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 Level Controls

10 YEAR WARRANTY

the only one in the industry

 

 

800-221-9237

L3541

800-221-9237

 
  Princo offers RF capacitance (admittance) level controls for virtually every application. With our exclusive 10 year warranty, Princo RF level controls provide an unbeatable value.  

 

 

  The Princo Non-Intrusive - NULL-KOTE™ Presence/Absence Detector is an  obstruction-less sensing system that monitors the presence or absence of liquids or solids in all types of process systems, especially suitable for Run-Dry Protection of progressive cavity and positive displacement pumps.  
 

L2000
L3520
L3521
L3522
L3540
L3541
Point Level Probes

 

 

NULL-KOTE™-RF Impedance

Remote Point Level Controller


Remote Sensor Mounting -Eliminates the need to work in high places, or inclement weather. Control unit can be up to 3000 feet from sensor and uses ordinary twisted pair cable.

Universal – Wide Range of Point Level Applications – detects the level of powders, granules, both conductive or non-conductive liquids … even the sticky ones.

Designed to Survive – RF immune, vibration-proof, all circuit boards are conformal coated (tropicalized) for extra protection - at no extra cost.

High Sensitivity and Stability – For critical low response applications.

Easy-On Probe Connection – Automatically provides simple, fast installation and reliable operation without wires, terminal strips or connectors. Simply screw probe into the housing.

Ten-Year Warranty – The only level instruments available with this unique assurance of quality.

Wide Temperature Range – Standard process temperature range: -300 to 500°F (-184 to 260°C).

NULL-KOTE™ Circuitry – Makes the sensor immune to adverse effects from conductive coating build-up.

Unique Status Indicator – Indicates both presence or absence of material and power "on" with two color LED.

Heavy Duty Relay – 

10A, 115 VAC resistive contacts.

Time-Delay Included – 

0-30 second delay - no extra cost

High or Low Fail-Safe - Field selectable.

Explosion-proof Probe Housing   

Class I, II, III, Div.1, Groups C, D, E, F, & G NEMA 4.

Weather-proof Electronics Housing (control unit) NEMA 4X.

PRINCO’s L3541 remote level controller gives you the optimum combination of features, reliability, convenience, sensitivity, and cost.

Conformal coated, NULL-KOTE, explosion-proof/weatherproof enclosures, ROLLOCK probes and our unique 10 Year Warranty means the ultimate in reliability.

Excellent sensitivity plus 1 picofarad stability, means a true set and forget installation.

With a remote mounted sensor, 10 amp relay contacts, 0-30 second time delay, coarse and fine sensitivity adjustments, selectable hi-lo failsafe, and our exclusive probe status indicator, you get all the features you need at a price that makes the L3541 an outstanding value.

Type Point (remote sensor, on/off) level control, radio frequency (RF), impedance sensing, NULL-KOTE™.

Sensitivity 0.15pF to 1000 pF capacitance.

Operating Temperature -40 to 150°F (-40 to 66°C).

Temperature Stability Less than 0.1 pF/20 F.

Delay Time/Mode 0 to 30 second/delay on and off.

Fail-Safe Mode Fail-Safe low level or high level. Field changeable.

Dead Band 10:1 adjustable range to 1000 pF maximum.

Power Requirements Standard Models: 95/135 Vac, 50-60 Hz, 1.3 watts 12/34 Vdc, <1 watt

Optional Model: 230 Vac

Test Function - Pushbutton tests control relay.

Relay Contacts- DPDT (2 form C) rated at 10A, 115 VAC or 26 VDC, resistive.

Level Status Light Optional: Red and Green lights.

Electronics Housing NEMA 4X

Probe Housing - Explosion-proof : Class I, II, III, Div. 1, Groups C, D, E, F, & G / NEMA 4

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800-221-9237

PH:215-355-1500 ~  FAX: 215-355-7766

1020 Industrial Boulevard - Southampton, PA 18966 

Revised: 12/10/2010

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