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User’s Guide
LVR300 Series
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LVR300 Series
Continuous Level Switch System
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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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LVR300 Series Sensor Overview Operating Principle The complete LVR300 Series Sensor is designed to be a self-contained continuous level sen- sor and control, requiring only a power source. A 16-bit microcontroller with a 14-bit A/D converter and a 12-bit D/A converter provides the necessary processing speed and measurement accuracy. The signal is displayed with units using a back-lit LCD graphical display and converted to a 4-20 mA signal. Two switch points with either a positive or negative out
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LVR300 Series Programming Positions & Operation On power-up, the company logo is displayed, followed by the preset level/unit measurement. Changing the level (by float movement) will be reflected in the display. If the level is at either of the preset switch levels S1 or S2 (the upper and lower levels), the display will also be alternating between the S1 (or S2) status indication with the level reading. The Switch Active status is also indicated by a flashing LED. Neutral By rotating the program
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LVR300 Series Quick Reference – Programming Steps HOW TO MODIFY THE SENSOR HOW TO ENTER ADDITIONAL OPERATING PARAMETERS PARAMETERS & INFORMATION Example: S1 = +18.6 Inches (or cm) + 0.0 When the program ring is turned to Inch (cm) the right toward If the ring is turned Position 2 (EDIT), right toward Position 2 a cursor appears (EDIT), a cursor S1 at the parameter Code appears while the to modify. +25.5 parameter you want to 0 0 0 modify is displayed. Turning right Code S1 effects an increase Tu
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LVR300 Continuous Level Sensor Installation Guide General Information 1. Continuous Level Sensors should be installed rigidly so the float is free to move as the liquid level changes. 2. Continuous Level Sensors should be mounted in a tank area free of severe turbulence or protected from such turbulence by appropriate and adequate slosh shields. 3. Continuous Level Sensors stems should be vertical for best results, but satisfactory operation is possible in most liquids with the stem at up to
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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 & Accesso
