The Model 14L RF electronic level switch, housed in a cast aluminum explosion-proof enclosure,
The Model 14L RF electronic level switch, housed in a cast aluminum explosion-proof enclosure, is ideal for alarm and/or control of conductive and non-conductive liquids, granular materials, foams, slurries, and interface applications. An adjustable 0-20 second relay delay time, together with normal or fail-safe operating modes, provides versatile control function configuration for your application requirements. Differential (cyclic) control enables two setpoints to be established on the sensor. The relay state changes when the level reaches the second setpoint and remains in this state until the level falls below the first setpoint. This system can control any media that has a dielectric constant between .5 and 80.0 (light hydrocarbons, plastic pellets to water, acids, and slurries).
The sensor is energized with a radio frequency signal. As the media level changes, the capacitance of the sensor changes, resulting in a change in radio frequency signal. This frequency change is compared with a preset value stored in the measuring circuit and used to actuate a relay for alarm and/or control. The design of the Model 14L contains an innovative shield driver circuit, enabling it to ignore the effect of conductive material coatings.
Typically, the sensor is integrally mounted to the Model 14L housing. The sensor can also be remotely mounted for applications with high temperature and/or high vibration. The sensors are manufactured in a variety of metals and insulating materials. The active measurement length of the sensor varies depending on the application requirements. The sensor may be mounted in a vertical or horizontal position. Normally, the sensor is threaded into a process vessel with a 3/4-inch NPT connection
Common Measured Process Materials
Conductive Liquids: Water, acid, caustic, etc.
Organic Solvents: Ethylene, methyl or isopropyl alcohol, toluene, heptane, turpentine, acetone, etc.
Hydrocarbons: Crude or refined oil, kerosene, ethylene glycol, gasoline, etc.
Interface Liquids: Hydrocarbons and water
Bulk Solids
Features
Versatile - Can be used for level alarm and/or control of conductive and non-conductive liquids, granular materials, foams, pastes, slurries, and interface applications
Eliminates False Level Detection - The innovative shield driver circuitry enables the system to ignore the effects of conductive material buildup on the level sensor surface.
Flexible Relay Setup - An adjustable 0-20 second relay delay time, together with normal or fail-safe operating modes, provides versatile control function configuration.
Differential (Cyclic) Control - Differential control enables two setpoints to be established on the sensor
Push-to-test Verification - High level (overflow) alarm operation can be verified without actually filling the vessel.
Remote Mounting Capability - The sensor can be remotely mounted for applications with high temperature and/or high vibration
Wide Range of Applications - This system can control any media that has a dielectric constant between 1.5 and 80.0
Multiple Power Supplies - The Model 14L will operate on various power inputs from 115 VAC or 230 VAC (50/60 Hz) to 12 VDC or 24 VDC.
Rugged - Solid state electronics housed in a cast aluminum explosion-proof enclosure.
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
GL14401
14L1A0NN
RF Electronic level switch in a cast aluminum enclosure (115 Volts, 50/60Hz)
No
961,200
GL14402
4000L
316SS (bare) General Purpose sensor for non-coating applications (specify length in inches)
Special Order Item. Call 031-777-1588
378,000
GL14403
4001L
TFE Teflon insulated General Purpose sensor for non-coating applications (specify length in inches)
Special Order Item. Call 031-777-1588
378,000
Please inquire for NIST Certification
GL14404
4100L
316SS (bare) Heavy duty sensor for non-coating applications (specify length in inches)
Special Order Item. Call 031-777-1588
421,200
GL14405
4101L
TFE Teflon insulated Heavy Duty sensor for non-coating applications (specify length in inches)
Special Order Item. Call 031-777-1588
421,200
Please inquire for NIST Certification
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