Hygienic Thermatel® Thermal Dispersion Flow & Level Switch D E S C R I P T I O N Designed for use specifically in the clean or hygienic process industry, the Thermatel TD2 is an outstanding flow/level switch where easy external wipe-down and a sensor free of cracks and crevices are required. The TD2 Thermal Dispersion Flow/Level switch provides continuous diagnostics, temperature compensation narrow hysteresis, and fast response time for superior performance. The TD2 switch uses either AC or DC input power, provides a DPDT relay output with a visual LED indication of status through the glass window in the cover. Other features include ability to electronically measure the set point, a mA output signal for trending and diagnostics and time delay. See Magnetrol Brochure 54-110 for additional information and complete specifications. Model TD2 with hygienic stainless steel enclosure & spherical tip probe T E C H N O L O G Y F E A T U R E S • Temperature compensated to provide repeatable alarm under varying process temperatures • Continuous diagnostics detect sensor fault • A non-linear mA output signal can be used for trending, diagnostics and repeatable flow/level indication • Detects minimum flow or presence/absence of flow • Simple/fast calibration • Excellent low flow sensitivity • Process temperatures from -100° to +400° F (-73° to +204° C) • Fast response time • 316 stainless steel probe with 32 Ra finish The Thermatel TD2 switch utilizes Magnetrol proven thermal dispersion technology. The sensor consists of two RTD elements. One is the reference and the second is heated to a temperature above the process temperature. The electronics detect the temperature difference between the two elements. The temperature difference is greatest in air, then decreases when cooling occurs due to a change in media. An increase in the flow rate further decreases the temperature difference. The set point is adjusted for the switch to alarm at the desired temperature difference. Once the set point is reached, the relay will change state. A P P L I C A T I O N S PUMP PROTECTION Discharge Flow ¬ Installed on the suction or discharge of a pump, a Thermatel switch provides rapid indication of a low flow or no flow condition to prevent pump damage. No moving parts, excellent low flow sensitivity, and low hysteresis between alarm and reset points are all important features in this application. Enhanced temperature compensation minimizes set point drift due to varying process temperatures. ADDITIONAL APPLICATIONS: Flow Switch • Water for Injection • CIP Systems • CO2 Flow Level Switch • High Viscosity M O D E L T D 2 Hygienic Centrifugal Pump Protection N U M B E R E L E C T R O N I C S POWER 7 8 AC power DC power RELAY OUTPUT D H DPDT 8 amp relay DPDT 1 amp hermetically sealed relay GLASS WINDOW IN ENCLOSURE 0 1 None Window provided LOCATION 0 Integral ENCLOSURE TYPE/CONDUIT CONNECTION 4 5 T 2 D 2 0 0 7 304 stainless steel – 1⁄2" NPT (single entry) 304 stainless steel – M20 (dual entry) DIMENSIONAL Model TD2 with SPECIFICATIONS Hygienic Housing & INCHES (MM) Tri-Clamp® Connection 5.24 (133) 5.75 (146) 1.05 (26) Typical Insertion length Æ .875 (22) Dia. M O D E L N U M B E R S T A N D A R D P R O B E MODEL TE TM Probe length in inches Probe length in centimeters TIP STYLE A B Spherical tip Spherical tip – with 4" heat extension max. +250° F (+121° C)/max. 600 psi (41 bar) max. +400° F (+204° C)/max. 600 psi (41 bar) MATERIAL OF CONSTRUCTION A 316/316L stainless steel HYGIENIC CONNECTIONS 3T 4T VV 1" and 11⁄2" 2" DN65 Tri-Clamp® Tri-Clamp Varivent® Contact Magnetrol for other hygienic fittings including Neumo, G1A, and DIN 11.851. INSERTION LENGTH 002 003 005 006 A 2" minimum with Tri-Clamp connection 2" minimum with Varivent connection in 1" increments to length of 130 inches Minimum length 50 mm with Tri-Clamp connection Minimum length 60 mm with Varivent connection Extended lengths in 10 mm increments to length 3300 mm Examples: 50 mm = code 005, 3300 mm = code 330 0 3 Q U A L I T Y The quality assurance system in place at Magnetrol guarantees the highest level of The Magnetrol quality assurance system is registered to ISO 9001 affirming its com- quality throughout the company. Magnetrol is committed to providing full customer satisfaction both in quality products and mitment to known international quality standards providing the strongest assurance of product/service quality available. quality service. W A R R A N T Y All Magnetrol electronic level and flow controls are warranted free of defects in materials or workmanship for one full year 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 54-610. 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 Heikensstraat 6 • B 9240 Zele, Belgium • 052 45.11.11 • Fax 052 45.09.93 Regent Business Ctr., Jubilee Rd. • Burgess Hill, Sussex RH15 9TL U.K. • 01444-871313 • Fax 01444-871317 Copyright © 2011 Magnetrol International, Incorporated. All rights reserved. Printed in the USA. Performance specifications are effective with date of issue and are subject to change without notice. Magnetrol, Magnetrol logotype and Thermatel are registered trademarks of Magnetrol International. Hastelloy® is a registered trademark of Haynes International, Inc. Monel® and Inconel® are registered trademarks of Special Metals Corporation Tri-Clamp® is a registered trademark of Ladish Co. Varivent® is a registered trademark of Tuchenhagen GmbH LTD BULLETIN: 54-160.0 EFFECTIVE: November 2007