Limaco ULM-31-HF Operation And Installation Manual Download

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OPERATION AND INSTALLATION MANUAL

RADAR NON-CONTACT LEVEL TRANSMITTERS

ULM-31-HF, ULM-31-HF-F, ULM-31А1,

ULM-31А1-HF, ULM-31А1-HF-F,

ULM-31А1-HF-F-LC.

Summary of Contents for ULM-31-HF

Page 1: ...OPERATION AND INSTALLATION MANUAL RADAR NON CONTACT LEVEL TRANSMITTERS ULM 31 HF ULM 31 HF F ULM 31А1 ULM 31А1 HF ULM 31А1 HF F ULM 31А1 HF F LC ...

Page 2: ...mental Safety 8 3 Product Description 3 1 Level Transmitter Scope of Supply 9 3 2 Product Design 10 3 3 Product Identification 12 3 4 Operating Principle 14 3 5 Packaging Transportation and Storage 16 4 Installation 4 1 Selection of Installation Position 17 4 2 General Requirements for Installation on Mounting Pipe Branch 23 4 3 Mounting Branch Pipes 24 4 4 Measuring Beam Zone of Action 25 4 5 Dea...

Page 3: ... interface RS 485 44 6 3 Setup of Device Basic Parameters using PC via RS 485 47 6 4 Current Output 4 20 mA Setup of Emergency Signals 52 6 5 Setup of On Off Signals 54 6 6 Bluetooth 56 7 Information on Device Operation 7 1 Device Diagnostics 57 7 2 Output Signal Emulation 59 7 3 Snapshots 59 8 Trouble Shooting 60 9 Maintenance 64 10 Dismantling 10 1 Dismantling Procedure 65 10 2 Disposal 65 11 Re...

Page 4: ...ube with insulating spacer 77 12 9 Mounting of ULM 31 HF F ULM 31А1 HF F ULM 31А1 HF F LC level transmitters at the stub tube with insulating spacer 78 12 10 Mounting of ULM 31А1 ULM 31 HF F ULM 31А1 HF F ULM 31А1 HF F LC level transmitters at the stub tube with insulating spacer with the use of clamping flange 79 12 11 Mounting of ULM 31 HF ULM 31А1 HF level transmitters at the stub tube with ins...

Page 5: ...in 1 2 Target Group This Operation Manual is intended for the trained personnel carrying out the level transmitter installation commissioning diagnostics and servicing The personnel shall know and observe the instructions set forth herein 1 3 Symbolic Notations Symbol Meaning Failure to observe the instruction may make the de vice inoperative or result in its incorrect operation Failure to observe...

Page 6: ...s The level transmitters are used for measuring the level in the closed and open tanks and suit for metering a wide range of products such as acids alkalies water solutions food products cement coal etc Unintended use of device can result in the emer gency situation at the production facility put the device out of operation and can be the potential hazard source Specification of all models of leve...

Page 7: ...d and bulk pro ducts Techno logical control liquid and bulk products High preci sion ac count ting liq uid and bulk products High preci sion ac count ting liquid pro ducts Tech nologi cal con trol liqu id pro ducts Techno logical control liquid products Techno logical control liquid products Technolo gical con trol liquid products Connection type Flange not less than DN100 Flange not less than DN8...

Page 8: ...irements and standards Depending on the version the working emission frequency of the level transmitters makes approximately 24 GHz for ULM 31А1 and 125 5 GHz for ULM 31 HF ULM 31 HF F ULM 31А1 HF ULM 31А1 HF F and ULM 31А1 HF F LC The emission power does not exceed 8 mW which is significantly lower than than the threshold limit values The level transmitter is completely safe for the human and the...

Page 9: ...ion on electronic medium can be supplied in the amount of 1 pc for the whole order complete set according to specification The auxiliary equipment that may be included in the order specification The upper level software Limaco OPC Server OPC Client Reservoir Viewer measuring system visualization power supply interface RS 485 converters interface HART converters configurator s control panel PL 01 s...

Page 10: ... 000RE_10_08_20 3 2 Product Design Fig 3 1 Basic elements appearance and location for the level transmitters ULM 31 HF ULM 31А1 HF Fig 3 2 Basic elements appearance and location for the level transmitter ULM 31А1 ...

Page 11: ...for the level transmitters for the level transmitters ULM 31 HF F ULM 31А1 HF F and ULM 31А1 HF F LC Aluminium case Fig 3 4 Basic elements appearance and location for the level transmitters for the level transmitters ULM 31 HF F ULM 31А1 HF F and ULM 31А1 HF F LC Plastic case ...

Page 12: ... plate according to the attached device certificate by the request to the manufacturer with specification of the level transmitter serial numbers The level transmitter common type identifying plate includes the following data for the device identification and use manufacturer s logo device type serial number year of manufacture conformance mark protection rating IP environment permissible temperat...

Page 13: ...mmon type nameplate ULM 31 HF Fig 3 7 Common type nameplate ULM 31A1 Fig 3 8 Common type identifying plate ULM 31A1 HF Fig 3 9 Common type identifying plate ULM 31A1 HF F Fig 3 10 Common type identifying plate ULM 31A1 HF F LC Fig 3 11 Common type identifying plate ULM 31 HF F ...

Page 14: ...l is carried out by the formu la L H U where H is the installation height The reference plane of the level transmitter measuring range is the antenna shield lower surface Fig 3 12 Level Transmitter on Tank The radar level transmitter antenna sends out the radio signal and receives the echo signal reflected from the product surface Using the software hardware system the electronic unit processes th...

Page 15: ...uired for the radio wave to travel the distance from antenna to the re flecting surface and back Td 2 L s where s the light speed As far as the veloci ty of radio wave propagation is constant so knowing the time delay it is possible to determine the traveled distance Fig 3 6 shows that during the timeTd the fre quency of direct signal will increase by F During mixing direct and reflected sig nals ...

Page 16: ...n shall be carried out in the original package After trans portation the device shall be inspected for available transport damages and com pleteness of set In case of detecting any transport damages or incompleteness of set all revealed defects are documented in the established order Prior to installation the devices shall be stored in the original closed packages During storage the following cond...

Page 17: ...red to to install the device in such way that in the measurement zone there are no sub jects and structures making interferences to the radio wave beam propagation pipes valves stirrers tank walls etc For details see para4 4 Fig 4 1 Device Installation on Tank Structural Elements the device should not be installed in such way that the stream of the product filling up the tank makes in the beam act...

Page 18: ...product discharge from the tank the swirl can be formed on the product surface This shall be considered when selecting the device location The level transmitter shall be installed above the location with the smoothest product surface Fig 4 3 Device Installation on Tank Product Discharge ...

Page 19: ... Fig 4 4 Device Installation on Hopper with Cone Shaped Bottom In case such way of installation is impossible it is necessary to direct the device measuring beam to the hopper center which is achieved by inclining the mounting pipe branch flange plane The required inclination angle depends on installation position and the hopper dimensions The inclination angle can be checked using the inclination...

Page 20: ...position are given in the following Table Installation height H m 2 4 6 8 10 2 0 1 0 1 0 2 0 3 0 4 4 0 1 0 3 0 4 0 6 0 7 6 0 2 0 4 0 6 0 8 1 1 8 0 3 0 6 0 8 1 1 1 4 10 0 3 0 7 1 1 1 4 1 8 15 0 5 1 0 1 6 2 1 2 6 20 0 7 1 4 2 1 2 8 3 5 25 0 9 1 7 2 6 3 5 4 4 30 1 0 2 1 3 2 4 2 5 3 35 1 2 2 4 3 7 4 9 6 2 40 1 4 2 8 4 2 5 6 7 1 45 1 6 3 1 4 7 6 3 7 9 50 1 7 3 5 5 3 7 0 8 8 ...

Page 21: ...ransparent sealing gasket should be used during the device instal lation on the tank with high ambient temperature see paras 12 5 12 6 the radio transparent sealing gasket should be used during the level transmitter in stallation on the tank with excessive pressure or vacuum see paras 12 5 12 6 In case the device is used on the tank where it is impossible to maintain the installa tion conditions o...

Page 22: ...nce from the wall shall be the longest possible In case of using the device on the tanks made of non conductive material for ex ample plastics it should be taken into consideration that the structures outside the tank may hit in the measuring beam Therefore during installation the installation position should be selected with account of this fact NOTE ...

Page 23: ...LM 0 01 000RE_10_08_20 Fig 4 8 Device Installation Tank Made of Non Conductive Material 4 2 General Requirements for Installation on Mounting Pipe Branch Fig 4 9 Device Installation on Mounting Pipe Branch ...

Page 24: ...e branches the pipe branch height with account of the roof thickness in conjunction with the inner structures adjacent to the roof stiffening ribs etc shall not exceed the one calculated by the formulas given in para 4 3 where the dimension of the rectangle narrow side is put down instead of the pipe branch diameter 4 3 Mounting Pipe Branches The requirements for the pipe branch are based on the t...

Page 25: ...s radiated in the beam determined by the directional pat tern Level transmitter model ULM 31 HF ULM 31А1 ULM 31А1 HF ULM 31А1 HF F ULM 31 HF F ULM 31А1 HF F LC Width of measur ing beam deg 2 9 2 4 5 The beam diameter W is determined based on the function from the width of the measuring beam and the measured distance L according to the formula 2 tan 2 L W For calculation of the measuring beam zone ...

Page 26: ...e dis tance with low precision and the discontinuities of reading are possible The distant region of the dead zone the measurements are stable there but the device certif icate precision level is not achieved The distance of the dead zone regions de pends on the product reflecting capacity and the available tank structures hit by the sensor beam The dead zone does not exceed 600 mm provided that t...

Page 27: ... on Variant В Variants C Е show the installation errors which should be paid attention to Variant C the roof edge under the pipe branch extends inside the pipe branch Be sides the opening in the roof is smaller than the minimum permissible one Variant D the pipe branch lower edge is embedded in relation to the roof due to which the pipe branch length is longer the permissible one Variant Е the lev...

Page 28: ...28 ULM 0 01 000RE_10_08_20 Fig 4 12 Examples of Installation ...

Page 29: ...er shall be selected so that there are no obstacles on the radio signal propagation way If it is impossible to meet this condition due to the tank design features you should address the manufacturer s technical support desk The impact of the design features can be reduced by using the inclined reflectors which dissipate the radio signal The reflectors can be made of sheet metal Fig 4 13 Example of...

Page 30: ...ng the level transmitter at the mounting position with the connected cable but with loose cable gland leaving the unused cable lead ins not capped certified protective cap must be in stalled therein 5 2 Connection cable To connect the 4 20 mA analog output use a standard pair of conductors in a sepa rate shield To connect the RS 485 digital interface it is necessary to use a pair of conductors in ...

Page 31: ...water or condensate running off Fig 5 1 Cable laying recommendation 5 3 Shielding and grounding It is recommended to connect a cable shield to earth potential on one side Use grounding terminal on the output signal receiver side The device must be grounded There is external grounding terminal on the device casing which is connected to tank grounding Fig 5 2 Grounding terminal NOTE ...

Page 32: ...rter 3 RS 485 line shield earth connection on the converter side 4 Control unit for example PLC 5 HART modem connection socket 6 HART digital line shield 7 Analog display unit 8 24V power supply 9 Relay indication unit light indication arrangement example 10 MicroSD memory card socket 11 Switch RS 485 line matching load RA B 120Ω 12 Modbus address switch 13 Backup program switch reset to factory s...

Page 33: ...nection of the interface lines 4 Control unit for example PLC 5 HART modem connection socket 7 Analog display unit 8 24V power supply 9 Relay indication unit light indication arrangement example 10 MicroSD memory card socket 11 Switch RS 485 line matching load RA B 120Ω 12 Modbus address switch 13 Backup program switch reset to factory settings 14 Selector of the used interface HART or Modbus ...

Page 34: ...the interface lines 7 Control unit for example PLC 8 Connection to the field bus inter face module1 9 HART modem connection socket 11 Analog display unit 12 24V power supply 13 Relay indication unit light indica tion arrangement example 14 MicroSD memory card socket 15 Backup program switch reset to factory settings 16 Selector of the used interface HART or Modbus 17 field bus switch 18 Modbus add...

Page 35: ... radar level transmitter is equipped with the special antenna and provides the reliable measurement of liquids even in case of in stallation in the high and small diameter stub tubes Such solutions can be of inter est for example in the case of level measurement in the buried drain tanks Fig 5 6 Connection of the ULM 31A1 HF F LC modification level transmitter Option 1 1 Backup program switch rese...

Page 36: ...ption 2 1 PC connection 2 RS 485 USB converter 3 6 12 shield connection of the interface lines 4 Control unit for example PLC 5 HART modem connection socket 7 Analog display unit 8 24V power supply 9 Switch RS 485 line matching load RA B 120Ω 10 MicroSD memory card socket 11 Backup program switch reset to factory settings 12 Selector of the used interface HART or Modbus ...

Page 37: ... 1 Power supply 2 Loop resistance 3 4 Wire shield connection 5 Loop current 6 ON factory setting 7 ON additional firmware of communicating processor is loading otherwise basic firmware is loading 8 ON additional firmware of calculating processor is loading otherwise basic firmware is loading ...

Page 38: ...wer must be of at least ИП I ИП U ИП P Fig 5 9 Level transmitter to power supply connection diagram In case of long power supply line voltage drop in the supply leads should be taken into account Maximum permissible length in meters of the feeder cable is calcu lated according to following formula 20 24 95 ип U кд S кд l where кд S is single power wire cross section in mm2 and ип U is power supply...

Page 39: ...571m 1 380m 476m 571m 666m 761m When external cable diameter exceeds maximum value permissible for the level transmitter cable gland the use is required of terminal box connecting the level transmitter feeder cable of permissible cross section and greater cross section cable mains cable Such connection diagram is shown in Fig 5 10 Fig 5 10 Level transmitter to power supply connection diagram with ...

Page 40: ...ny other suitable tool for wire stripping when using multiconductor wire the use of terminal lugs is recommended Pre connection 1 Install required number of cable glands in the device casing When using two cable glands unscrew the cap with 6mm screwdriver and install second cable gland into this position 2 Remove the technological cap from the factory installed cable gland Fig 5 11 Second cable gl...

Page 41: ... following instructions on device nameplate Tighten screw terminals with 3mm screwdriver Incorrect connection can result in device failure Fig 5 12 Level transmitter connection 7 Slightly pull wires in order to check whether these are securely fixed in the terminal block contacts 8 Adjust cable length as necessary for connecting to terminals and tighten cable gland nut securely Sealing ring must f...

Page 42: ...o conduct the completed work quality inspection with regard to the following items if there are any cable damages if there are any mechanical stresses due to the cable tension cable glands are properly installed tightened and sealed device casing cover is installed and tightened ...

Page 43: ... is set in binary representation with the use of 8 bit DIP switch located inside device next to the nameplate inscription Transmitter Address Address is generated as a sum of numbers indicated on nameplate next to the switch bits set to 1 In the modification of level transmitter ULM 31A1 HF LC Modbus address is as signed via the Configurator software if there is a hardware implementation of the RS...

Page 44: ...ontrolled with PLC programmable logical controller The A and B terminals at the level transmitter terminal block are intended for the RS 485 line connecting if there is a hardware implementation of the RS 485 inter face Unique Modbus address is assigned to each level transmitter This address is set by means of 8 bit DIP switch or defined by the internal device software when address is set to 0 USB...

Page 45: ...matic conditions Total line length can reach several kilometers Fig 6 4 Classic RS 485 line laying method Classic line laying method diagram complying with the general requirements of the RS 485 standard designed for the high speed data transmission in the industrial in terference environment is shown in Fig 6 4 In case of extended line length it is recommended to install tracking resistors 120 Ω ...

Page 46: ... choose the suitable laying option based on cable laying ease and length minimization con siderations Generally such type line construction does not require installation of tracking resistors In the long and branched lines few communication errors could occur These com munication errors do not cause the unreliable level data acquisition since the Mod bus data communications protocol used in level ...

Page 47: ...e level transmitter performance diagnostics level transmitter configuration loading from file debugging information signal snapshots disk write and view level transmitter software updating level transmitter register access The program does not require installation just copy the ULMCFG EXE file to the preliminary created folder on the hard disk For the program details see document Configurator User...

Page 48: ...ction to level transmitter with the address 42 2 The click on the Search key starts the automatic querying the level trans mitters with generation of addresses from 1 to that indicated in the Search to Mod bus No field Window shown in Fig 6 8 will appear The software adds the found devices in list The search is stopped after querying all the ModBus numbers unless Loop search checkbox is flagged In...

Page 49: ...4 5 When this parameter value is entered press Enter Minimum distance meas ured next line on panel will be calculated automatically this is the left near boundary of echo signal search area N0 is spectral ratio number from which level transmitter starts identification of valid signal Maximum distance displayed is the upper limit of device operation range It is generally selected equal to the level...

Page 50: ...in millimeters The H value is used for the vessel filling level calculation see Fig 3 9 4mA current corresponds to the level distance mm It sets minimum current 4mA correspondence to product level in vessel distance to the product 20mA current corresponds to the level distance mm It sets maximum cur rent 20mA correspondence to product level in vessel distance to the product Signal processing is th...

Page 51: ...arameter determining device dynamic behavior it is set depending on the maximum vessel level change rate Excessive decreasing the Readings settling time parameter improves dynamic be havior but extends readings dispersion and impairs level transmitter performance in case of disturbances on the product surface in vessel for example at product boiling or vessel top filling Pipe diameter setting used...

Page 52: ...bit in the status register For more details of the status register see Section 7 Four columns off at 16 check boxes are located in the left part of window these form the masks for the status register and alarm current signals generation When the check box is selected corresponding bit of mask is set to 1 marked parameter will be taken into account when the check box is deselected the bit is set to...

Page 53: ...20 Fig 6 13 Setting alarm current signals Example in Fig 6 13 shows that the current output delivers as follows 21mA at internal diagnostics of measuring section 3 mA when the level transmitter internal temperature is exceeded ...

Page 54: ...maximum levels distances and hysteresis in mil limeters Hysteresis is required for elimination of unnecessary relay tripping chat ter For example 10mm hysteresis means that upon reaching the control level re lay is closed and is not open until level changes back by 10mm Therefore readings dispersion of 10mm about the maximum level due to the surface disturbance at fill ing discharge will not resul...

Page 55: ...tatus one or more situations occurred Status masks for both relay channels are located on panel on the right their setting is similar to that of alarm current signal masks In case that one or both threshold level condi tions are selected in addition to the measurement status status criterion is combined with threshold one by means of AND OR similarly to that described above for the first and secon...

Page 56: ...ing to the greatest possible extent and execution of prompt device set ting data readout and modification of existing production processes with the use of device based on the Android operating system LIMACO continuously improves the ULM level transmitter software en hances measuring capabilities of our equipment and adapts it for new tasks of the automated control and accounting in the enterprise ...

Page 57: ... displayed in black font data falling beyond the permissible criteria or recommended conditions are displayed in red gray lines are those not available for input since particular transmitter modification hardware or software does not allow control of corresponding parameter Fig 7 1 Diagnostics tab appearance Transmitter panel displays as follows transmitter serial number Modbus address firmware in...

Page 58: ...in degrees and permissible devia tion status bit 6 When permissible deviation is exceeded transmitter leveling is required with water level Status panel For more details see Configurator User s Guide The Communications panel allows estimation of communication line state As long as Diagnostics tab is active continuous data exchange with transmitter oc curs Value in Data exchanges field must be cont...

Page 59: ...st also change in accordance with data in this panel In order to cancel emulation mode click on the EMUL key once again transmit ter returns in normal mode in 4 seconds 7 3 Snapshots So called Snapshots provide most complete information on device operation Snapshots are files with extension FOT containing the signal records and addi tional data received from transmitter These contain comprehensive...

Page 60: ...gnals exist check supply voltage The use of PC with Configurator software provides most comprehensive meas urement troubleshooting facilities In most cases this allows failure cause identification and measurement problem resolution Device performance diagnostics via the Bluetooth link is also available Level transmitter troubleshooting operations are summarized in the table below Failure Cause Rem...

Page 61: ...with liquid products Correct by device leveling unreliable temperature or tilt angle measurement Related channels in the device elec tronic module are faulty Further op eration is allowed subject to over heat prevention Otherwise return device for repair unstable readings due to product surface disturbance unstable surface Indicative parameter further opera tion is allowed transient conditions the...

Page 62: ... nical support address 4 20mA signal is not con sistent with actual value of controlled pa rameter Level transmitter electronic unit failure Check current signal functioning by means of emulation para 7 2 In case of inconsistence return device for repair 4 20mA signal is not con sistent with actual value of controlled pa rameter with properly oper ating electron ic unit Incorrect initial settings ...

Page 63: ...n the PC operating system Device Manager set converter as required Transmitter Modbus ad dress is incorrectly set or there are multiple transmit ters with the same address in line Set different Modbus addresses for transmitters in line indicate correct transmitter number at the search in the Configurator software see para 6 1 COM port is used by other application Check whether there are any appli ...

Page 64: ...uire the special maintenance Depending on the oper ating conditions periodic cleaning of antenna screen surface may only be required Do not use cleaning agents which may be potentially corrosive for body materials seals caps and cable glands for level transmitter cleaning ...

Page 65: ...rcise particular caution when working at heights and at vessels containing corrosive or toxic products The procedure for dismantling is the reverse of the procedure described in pa ra 5 6 Device connection procedure 10 2 Disposal Device casing is recyclable Device can be disposed at the dedicated facilities Disposal prevents adverse environmental impact and allows materials to be reused ...

Page 66: ...ffices When equipment return to manufacturer for repair is required please send official letter to the following e mail in limaco ru Clean device from contaminations pack it in the container ensuring its undamaged condition during transportation and send to the address indicated at the website www limaco ru in Contacts section ...

Page 67: ...mechanical connection Flange min diameter mm HF 80 HF F 50 Output signals Analog 4 20mA Active Alarm signals 3 mA 4 mA 21 mA settable Load 600 Ω max Error within the temperature range 40 C to 50 C 0 25 of measurement range Digital HART version 7 0 RS 4851 Modbus RTU Discrimination capacity 0 1 mm Wireless Bluetooth Version 3 0 Version 4 0 Relay outputs2 Number of channels 2 Maximum switching curre...

Page 68: ...9 ULM 31А1 Operating conditions Ambient temperature at the transmitter installation location 40 C to 50 C At transmitter flange temperature above 50 C Radio transparent insulating spacer in stallation is required see para 12 5 Atmospheric pressure 84 0 kPa to 106 7 kPa 630 800 mmHg Relative humidity at the transmitter in stallation location Not more than 95 at 35ºC and below without condensation P...

Page 69: ...le gland Option 1 cable gland М20х1 5 round cross section cable dia 8 to 13mm 1 piece cap М20х1 5 1 piece Option 2 cable gland М20х1 5 round cross section cable dia 8 to 13mm 2 pcs Screw terminals for the electric connec tion of wires with cross section 2 5 mm max AWG 14 Permits and certificates Please download these documents at www limaco ru ...

Page 70: ...Analog output 4 20mA Total load Not more than 300 ohm Error in temperature range 40 50 C Not more 0 25 of measuring range Digital output It s used HART modem for configura tion Resolution 0 1 mm Working specifications Absolute error 5 mm Measuring range 0 6 15 m Recommended application Measuring of liquids Measuring range with reduced precision 0 3 0 6 m Operating principle Radar for measuring lev...

Page 71: ... seal Mechanical stresses vibration with amplitude frequency Not more than 0 1 mm 5 25Hz Maximal inclination of vertical axis of levelmeter 2 degree Protecting Protecting from penetrating of moisture and dust IP65 Kind of body General industrial not explosion proof Power Power supply 24 36V DC Connection type 2 wire Maximal power consumption 0 8 W Electro mechanical data Cable glands Option 1 1 ca...

Page 72: ...72 ULM 0 01 000RE_10_08_20 12 3 Mounting dimensions of level transmitter without mounting flange 12 4 Level transmitter connection to mounting flange ULM 31А1 4 holes M6x8 12 Screw M6x10 DIN 912 4 pcs ...

Page 73: ...73 ULM 0 01 000RE_10_08_20 ULM 31 HF ULM 31А1 HF ULM 31 HF F ULM 31А1 HF F and ULM 31А1 HF F LC Screw M6x10 DIN 912 4 pcs Screw M6x10 DIN 912 4 pcs ...

Page 74: ...74 ULM 0 01 000RE_10_08_20 12 5 Mounting of ULM 31А1 level transmitter at the stub tube ...

Page 75: ...75 ULM 0 01 000RE_10_08_20 12 6 Mounting of ULM 31 HF F ULM 31А1 HF F ULM 31А1 HF F LC level transmitters at the stub tube ...

Page 76: ...76 ULM 0 01 000RE_10_08_20 12 7 Mounting of ULM 31 HF ULM 31А1 HF level transmitters at the stub tube ...

Page 77: ...77 ULM 0 01 000RE_10_08_20 12 8 Mounting of ULM 31А1 level transmitter at the stub tube with insulating spacer ...

Page 78: ...78 ULM 0 01 000RE_10_08_20 12 9 Mounting of ULM 31 HF F ULM 31А1 HF F ULM 31А1 HF F LC level transmitters at the stub tube with insulating spacer ...

Page 79: ...ting of ULM 31А1 ULM 31 HF F ULM 31А1 HF F ULM 31А1 HF F LC level transmitters at the stub tube with insulating spacer with the use of clamping flange 1 Level transmitter 2 Adapter flange 3 Insulating spacer 4 Clamping flange 5 Tank flange ...

Page 80: ... 11 Mounting of ULM 31 HF ULM 31А1 HF level transmitters at the stub tube with insulating spacer with the use of clamping flange 1 Level transmitter 2 Adapter flange 3 Spacer ring 4 Clamping flange 5 Insulating spacer 6 Tank flange ...

Page 81: ...1 000RE_10_08_20 12 12 Mounting of ULM 31 HF F ULM 31А1 HF F ULM 31А1 HF F LC level transmitters at the small diameter stub tube with the use of reducing piece 1 Level transmitter 2 Reducing adapter 3 Tank flange ...

Page 82: ...re ingress in space between level transmitter and insulating spacer which can result in meas urements failure sealing compound must be applied on the contact surface prior to transmitter attaching to flange as shown in figure or rubber gasket must be installed if included in the delivery package Contact plane ...

Page 83: ...83 ULM 0 01 000RE_10_08_20 12 14 Mounting flange ...

Page 84: ... transmitter structure 1 cable gland 9 over 2 cap 10 nut 3 rubber ring 11 screen 4 antenna assembly 12 Bluetooth cap 5 amplifier board 13 gasket 6 interface board 14 connection instruction plate 7 Bluetooth board 15 brand nameplate 8 casing ...

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