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User’s Guide
LL-01 “Sentio™”
& LL-10 Series
Shop online at
omega.com
e-mail: info@omega.com
For latest product manuals:
omegamanual.info
LVU-700
LVUD-101
Ultrasonic Point Level Switches
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® OMEGAnet Online Service Internet e-mail omega.com info@omega.com Servicing North America: U.S.A.: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: ® U.S.A. and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA ® Customer Service: 1-800-622-23
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UNPACKING INSTRUCTIONS UNPACKING INSTRUCTIONS Remove the Packing List and verify that you have received all equipment, includ- ing the following (quantities in parentheses): Ultrasonic Level Measurement System (1) Operator’s Manual (1) If you have any questions about the shipment, please call the Omega Customer Service Department. When you receive the shipment, inspect the container and equipment for signs of damage. Note any evidence of rough handling in transit. Immediately report any damage t
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TABLE OF CONTENTS Page Chapter 1 Point Level Model Description . . . . . . . . . . . . . . . . . . . . . . . . . .4 Chapter 2 Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Chapter 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Chapter 4 System Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-8 Chapter 5 Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-
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SYSTEM DESCRIPTIONS 1 GENERAL DESCRIPTION These series of Liquid Level Detection systems are ideal, low cost ultrasonic liq- uid level detection systems for many applications. They operate in a broad spec- trum of viscous to light liquids. PRINCIPLES OF OPERATION 2 The LL-10 Series operates using ultrasonic sound wave propagation. Ultrasonic sound waves are greatly attenuated when transmitted through air. Conversely, when liquid is present, transmission of the sound waves is greatly enhanc
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INSTALLATION 3 FINAL INSTALLATION Follow the instructions below: 1. Drill a suitable hole in the vessel or pipe wall and tap for 3/4” NPT. If this walled vessel or material is not suitable for threading, weld or braze a bushing to accept the sensor. 2. Screw the sensor in the threaded section and make sure that there is a good seal. Use a pipe compound or sealing tape to avoid excessive tightening. Do not over tighten. 3. Run the power and control wiring cable to the electronic control unit. O
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ORDERING INFORMATION 3 SENSOR SENSOR ELECTRONICS ELECTRONICS PART NO. MODEL MOUNTING MATERIAL INPUT OUTPUT LVU-701 3/4” NPT 316LSS 6VDC-24VDC 1 AMP SPDT Relay LVU-703 3/4” NPT Tefzel 6VDC-24VDC 1 AMP SPDT Relay LVU-704 3/4” NPT 316LSS 6VDC-24VDC 2 Wire Loop Power LVU-707 3/4” NPT Tefzel 6VDC-24VDC 2 Wire Loop Power SENSOR SENSOR ELECTRONICS ELECTRONICS PART NO. MODEL M
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4 SYSTEM WIRING DIAGRAM For Ultrasonic Point Level Switches 7
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SYSTEM WIRING DIAGRAM LOOP POWER OPTION RELAY OPTION 8 For Ultrasonic Point Level Switches
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DIMENSIONAL DRAWINGS 5 9 For Ultrasonic Point Level Switches
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WARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product. If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department w
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Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors Infrared Pyrometers PRESSURE, STRAIN AND FORCE Transducers & Strain Gages Load Cells & Pressure Gages Displacement Transducers Instrumentation & Accessories FLOW
