Related Manuals for Tecfluid LTDR series
Summary of Contents for Tecfluid LTDR series
- Page 1 Guided radar level transmitters Series LTDR instrumentation for fluids Instructions Manual R-MI-LTDR Rev.: 0 English version...
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Page 2: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..................MOUNTING ..................... Mounting considerations ............ELECTRICAL CONNECTION ………............. CONTROL ELEMENTS ................CONFIGURATION SINGLE ROD PROBE AND ROPE PROBE ... Perform disturbance signal scan ……………………….…..Lower range value [4mA]; SPAN 0% ……...….….….….…..Upper range value [20mA]; SPAN 100% …….…...….…... CONFIGURATION COAXIAL PROBE ........... -
Page 3: Introduction
INTRODUCTION The LTDR series are 4-wire TDR-Sensors (time domain reflectometry), also known as Guided Radars or Guided Wave Radars, with single rod, coaxial probe or rope probe for continuous level measurement and point level detection in liquids, with analog and switching output. -
Page 4: Mounting Considerations
Mounting considerations The probes should be installed so that they are not directly impacted by liquids flowing out of the filling inlet. The probe have to be installed as far as possible from the exit tank drains because the suction effect could damage the probe. The single rod and rope probes should neither touch nor sway towards other objects inside the tank or the tank/nozzle walls;... -
Page 5: Electrical Connection
The coaxial probe is recommended for installing LTDR into a non-metallic tank or open pit. If that is not possible, a single rod probe can be used when LTDR is mounted into at least a DN50 metal flange or screwed into a metal sheet with at least Ø150 mm. ELECTRICAL CONNECTION Verify that the power supply for the sensor (not supplied) is switched off. -
Page 6: Control Elements
Pull the cable back, but make sure its mantle does not retract into the cable gland. Tighten the cable gland to ensure proper sealing function. Switch on the power supply for the sensor. The sensor LED should start blinking green within 6 seconds after connecting the power (during this start-up time the LED is off). - Page 7 red: indicates DIP switch position 8 which switches between measuring and configuration mode. Only when DIP switch position 8 is on/1, LTDR can be configured; configuration mode is indicated by the LED blinking alternately green and red. When DIP switch position 8 is off/0, LTDR is in measuring mode; indicated by the LED blinking green.
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Page 8: Configuration Single Rod Probe And Rope Probe
gray: indicates the DIP positions through which individual functions/configuration settings are selected After setting all DIP switch positions to represent the 0/1 sequence of the desired function (as described in figure 2), the push button has to be pressed to execute the desired function. -
Page 9: Configuration Coaxial Probe
It is recommended that the upper range value stays within the measuring range [M] (see figure 10). Change DIP switch position 3 to on/1. DIP SWITCH POSITION DIP SWITCH SETTINGS DESCRIPTION upper range value [20mA]; SPAN 100% Press the push button. LED will remain green briefly while the upper range value setting is being executed. -
Page 10: Upper Range Value [20Ma]; Span 100
LED will remain green briefly while the lower range value setting is being executed. Once it has been executed successfully, the LED will return to blinking alternately green and red. Upper range value [20mA]; SPAN 100% Raise the liquid inside the tank up to the level where you want to position the upper range value [20mA];... -
Page 11: Disturbance Signal Scan
Figure 10. Probe length and measuring range between the lower range value [4mA] and the upper range value [20mA] of the analog current output is equal to 0...100% of your continuous level measurement reading. It is recommended that the span between those two range values stays within the measuring range [M]. -
Page 12: Electrical Specifications
4-wire system ELECTRICAL SPECIFICATIONS continuous level measurement through analog output and Output functions point level detection through switching output current output 4…20 mA the span between the lower range value [4mA] and the upper range value Analog output (active) [20mA] is equal to 0...100% of the continuous level measurement reading. It is recommended that the span between those two range values stays within the measuring range [M] (see figure 10) <500 : HART... -
Page 13: Measurement Specifications
MEASUREMENT SPECIFICATIONS reference condition: dielectric constant [ ]=80, water surface, tank Ø1m, DN200 metal flange Accuracy ±3 mm Repeatability <2 mm Resolution <1 mm single rod Ø6 mm Probe type coaxial Ø17,2 mm (standard tube: NPS ", 10S) rope probe Ø4 mm or Ø6 mm single rod probe: 100...3.000 mm longer length on request coaxial probe: 100…6.000 mm... -
Page 14: Dimensions
Conforms with the 2002/96/CE Directive Conforms with the 2004/108/CE Directive Conforms with the 97/23/CE Directive This equipment is considered as being a pressure accessory and NOT a safety accessory as defined in the 97/23/CE directive, Article 1, paragraph 2.1.3. DIMENSIONS Single rod probe Rope... -
Page 15: Additional Instructions For Atex Version
ADDITIONAL INSTRUCTIONS FOR ATEX VERSION The LTDR is suitable for applications with hazardous gas or dust atmospheres, for applications requiring instruments of category 1/2G, 1/2D or 2G, 2D. If the LTDR is installed and operated in hazardous areas, the general hazardous area installation regulations IEC 60079-14, all relevant national, regional and local regulations and standards, as well as these safety instructions must be observed. - Page 16 WARRANTY TECFLUID guarantees all the products for a period of 24 months from their sale, against all faulty materials, manufacturing or performance. This warranty does not cover failures which might be imputed to misuse, use in an application different to that specified in the order, the result of service or modification carried out by personnel not authorized by Tecfluid, wrong handling or accident.