L 系列液位变送器 - ElectroZep
Contents
1. Z represents zero and S span Regarding to explosion proof transmitter potentiometers locate in the electrical circuit which is in the housing You will see the potentiometers after opening the housing 7 3 Schematic diagram for debugging wiring A Regulate system shown as the Fig 7 1 Standard HGHHH e pressure source transmitter tester Fig 7 1 Wiring Diagram B If process tester are not available the test system can replace with a 24Vdc power a 250 or a 0 50 standard resistance and a 41 2 digital voltage meter Fig 7 2 GOOG 4 digital voltimeter Standard pressure source Fig 7 2 Compound wiring diagram 7 4 Tester requirements Measuring Range 0 30mA 0 05 with 24Vdc power 0 20KPa 0 05 FS Optional Pneumatic setter micro pressure adjuster 24Vdc Power 24N dc 10 96 When Process Tester Standard Resistance 250Q or 50Q 0 01 i unavailable Digital Voltage Meter 41 2 digital voltage meter 0 01 7 5 Calibration procedure A Connect pressure source and transmitter and seal the connection B Apply zero pressure to transmitter output of transmitter should be 1 000V or 4 000mA If not turn zero potentiometer C Apply span pressure to transmitter output of transmitter should be 5 000V or 20 000mA If not turn span potentiometer D Repeat step B and C until meeting the requirements 8 Installation 8 1 Wiring Intrinsic safe Signal terminals locate in a2. blocked when measuring paste level D Do not alter or change elements which may affect the explosive ability 9 Maintenance and Trouble shooting The instrument must carry on check regularly to its basic characteristic when operation adjusting zero Replace fault elements find trouble and shoot to ensure the instrument s operation is normal and reliable now the general trouble shooting method listed table explanation as follows Power voltage misused Power voltage is not match with Load resistance misused load No output a R polarit Dr TENERE wire Output wire broken wire broken Swichon on Check isolation meters display Measuring system un correct A instrument and transmitters Output 10046 7 6208 Zero span and potentiometer Replace damage elements and U0 Un correct or damage re calibrate Note Please send transmitters to factory if above does not work 10 Ordering Information 10 1 Please note the followings when order explosion proof transmitter A There are two kinds of transmitters for dangerous area use explosion proof and intrinsic safe User should select according to GB 3836 15 2000 Electric Device Used in Explosive Gas Environment No 15 Section Dangerous Location Electric Installation Exclusive of Coal Mine B Determine the composition of inflammable or explosive medium and then select the relative proof group and class according to GB 3836 C The selected transmitter wh
3. please contact with us and obtain necessary information Please pay attention to warn sign on the package Iced measured medium can damage the sensor Only qualified or authorized persons are able to carry out installation electric connection operate and maintenance of the transmitter Qualified personnel means who have experience in transmitters or similar devices and have related certificates such as electric circuit high voltage corrosive medium Such as have training guide or authorization for safety engineering standard operational maintain device or equipment of electric circuit high voltage and corrosive medium In order to your safe please attention when electric connect it only to be able to use enough to absolute tool In addition it must abide related safety specification about electric install construction and operation For explosion proof transmitter that should be has related specification and recommend standard with explosion proof The transmitter may operate in the field of high voltage and corrosive medium if handle is not correct then it is possible to cause serious person injury or material damage When use in others country which must abide relate national specification 2 Main characteristic WIDE PLUS L series liquid level transmitter adopts the sensor with international advanced level incorporate of high accurate electronic element under strict control of process It uses dry pressure measurement technique w
4. Ceramic capacitance Mode of process connection outer thread Gi flange approves DN20 PNO 6 0 Protection grade the part of sensor is IP68 connection box is IP65 K1 shell is IP67 Dimensions mm 118 T T o o o D c c o o E E o o c c Q9 Tread dimension 2 flange connection Si 1 transmitter shell S 1 transmitter shell ss i 2 thread process connection 2 flange 3 stainless steel pipe 3 conducting gas cable 4 Probe 4 Probe O27 9 42 o 27 O 42 Note the probe diameter of ceramic capacitance and diffusion silicon is respectively 42 and 27 7 Debugging WIDEPLUS L series 7 1 debugging Cable tube and direct mount type transmitters are calibrated in factory by dry calibration according to medium density offered by user Because the calibration condition is not same as process condition user needs re calibration generally Make level up to its span and then set output current to 20 000mA by turning Span Potentiometer If the level cannot be making up to its span calibration can carry out according to below equation Inz hn hmax 16424 mA In which In output current relative to n point level mA hn n point level m hmax Max level ie span m Please refer to factory record for higher accuracy 7 2 Zero and range adjustment Regarding to intrinsic safe transmitter its Zero and range potentiometers are located in wiring case Slide the plate marking Z and S in which
5. Max Accuracy 0 2grade 0 5 grade Stability better than 0 196 FS year Atmosphere pressure 86 108KPa Temperature normal temperature Medium 20 60 C Environment 20 70 C Storage 40 80 C Material contacted with the medium Housing Stainless steel 1Cr18Ni9Ti Seal fluorine rubber PTEE Sealed weld Membrane 316 L stainless steel Ceramic capacitance Material of guide gas cable combination of polyethylene chloride and nitride rubber Mode of process connection outer thread ay flange approves DN20 PNO 6 Protection grade the part of sensor is IP68 connection box is IP65 K1 shell is IP67 Dimensions mm oo c 2 e 7 S S E c E E i o 3 s S 4 z s thread connection B 4 transmitter shell 2 thread process connection Hd 3 conducting gas cable 4 Probe 27 or 42 27 or 42 Note the probe diameter of ceramic capacitance and diffusion silicon is respectively 42 and 27 6 3 Construction and technical parameter of WIDEPLUS LR bar type static pressure liquid level transmitter Technical parameter Power supply 12 5 V 36VDC Output signal 4 20mA Measuring Range 0 4m Max Accuracy 0 2 grade 0 5 grade Stability better than 0 196 FS year Permission Temperature Standard temperature Medium 20 70 C Atmosphere 20 70 C Storage 40 80 C Material contacted with the medium Housing Stainless steel 1Cr18Ni9Ti Seal fluorine rubber PTEE Sealed weld Membrane 316 L stainless steel
6. separate cabinet Screw the back cap of housing find five terminals See Fig 8 1 in which two terminals are used for signal the other two for testing or connecting display meter There is a diode between test terminals so power cannot be supplied to them directly Explosion proof Signal terminals locate in a separate cabinet Screw the back cap of housing find four terminals See Fig 8 1 in which middle two terminals are used for signal the other two for testing or connecting display meter There are two electric conduits on both sides of housing using for cable Screw the nut to secure cable Conduit unused be sealed There is a fixing for explosion proof transmitter that be fixed after operation OO 0 gt Wiss p N WANS Y SY Cable Wire board Intrinsic safe Explosion proof Fig 8 1 8 2 Basic requirements for installation and usage A Installation condition meets the requirements of this manual Avoid installing in violent vibration heating source and corrosive atmosphere B A holder is used for fixing housing Avoid pressing or clamping the ventilation tube C A separate cable two cores O D 9 10mm with metal screen grounded is used for Explosion proof transmitter The electric conduit is as follows a V NL Sealing ring v ST AW Gasket NN pret Fig 8 2 Screw the nut to secure cable and meet requirements of explosion proof and waterproof Pay attenti
7. Le Salety Guides asco EE O 2 Main characteristic sissen Att dee verto denies e us dan e ea aa ae eet us E E O Ss Working principle i ee RR n RR AA HEEE AAPEA A ANAS 4 Operational manual of explosion proof type transmitter seseeeeee O 5 Frame proof type transmitter before install and use notice points sssesesesssssse O 6 Construction and technical parameter of liquid level transmitter ssueusssssss O 7 Debugging WIDEPLUS L series sessssssseenee mene hene hene nhen nennen O 9 Installati n eoe tee t A e dotes leas aah lek teen Pend a e it det a a a O 9 Maintenance and Trouble shooting ssesssssssseseeeee mene eene e hen een rene 10 Ordering Information eene eoe tre one nee eoa PER ea een meo n EEEE maa pe REEN oO 11 Type spectrum table for WIDE PLUS L series liquid level transmitter 10 1 Safety guide Safety precautions In order to ensure safety operation for WIDE PLUS L series liquid level transmitter which must abide the following explanations Before install and use please careful read this operational manual For short the manual does not include the detail explanation of all product mode also has not about every particular of assemble operation and maintenance If want to know deeply or special question then the operational manual has not detail introduce part
8. S L series liquid level transmitter combines with WP series digital display namely make up of static liquid level meter Measured liquid level pressure signal is transmitted to digital display from liquid level transmitter Display transforms into and indicates corresponding level value according to the specific gravity of the medium and other parameter Select display please refers to Intelligent display control regulation instrument sample and relative technical file Relation between load resistance and supply power voltage shown as the fig 3 2 Load resistance 2 work zone ATTHTTTTTTTTTTTITTTTTTTTTYTTITYYTT is 0 5 10 4 Work voltage Fig 3 2 4 Operational manual of explosion proof type transmitter 4 4 Explosion proof type and mark This transmitter divided into two kinds frame proof type and essence safe type pass through national named explosion proof quality examine organization carry on check and get the explosion proof certificate of quality A Frame proof type ExidIICT6 certificate of quality number CNEX 03 1088 B Essence safe type ExialICT6 certificate of quality number CNEX03 822 4 2 The classification grade and temperature group of the explosion proof electrical equipment used into explosibility environment A Classification I class electrical equipment used to below will ofthe coalmine II class Factory used electrical equipment This transmitter belong to II class electricalequipment B Grade and tem
9. e wiring the faulty equipment take to non danger field then can be carried on Prohibit reform and change standards The product of the get explosion proof certificate of quality not permit at will replace which for explosion proof performance influential parts or construction The power transformer supplied to safety grid must correspond to GB3836 4 2000 standard 8 1th item requirement 6 Construction and technical parameter of liquid level transmitter 6 1 Construction and technical parameter of WIDEPLUS LD Direct Mount Type static pressure liquid level transmitter 0 Technical parameter Power supply 12 5V 36V DC Output signal 4 mA 20mA 2wire system Measuring Range 0 100m Max Accuracy 0 2 grade 0 5 grade Stability 0 196 FS year Temperature normal temperature Medium 20 70 C Environment 20 70 C Storage 20 80 C Relative humidity 0 95 RH Material Process connection Stainless steel 1Cr18Ni9Ti Seal fluorine rubber PTEE Sealed weld Membrane 316 L stainless steel Ceramic capacitance Mode of process connection flange approves DN50 PN1 6 MPa Protection grade IP65 K1 shell is IP67 Dimensions mm Fig 6 1 Outline dimension of WIDEPLUS LD Direct Mount type static pressure liquid level transmitter 6 2 Construction and technical parameter of WIDEPLUS LC Cable Type static pressure liquid level transmitter Power supply 12 5 V 36V DC Output signal 4 20mA 2 wire system Measuring Range 0 100m
10. ich group and class should be higher than that of medium D Temperature environment for explosion proof transmitter is 20 70 C E Intrinsic safe transmitter should use with related safe grid according to requirements of explosion proof or user s manual Safe grid made by our company is recommended 10 2 Please offer the followings when order A Model B Standards explosion proof area C Process connection and its material D Sensor and its material E Installation size Cable type cable length L m Tube type tube length Lz m From flange face to sensor face F Measuring range G Medium and its density 10 3 Example Capacitive cable level transmitter explosion proof cable type 316 screw G11 2 Medium water Installation size 5m Measuring range 4m Ordering code WIDEPLUS LCDITCIF2A5HG09 Medium water h 4m L 5m 11 Type spectrum table for WIDE PLUS L series liquid level transmitter 11 1 Type spectrum table Model WIDE PLUS L C cj Bj u a a ja ju u lo on C standard cable type cable temperature lt in oe eee proof the connection box note er See integrated carries the connection box note 1 m Pole type moe 00000 Pole type note 1 HHHHHHHEHRE Direct mounting type Armored cable type G1 armored pipe for 304 Eus 1 G2 armored i RN MUNI for 316 SS _ Standard type no Standard type no explosion proof sd proof Explosion proof Isolated explosion type Exd IIBT6
11. ithout mediation liquid full scope to technical advantage of the ceramic sensor and to make WIDEPLUS L series liquid transmitter have superior technical performance Its anti overload and anti impulse ability is strong temperature offset is small high stability and have the very high measuring accuracy WIDE PLUS L series liquid level transmitter have many output signal range process connection and material May widely use to petroleum chemical industry electrical power metallurgy pharmaceutical food and other many industrial fields and may be suitable for each field and medium In particular use to ideal upgrade successor for traditional pressure meter and transmitter is also ideal pressure measure instrument in industrial automation field 3 Working principle Certain point static pressure in liquid is proportional to the distance between this point and its level namely P2p g h In which P measured pressure stress p medium density g gravity acceleration h height from measured point to level Measured pressure is only relative to height from measured point to level whenp and g known WIDE PLUS L series level transmitter makes use of the above principle to measure liquid level Note Measured liquid container must be lead to atmosphere that is open type cannot sealed Otherwise measured result has not meaning Measurement system WIDEPLUS L WP Liquid level transmitter digital display Fig 3 1 WIDEPLU
12. losibility gas environment used electrical equipment fourth part essence safe i regulation and pass through relative explosion proof department carry on check and get the explosion proof certificate of quality according to its operation manual requirements carry on install Ex all CT6 Exi a ll CT6 Danger field Safe field Fig 5 1 Ui 28VDC Ii 30 mA DC Pi 0 84W Ci 0 04p F Li 0 1mH Uos Vi Ios Ii Pos Pi Co Cp Ci Lo Lp Li Uo Io Po Co Lo is essence safe explosion proof parameter of the safety grid Cp Lp is distributed parameter of the connected cable In order to safety must distinguish the essence safe loop and the non essence safe loop and hold the essence safe loop wiring and other electrical loop wiring separate run wire When inside element of the frame proof type transmitter fail it need to repair or to replace in principle should undertake by manufacture factory When user oneself repairs must according to relative note matter concrete repair method please according to repair chapter and sections carry on Repair of the essence safe type instrument only limit within described scope carry out out of the scope repair must consult with manufacture factory After pass through checked and repaired only can renew put into revolve User may carry on the repair only limit within the use common tool scope but not allow use electric iron Repair must after the equipment stop power supplied and take off outsid
13. on to various disturbances cable is in a line not in rolls keeping distance from high voltage cables distributed capacitance lt 0 19uF and inductance lt 1 0mH D Grounding Screw grounding bolt to secure grounding wire Make sure that grounding resistance is less than 4 ohm Grounding gasket be pressed under MIOXI6 bolt E Meet requirements of explosion proof regulations When safe grid is used refer to User s Manual of safe grid and note cable length distributed capacitance and inductance 8 3 Installation Cable Type and bar Type A Screw connection Supply a G11 2 round nut with each transmitter There are two installations 1 There is a G11 2 screw in site so screw the transmitter directly 2 There is no a G11 2 screw in site so a 050 60mm hole or a holder with 50 60mm hole is needed then screw the transmitter on it B Flange connection Default flange complies with GB 9119 6 88 DN 50 If there is flanges in site please provides flange size or standard to manufacturer Note Direct mount transmitter flange meets GB 9119 6 88 DN50 C The sensor head can be submersed directly in liquid or with heavy material or with anchor fixing on tank wall Which installation is used depending on the practical conditions Basic consideration is that the sensing hole cannot be blocked up by sediment for example to measure river level a plate is used to smooth the level and the output signal Make sure that the sensing hole is not 0
14. or Exd IICT6 K1 rank Pam fr I tt LI Intrinsic Intrinsic safety type ExibIICT6 or ExialICT6 type ExibIICT6 or ExialICT6 Material of i FG ned ca ENCRRUN process 2 jj Jas connection 3 ficrswiotiss 0 5 5 b X Mode of T outer thread G11 2 yen id EEE EEE Flange note 2 snail ly EHHH Special appointed Membrane of diffusion A1 standard type Membrane EN 5 silicon A2 super stable type ids mL Ceramic capacitance membrane Sen ats meme ______ Fluorine rubber Material of seal e E Nilembber clement 7mm mum TEE costae iin Teo E EHI essent 2 d20mapDCwowresstem output SES Special requirement i Nofieldindication 00000 fo 100 tineardisplay i i Dilara e LCD digital range display Qiquid crystal ibis LED digital range display numeral tube E 00 100 Lep digital display E on 100 LED digital display a j otgmde nte3 0 00 0 0 0 0 0 0 Accuracy grade _ ees 0 2 peoo 0 5 Weds Nocounterpoise counterpoise Standard counterpoise please provides flow rate Counterpoise density ei 3 Installation It only limited cable t d pole t te 4 dimension el ens Measinmeecane See the standard range table for WIDE PLUS L series uri scop univer
15. perature group II class electrical equipment according to its suit used to explosibility gas compound ratio of the maximum examine safe gap ME SG for frame proof type and the minimum ignition current MIC for essence safe type divided into A B C three grade see table 1 1 and according to its highest surface temperature divided into T1 T6 group see table 1 2 Table 1 1 MESG grade table TEE IN Table 1 2 Permissible electric apparatus surface temperature grouping table Temperature group mmy moy m m Permit the highest surface temperature C 450 300 200 135 100 85 5 Frame proof type transmitter before install and use notice points Transmitter strict according to GB 3836 15 2000 explosibility gas environment used electrical equipment fifth part Dangerous field electric install except coal mine relative item carry on install Frame proof type transmitter when apply in dangerous field the transmitter case cover must turn tighten in order to ensure apply safety must strict keep safe regulations absolute not permit when make contact open the transmitter cover When install the frame proof type transmitter must ensure cable lead out port with fine seal Transmitter external case must be grounding good After essence safe type transmitter must match used safety grid only can used in the dangerous field with explosibility compound Safety grid must correspond to GB3836 4 2000 Exp
16. pply to food medicine and other survey field 11 2 WIDPLUS series pressure transmitter standard span table Diffusion silicon overload Diffusion silicon Capacitance type Vv Capacitance type overload Gauge i code Range 4KPa 20KPa 6 4KPa 20KPa 8KPa 35KPa 10KPa 35KPa 12KPa 35KPa 14KPa 35KPa 0 25KPa 0 30KPa 0 35KPa as 00a La eom am 020s am oem a eam em oem en eme sn ewe an eme en exem Pais va ais osoon en muwm 0 40KPa 0 60KPa 0 100KPa 0 160KPa 0 200KPa 0 250KPa 0 400KPa 0 600KPa 0 1 0MPa 16KPa 70KPa 24KPa 70KPa 40KPa 100KPa 64KPa 200KPa 80KPa 200KPa 100KPa 350KPa 160KPa 700KPa 240KPa 700KPa 0 4MPa 10MPa 1 0MPa 55KPa NOTE x means do not provide V means provide by standard range
17. sal pressure transmitter Option gives an WIDE PLUS LCS1FA1F2A5H example Q Note approves K1 outline Q Notice to the order density of liquid medium temperature The range of liquid level h m 00 Cable type cable length L m Pole type insert depth L m distance from the probe to flange Note 1 The integration is that mode for which adopts import the sensor with stainless steel isolation membrane and high performance special amplification circuit be directly packed in the probe Note 2 cable and pole type liquid level flange approves DN 20 PN 0 6 MPa direct mounted liquid level flange approves DN 50 PN 1 6 MPa threaded type approves the thread is G1 1 2 special demand please noted it when ordering Note 3 0 1 grade precision can be realized only if it should be employed the membrane material of super stable diffusion silicon A2 Note 4 Installation dimension used in the cable and pole transmitter if measuring range of well water level is 10 m installation dimension is 11 m then extra 1 m use to installation regulating actual measurement is 10 m and does not notice Cable type approves height regulation is 1 m pole type users should be detail noted the installation dimension Note Guide gas cable of cable liquid level transmitter adopts high performance environmental protection material such as import abrasion proof weak acid proof concentration anti low tem perature and may a
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