VAC, 50/60 Hz; 24 VDC.
Power Consumption: 4 VA.
Enclosure: Aluminum, powder coated.
Enclosure Rating: Weatherproof, NEMA 4X.
Switch Type: SPDT.
Electrical Rating: 5A @ 230 VAC.
Electric Connections: Screw terminals.
Conduit Connection: 3/4? female NPT.
Process Connection: 1-1/2? male NPT.
Weight: 5.5 lbs. （2.5 kg）.
Indication Lights: External: red LED; Internal: green and red LED’s.
Sensing Delay: （Maximum） covered probe: 2 seconds; uncovered probe: 3 to 7 seconds.
Time Delay: Separate settings for covering and uncovering the probe. Adjustable from 2 to 20 seconds