Inhaltszusammenfassung zur Seite Nr. 1
Where Do I Find Everything I Need for
User’s Guide
Process Measurement and Control?
OMEGA…Of Course!
TEMPERATURE
M U Thermocouple, RTD & Thermistor Probes,
Connectors, Panels & Assemblies
M U Wire: Thermocouple, RTD & Thermistor
M U Calibrators & Ice Point References
M U Recorders, Controllers & Process Monitors
M U Infrared Pyrometers
PRESSURE, STRAIN AND FORCE
M U
Transducers & Strain Gauges
M U
Load Cells & Pressure Gauges
M U
Displacement Transducers
M U
Instrumentation & Accessories
FLOW
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2.2"(56mm) SPECIFICATIONS Step One 4-20 mA Sensor Maximum Tem. / Voltage Derating Tank mounting: Non-intrusive Electrical Loading Limits Continuous 20 mA Sinking Curve Tank mat. comp.: Non-metallic 1,600 100 Tank wall thick.: < 1" (25 mm) 1,400 Unacceptable 80 Unacceptable Range Accuracy: – 1 mm in water 1,200 Range 60 Repeatability: – 0.5 mm in water 1,000 Dielectric range: > 10 constants 800 40 Acceptable Conductive range: > 100 micromhos 600 Range 20 Acceptable Supply voltage: 12-36 VDC 400 R
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SAFETY PRECAUTIONS INTRODUCTION Step Two Step Three About this Manual: About Non-Intrusive RF Capacitance Technology: PLEASE READ THE ENTIRE MANUAL PRIOR TO OMEGA's LVP-51 series level switch generates a high radio frequen- INSTALLING OR USING THIS PRODUCT. This manual cy signal from the capacitance electrode on the tank side of each sen- includes information on all models of the LVP-51 series Non- sor. Depending on the thickness of the tank wall and the material of Intrusive RF Capacitance le
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INSTALLATION ELECTRICAL Step Four Step Five OMEGA's LVP-51 series level switch may be installed anywhere on Supply Voltage: a tank wall using the supplied PE fitting that the switch slides into. The supply voltage to the LVP-51 series level switch should never The fitting comes with adhesive on the tank side that is sufficient to exceed a maximum of 36 VDC. Omega controllers have a built-in 13.5 hold the sensor in position temporarily while the installation is tested, VDC power supply which pro
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WIRING WIRING Step Six Step Seven Wiring to a Omega Controller Wiring the Relay Output: The LVP-51 series relay output can be wired as a dry contact to a LVCN-120/-130/-140 Series Controller: VDC or VAC power source. LVP-51 series requires 12 - 36 VDC power to operate the sensor and switch the relay. All illustrations POWER INVERT DELAY INVERT DELAY below identify a Dry switch state as the normal position of the relay. --+ --+ RELAY 1 RELAY 2 Switching a Normally Open DC Load: The Red wire con
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CALIBRATION CALIBRATION Step Eight Step Nine After it is installed in place, the LVP-51 series must be calibrated by the Checking the Point of Actuation: user before operation. Everything needed for the procedure is self-con- Raise the fluid level to the point 1" max. tained within the electronics of the LVP-51 series level switch. Two where the sensor sends a “wet” dielectric states—full condition and empty condition—are measured by signal (Input LED will turn Full the LVP-51 series, and th
