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1. Rain water can t enter 2 If the application place have causticity gas you d better use plasticene to airproof the cable s entrance insure causticity gas can t enter the instrument www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com DEALLING WITH TROUBLES The instrument does not It is wrong to supply power Check DC24v supplies power is right or not show and does not work Wiring mistake Check wiring is right or not The instrument showing Sensor has not aimed at the liquid or the material Adjust the sensor and aim at the liquid or the materialJoin not working Fluctuating range is very great the liquid a plastic tube to the container Do not level extremely the material Use level meter of the greater measuring range There are thicker foams the liquid Use level meter of the greater measuring range The container bottom is not the level after the Resume working naturally after adding the liquid or the supplies are emptied material Exceeding the Measuring Range Use level meter of the greater measuring range The instrument shows the The level enters the blanking distance Increase the installation height or prevent the level too high unstablely or there are Model 4m 6m level meter instlled on flange a Cannula must be used outside of the sensor great deviations in There are strong electromagnetisms interfered Connect the earth or add
2. Work After Electrifying Instrument show HLNC HLNE at first after electrify show level value after a few seconds indicator lamp glitter once every second at the same time What the instrument actual measured is the distance from sensor to the liquid or the material later converted out the liquid location or material location value it is very important to grasp this principle Press SEL key can look over measure distance value and temperature value www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com Press MOV and SEL keys at the same time can enter parameter setting up state after setting up installing height and measuring range established upper limit and lower limit according to the need then pressed SEL key once again Then press MOV and SEL keys at the same time and return to measure state The instrument will show correct level value will output the correct current signal the switch signal in the upper limit and lower limit If measurement is wrong please refer to the next section that Trouble Deal With Airproof Instrument Screw down the enter line to prevent water tie in You d better take the insulating tape bundle to prevent water tie in You d better make the outside cable deflexibility to prevent rain water inleakage Especially if there are more cables entering deal whit it as above Rain water can enter
3. beingless 12 www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E m ail amp Msn info ultrasonicscn com INSTRUMENT INSTALLING The rational installation of the instrument is the key to working reliably The instrument install above container launch surface of the sensor should point to the liquid surface or the material surface vertically If it is the airtight container should adopt the flange type to install Other situations can install with the simple support Flange type installation should furnish the flange according to the instrument whorl size Installation Demand When ultrasonic wave is launched it will have a very small diffusion angle If have other object in the diffusion angle ultrasonic wave will reflect some measure error will appear when the reflection strong enough But velvet container can t reflect ultrasonic wave send from above Installation site far away from accidented container wall to try one s best far away from the object that can stop sound wave of container such as escalator transfusing mouth and blender etc W If it is the airtight container the flange on the container should accord with the following demand HLN4 Minimum 65mm inner diameter of the flange Insure the HLN6 inboard wall of nozzle smooth And a Cannula must be HLNS used outside of the sensor at the same time Minimum 80mm inner diameter of the flange nozzle
4. HLN12 length should less than 150mm insure the inboard wall of nozzle smooth under along a smooth arc www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com Minimum 200mm inner diameter of the flange flange nozzle length should less than 200mm HLNIS5 Minimum 150mm inner diameter of the flange flange nozzle length should less than 150mm B For HUL4 HLN6 HLNS follows instance a Cannula must be used outside of the sensor 1 At a container flange to install 2 Install at the thicker floor slab hatch 3 At raise adge of the container pool stomata 4 in a tube to install Narrate When the sensor of measuring range 4m 8m their side face closer comparatively to other object this object come into surrounding more to sensor or the area 1s too big to the face of sensor the instrument maybe become fake signal So that the instrument can t nomal work with above mentioned instance must install cannula on the sensor showing as follows _ p gum 1 or us At a container flange to install in a tube to install E 1 lhea LA At raise adge of the container pool stomata Install at the thicker floor slab hatch The instance of a Cannula must be used 14 www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info u
5. N150 Measuring range 15m 20m 30m Minimum DN200 The Crossing Hole Structure of Installation With Brackets Sa ON fl SPD ff 7777777777 4 77 Should open the top cover while installing then penetrate M4 regular screw or the bolt downwards The Crossing Hole Position Of Installation With Brackets 6 www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com Cannula Using for Model 4m 8m ultrasonic level meter when installing at a flange or in a tube the cannula must be fixed on the sensor A screw thread is in the cannula it can fix on the sensor directly 83 58 143 as G2 AS59614 56 654 2309 HLN4 HLN6 HLN8 163 9 1 5 www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com 238 2146 2285 HLN15 HLN15 HLN20 HLN30 HLN40 www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com INSTRUMENT OF WORKING STATION AND OPRATION Display Modes 4 digit LCD liquid crystal display Buttons There are 4 keys on the instrument the function as follows SEL For choosing different display content or parameter INC When setting up the paramet
6. ULTRASONIC LEVEL METER HLN SERIES MANUAL 3 WIRE STANDARD www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com 5 ee 1 Applications Location Hs Features eee eee 1 Model 1 Make Up amp The Structure ccc es 2 Whole Structure 99 RENEE 2 The Panel of Electronic Unit 3 Terminal Block Diagram 3 Technological Principles EDEN NE 4 Technical Specifications rentene 5 The Crossing Hole Structure of Installation With Brackets 6 The External Dimension of Level Meter 7 Working State And Operating ED celia 9 Display Modes 9 eh Working State And Setting Up The Parameter 9 lnsfrument 12 Instruments Installing 13 installation Demang s rs rvest A dU FE 13 Wiring HM HH HH 17 Work After Electrifying EI bo 18 Airproof Instrument nmm mmn 18 Dealing With Troubles dee uos 19 www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com SUMMARY Use Measurement for the liquid location or the material location Applicat
7. asonicscn com TECHNOLOGICAL PRINCIPLE The level meter is composed with the designed in the integrative ultrasonic wave sensor and electronic unit The level meter installs on the top of the container under the control of the electronic unit the sensor launches a bunch of ultrasonic pulses to the things of tested Sound wave is reflected by object surface parts of reflected return waves echo are received and change into the electric signal The time of launching ultrasonic wave to receiving it again is direct ratio to the distance of sensor to the things of tested The electronic unit measures the time and calculate out the distance examined according to the known velocity of sound Then draw the location value of things through subtraction operation Symbol In The Picture B Blanking Distance d Empty Distance h Thing Location H Installation Height The Sketch Map of Measuring The Thing location Ultrasonic wave spread speed among gas is influenced by gas temperature When level meter works it measures gas temperature needing compensates for the velocity of sound so as to ensure the precision of measuring While level meter launches the ultrasonic pulse it can t measure the return waves at the same time So one short distance downword from sensor is blanking distance If the supreme thing location examined enters the blanking distance the instrument can t measure correctly then error If needing we can count the level mete
8. ave this parameter Or press SEL and MOV keys at the same time and withdraw the parameter setting The instrument to store this parameter Pressing SEL and MOV keys at the same time can withdraw from the state of the parameter setting up and store the parameters 11 www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com 6218 521 a SEL Mov Press SEL and MOV keys at the same time enter state of the setting up parameters digit of a parameter Ennn UUU oo 5 L Press SEL key to store the previrous parameters and enter next Instrument checkout Instrument function can be checked up by aimming at surface of wall But we should notice that inorder to improv stability of measureing in the instrument an inspect window is set its collectivity extent is I meter m if the bacewave out of the measuring judgment course So the measuring distance can t change fast over 0 5m s otherwise instrument need time about 5s to adjust For the break from farness to near sometimes instrument will make mistake But in fact eee Press MOV choose a certain Press INC to change the value m bc iB L V8 bh e e Press SEL and MOV keys at the same time withdraw from the state of the parameter setting up window range instrument needs a quickly changing of the dishtance is usually
9. er B B B B B H B H E HB H H B H H E B E HB B H E B EH H B H B B EH HB B H EH B B HX FOR OE FOROR OE BOB E BOE HOS OS HO 3 uy 3 oU uo Electronic Unit Electronic Launch Surface Launch Surface _ a uu m u uH HH 4 HH 4 4 4 4 4 4 4 A 4 4 4 4 4 4 4 4 4 8 5 amp 5 amp oE EE ERROR OR ORERBRAR 44444 4 4 d 4 d 4 4 4 4 4 d d 4 d 4 d 4 4 4 4 4 4 4 4 4d 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 HLN4 HLN6 HLN8 HLN12 om o 8 o4 Mo Bo Bo o o4 4 OR OA 90 o4 Bo Bo BOR 9 o4 o Ro 4 o o9 Ro 5 Electronic Unit Flange Sensor Launch Surface BOT MORBO tr tr BOT OS BOY mr OS BOT tr BOT OS BOW BOPOS BOY mr tr OB POS BOT S OP 3 tr tr mr tr HLN15 HLN20 HLN30 www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com The Panel of The Electronic Unit The Restoration key The Indicator Lamp Display Window Button Terminal The Board of Hiding Line Terminal Block Diagram CONNECTED DC4 20mA DC24v OUTPUT INPUT www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultr
10. er input a certain digit figure from 0 to 9 circulation change MOV Choose a certain digit while setting up the parameter When choosing this digit this digit becomes dark later pressed INC key and revised its value R Press this key the instrument is restored Working State And Setting Up The Parameter The instrument has two kinds of working state Measure state amp State of setting up the parameter Pressing SEL MOV key at the same time can be switched around Measure State Measure state instrument can make the thing location value empty from value temperature value shown by turns Press SEL key to choose Give demonstration as follows please pay attention to marking symbols Thing Location Value 4 Empty From Value Temperature Value www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com No matter what kinds of number value it will be shown the current outputting of instrument is always the corresponding thing location value There is one getting green indicator lamp in the top of the instrument panel once one second indicate that having echo to be admitted arriving at he unit of the thing location value and the empty from value is meter m the unit of temperature is degrees Centigrade Pressing SEL and MOV keys at the same time instrument can enter the state of the setting up parameters The level meter shown
11. ions It can guarantee the ultrasonic wave to traval to the occasion of measured liquid or material surface effectively For instance Store pot material trough pond well ditch measuring case granary material storehouse etc Features Integrated design installed conveniently 3 wire transmitter standard guarantee that the powerful sound wave is launched that measurement is steady and reliable Protected in the excessive voltage and current protected in the thunder and lightning The big show window of LCD or LED is easy to debug and observe Intellectual signal treatment technology guarantee that the instrument meets various kinds of operating occasion All plastic outer cover IP67 airproof and alkali resisting meet the abominable environment Flexible support or flange are used to install Measuring Range LIQUID LEVEL 4m 6m 8m 12m 15m 20m 30m SOLID LEVEL 3m 5m 7m 10m 15m When using to measuring solid level the most energy of ultrasonic 18 absorbed or scattered by solid level so the back wave is very little the valid measuring range of solid level is about 50 of liquid level And the valid measuring range of solid level 1s determined by the installing location and ang 1 www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com MAKE UP amp THE STRUCTURE Whole Structure There are three kinds of forms in level met
12. ltrasonicscn com For HLN15 HLN20 HLN30 when they are installed at the flange on the container at the thicker floor slab hatch At raise adge of the container pool stomata it needs that the highness or the thickness should less than the length of the sensor Showing as follows Right install mode _ Sensor should put out SL the front of the sensor should place at the tube Wrong install mode Simple method to deal whit Use soft plastic package the sensor outside until out of the tube needn t very order Standard disposal method 1 shorten the nozzle 2 Lengthen the sensor If exist that the liquid fluctuate great or having floaters having objects that stops the sound wave etc can insert a plastic tube to the container make the sound wave spread in the plastic tube only it is reliable to guarantee measurement steadily demand the inner diameter of the plastic tube bigger than the outer diameter of the sensor inboard wall 15 www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com Join the plastic tube to install position and angle when level off measuring measure material location must be smooth equal straight and no seam The plastic tube should be straight one hole should be open in top and bottom so as to ensure that it is the same to be in charge of the internal and external level Simultanei
13. r and increase to install www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info Qultrasonicscn com TECHNOLOGICAL SPECIFICATION Measuring Range MODEL HLN4 HLN6 HLNI2 5 HLN20 HLN30 ou 1200m 1500m 20 00m 30 00m Blanking Distance HLN4 HLN6 HLN8 HLN12 HLN15 HLN20 HLN30 Accuracy 0 2 Full Span In air Resolution Ratio Shown HLN4 HLN6 HLN8 HLN12 HLN15 HLN20 HLN30 1mm 1mm 1mm icm 1cm 1cm 1cm Mode of Indication 4 Digit LCD Output Current 4 20mA Output Load 0 5000Q Output Resolution Ratio 0 03 full span Parameter Set Up 3 induction buttons Temperature Range 40 C 80 C Temperature Compensation The whole range is automatic Pressure Range 0 1MP press definitely Power Supply DC24V 10 Cable Diameter 06 0 12mm Single Wire Diameter 0 5 01 78mm Cable Fix PG13 5 Beam Angle Beam Angle 8 3db Measuring Range fm 8m 5 3db Measuring Rang 12m 15m 20m 30m 5 www ultrasonicscn com 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info Qultrasonicscn com Measure Cycle I second Crust Material ABS Sensor Material Protect Grade IP67 Mode Installation Flange or the support Flange Standard of Butt Joint Measuring range 4m 6m 8m Minimum DN65 Measuring range 12m Minimum DN80 Measuring range 15m Minimum D
14. the shielding for the level meter measurement value There are objects which stops the ultrasonic Change the installation site or join a plastic tube wave Use the plastic flange ring instead Have compounded the metal flange ring to sensor Use the rubber cushion to isolate from metal Touching with the metal on the sensor s launch surface or side face The measure value has a the Installation height setting up has deviation Set up again small deviation all the There is a deviation all the time in distance The velocity of sound of gas changes contact with time measurement producer 19 www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com
15. thing location value first after started restored or exit of parameter setting up Jb9c 2586 4 i D o 0 e 66 The thing location value The empty from value The temperature value Press SEL key to choose display make the thing location value empty from value temperature value shown by turns Leave off the key quickly after pressdown instrument can showing by turns Alone press INC MOV keys is invalidate Pressing SEL and MOV keys at the same time instrument can enter the state of the setting up parameters www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com State of Setting Up The Parameter In this state the instrument shows various kinds of parameters needing users to set up Press SEL key to choose The content and sign give a demonstration as follows Display Mode be 18 Installation Height L Measuring Range Inside password Installation Height The distance from launch surface of the sensor to the container bottom Measuring Range The maximum of the examined thing location output the current of 20mA correspondingly Inside password After inputting correct value the instrument enters the state of the inside working parameter setting up Users needn t set up the numerical value please don t enter the state of the inside working parameter setting Should press SEL key and le
16. ty for Measuring range 4m 8m level meter a Cannula must be used outside of the sensor ll Launch surface of the level meter sensor should point to the liquid surface or the material surface vertically should aim at goal as much as possible when installing When install to the cold area Should choose the lengthen sensor of the level meter make the sensor ext end into the container lengthen sensor to shun frost and icing B Should guarantee the level not to enter the blanking distance at the time of installation It can increase installation height 1f need When increase installation height require that the inner wall of nozzle should be smooth its inner diameter should smaller than container flange s inner diameter www ultrasonicscn com Tel 86 631 5302090 Fax 86 631 5780383 Longrun Industrial instrument Co Ltd E mail amp Msn info ultrasonicscn com When the flange type installed it should be a plastic material flange compounded for the sensor Wiring Need to take off the hiding line board at the time of wiring and emerges the whole terminal block Wiring use one word screwdriver as following picture Push upward after inserting close To keep it beautiful we should make the cable in order and the hide line board covered after finish the state of the parameter setting up because the cover is plastic material so should make that four bolts keeping balance and strict be assure the cover transm

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