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Kotron® Tip Sensitive RF Level Sensor DESCRIPTION Kotron Tip Sensitive Level controls can be utilized in liquid or bulk material applications. There are no moving parts in contact with the medium. These units are integral systems with the sensing probe mounted with the electronics. FEATURES • Integral NEMA 4X/7/9 aluminum enclosures • Probe length can be field modified from 14" (356 mm) standard length to a minimum of 4" (100 mm) • 316 stainless steel probe • Maximum pressure up to 3000 psig @ +100° F (205 Bar @ +40° C) • Dielectric constant as low as 2.0 • 5 amp SPST relay • Field selectable fail-safe jumper wire APPLICATION Economical solution for integral point sensor in: • Liquids • Slurries • Dry bulk material TECHNOLOGY As material covers the probe, there is a change in the dielectric of the material surrounding the probe. This creates an increase in capacitance which is detected by the electronics and converted into a relay activation. When the probe is uncovered, the capacitance is reduced and the relay is reset. ELECTRICAL Supply voltage SPECIFICATIONS 120 VAC, +10%, -15%, 50–60 Hz 240 VAC, +10%, -15%, 50–60 Hz 24 VAC, ±10% Power consumption 120 VAC, less than 5 volt-amps 240 VAC, less than 5 volt-amps 24 VAC, 1 watt maximum Zero range Fixed minimum differential Output relays Response time Repeatability Ambient temperature at electronics Operating pressure/temperature AC DC 0 pF (minimum) to 350 pF (maximum) 0.5 pF minimum (1) Reversible SPST 120/250 VAC, 5 amp resistive (1) Reversible SPST 30 VDC, 5 amp resistive 100 milliseconds Better than 1.0% -40° to 160° F (-40° to +70° C) 3000 psig @ +100° F (205 Bar @ +40° C) 2100 psig @ +160° F (145 Bar @ +70° C) 450 psig @ +250° F (31 Bar @ +120° C) horizontal mount 450 psig @ +200° F (31 Bar @ +93° C) vertical mount Temperature coefficient +0.05 pF per degree F (+0.09 pF per degree C) PROBE LENGTH vs. DIELECTRIC CONSTANT A minimum probe length of 4" (102 mm) is permissible in a conductive liquid (dielectric of 24 or greater). The full length should be maintained in a non-conductive liquid or bulk material. If the geometry of your application requires a probe shorter than 14" (356 mm), refer to the chart at right. Minimum required dielectric constant (epsilon) of material At the 14" (356 mm) standard length, the probe will operate in any material with a dielectric constant above 2. 27 26 25 24 26 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 4 5 6 7 8 9 10 11 12 13 14 Total probe length (Inches) 2 AGENCY Agency APPROVALS Model Approved Protection Method Area Classification FM 080-8032-3X2 Explosion Proof Class I, Div. 1, Groups A, B, C & D Class II, Div. 1, Groups E, F & G Class III, NEMA 4X Class I, Div. 1, Groups C & D Class II, Div. 1, Groups E, F & G Class III, TYPE 4X CSA 080-8032-3X2 Explosion Proof MODEL TIP NUMBER SWITCH SENSITIVE INPUT POWER 0 1 2 120 VAC; current less than .055 amp 240 VAC; current less than .035 amp 24 VDC; current less than .030 amp 0 8 0 8 0 3 2 3 2 DIMENSIONAL INCHES (MM) SPECIFICATIONS 3.44 (87) Rotation clearance 4.63 (117) Dia. 2.75 (70) 3/4" NPT plugged 3/4" NPT 3.50 (89) 3/4" NPT 4.00 (102) Min. length 14.00 (356) (std. length) .375 (10) 3 QUALITY The quality assurance system in place at Magnetrol guarantees the highest level of quality throughout the company. Magnetrol is committed to providing full customer satisfaction both in quality products and quality service. Magnetrol’s quality assurance system is registered to ISO 9001 affirming its commitment to known international quality standards providing the strongest assurance of product/service quality available. ESP All Kotron Tip Sensitive RF Level Sensors are available for quick shipment, usually within one week after factory receipt of a purchase order, through the Expedite Ship Plan (ESP). ESP service may not apply to orders of ten units or more. Contact your local representative for lead times on larger volume orders, as well as other products and options. Expedite Ship Plan WARRANTY All Magnetrol electronic level and flow controls are warranted free of defects in materials or workmanship for five full years from the date of original factory shipment. If returned within the warranty period; and, upon factory inspection of the control, the cause of the claim is determined to be covered under the warranty; then, Magnetrol will repair or replace the control at no cost to the purchaser (or owner) other than transportation. Magnetrol shall not be liable for misapplication, labor claims, direct or consequential damage or expense arising from the installation or use of equipment. There are no other warranties expressed or implied, except special written warranties covering some Magnetrol products. For additional information, see Instruction Manual 50-606. 5300 Belmont Road • Downers Grove, Illinois 60515-4499 • 630-969-4000 • Fax 630-969-9489 • www.magnetrol.com 145 Jardin Drive, Units 1 & 2 • Concord, Ontario Canada L4K 1X7 • 905-738-9600 • Fax 905-738-1306 Heikenstraat 6 • B 9240 Zele, Belgium • 052 45.11.11 • Telex 25944 • Fax 052 45.09.93 Regent Business Ctr., Jubilee Rd. • Burgess Hill, Sussex RH15 9TL U.K. • 01444-871313 • Fax 01444-871317 Copyright © 2003 Magnetrol International, Incorporated. All rights reserved. Printed in the USA. Magnetrol and Magnetrol logotype are registered trademarks of Magnetrol International. Performance specifications are effective with date of issue and are subject to change without notice. The brand and product names contained within this document are trademarks or registered trademarks of their respective holders. BULLETIN: 50-136.11 EFFECTIVE: February 2003 SUPERSEDES: July 2000