Toshiba LQ300A00 Series Operation Manual Download Page 1

Page: 1 / 110

Operation Manual

For

The Insertion Type Density Meter

Type LQ300A00******

Summary of Contents for LQ300A00 Series

Page 2: ......

Page 3: ...anscribe this manual in part or entirety without written permission from Toshiba 2 The manual is subject to change without notice 3 Although we tried hard to make this manual error free if you find any errors or unclear passages kindly let us know ...

Page 4: ...ains about installing adjusting calibrating and maintaining the LQ300A00 meter Carefully read this manual before using the meter for efficient and safe operation Always keep the manual in a place where you can easily access About Safety Precautions Carefully read the Safety Precautions that appear in the following pages before using the Meter The safety signs used in the Safety Precautions will ap...

Page 5: ...loss of eyesight wounds burns high or low temperature electric shock broken bones poisoning etc which leave after effects or which require hospitalization or a long period of outpatient treatment of cure Note 2 Minor or moderate injury refers to cases of burns electric shock etc which do not require hospitalization or a long period of outpatient treatment for cure equipment damage refers to cases ...

Page 6: ...he unit with hoisting bands tighten the bands so that the bands will not be loosened or slipped off Overturning or dropping can cause injuries or equipment failure DON T Do not operate where there is a possibility of leakage of flammable or explosive gas A fire or explosion can occur CAUTION DO Avoid installing the meter in any of the following places l Dusty place l Place where corrosive gases SO...

Page 7: ...r cabling Wiring or cabling without switching off the main power line can cause electric shock DO Use crimp terminals with insulation sleeves for power line and grounding wire terminals A disconnected cable or wire from the terminal or a loose terminal can cause electric shock or generate heat and cause a fire or equipment failure DO Wiring and cabling should be done as shown in the wiring and con...

Page 8: ...ck DON T Do not touch the terminal block during maintenance or inspection If it is necessary to touch the terminal block set the power switch on the equipment to the OFF position in advance Failure to observe this can cause electric shock DON T Do not attempt disassemble or modify the equipment Failure to observe this can cause electric shock or equipment failure DON T Do not touch the detector ma...

Page 9: ...manufactured under strict quality control but components might fail and if this product is likely to be applied to a system that concerns with human life or it is likely to be applied to a facility that may have serious effects please consider special efforts to make the system safe regarding the operation maintenance and management of the system Liability Exemptions Toshiba assumes liability exem...

Page 10: ...anation is made in the text regarding the Safety Precautions the NOTE sign shown below appears in the left margin of a page The NOTE gives you directions to follow in the following instances To use product correctly and effectively To prevent abnormal or degrading performance of the product To prevent faulty actions To store the product when you do not use the product for a long time Note ...

Page 11: ... or breakage can occur NOTE Lay the output signal cable through their own conduit away from the AC power cable and other sources of noise Noise can interrupt correct measurement NOTE Perform periodic maintenance and inspection A long period of reliable measurement requires periodic span calibration e g once every 3 months Avoid using the density meter where fluid substances accumulate or entangle ...

Page 12: ...an the meter so that no measured matter remains in its pipe Disposal NOTE When disposing of this density meter obey the rules and regulations of the local government FCC notice This equipment has been tested and found to comply with the limits for a field disturbance sensor pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference ...

Page 13: ... menu display and operating procedures 39 5 2 6 Measuring mode display and operating procedures 40 5 2 7 Reading of parameters display and operating procedures 40 5 2 8 Measured values display and operating procedures 44 5 2 9 Self diagnosis data display operating procedures 44 5 2 10 Parameter setting display and operating procedures 46 5 2 11 Zero calibration display and operating procedures 49 ...

Page 14: ...or automatic adjustment of phase angle rotations 77 9 3 5 Restrictions and invalidation in applying the automatic adjustment of phase angle rotations 78 9 3 6 Invalidation by setting the automatic adjustment of phase angle rotations 78 9 3 7 Actions after invalidating the automatic adjustment of phase angle rotations 79 9 3 8 Return to the normal through manual input of the phase angle rotations 8...

Page 15: ... External Signals 98 10 7 1 Density multiplier switching function by external signals 98 10 7 2 Setting the density multiplier switching by external signals 99 11 Specifications 100 11 1 General Specifications 100 11 2 Detector Specifications 101 11 3 Converter Specifications 102 11 4 Model Number Table 105 Appendix 107 Attached Figure 1 107 ...

Page 16: ...as adopted a new measuring method called Phase difference method by microwaves When microwaves go through a substance and comes out of it by measuring the phase lag of the waves we get a certain physical property of the substance that is proportional to the density The theory of density measurement based on the phase difference method is shown in Figure 1 1 The difference between the phase lagθ1 o...

Page 17: ...ut applying for permission registration and licenses and so on to use this density meter Compared with the conventional method this phase difference measurement method using microwaves in principle has the following features 1 Not easily affected by contamination and bubbles This method is measuring the variation of the transmission time but not for measuring the attenuation of the wave motion str...

Page 18: ... remote control through communications you are required to have the hand held terminal AF100 type type code AF100LQ3AAA3 which is a specialized terminal for communications Therefore please purchase one separately 2 2 Standard Accessories Table 2 1 Standard accessories Accessory Specifications Qty Fuse 1A M 250V cartridge glass tubular fuse 5 2mm outer dia x 20mm long 2 Operation manual The documen...

Page 19: ...installing the meter in any of the following places A fire or explosion can occur Dusty place Place where corrosive gases SO2 H2S etc or flammable gases may be generated Place exposed to vibration or shock above permissible levels Place exposed to condensation due to abrupt change in temperature Place too cold or hot for installation Place too humid for installation Near an apparatus that generate...

Page 20: ... case directly it may cause a scratch on the converter front panel Main unit mass approx 20 kg Recommended hoisting bands made of cloth applicable band size 25 mm Note This unit is heavy To move the unit or relocate it needs a qualified operator for handling a hand truck crane hoist or other In addition when hoisting the unit with hoisting bands tighten the bands so that the bands will not be loos...

Page 21: ...ing structure for the detector main body Weight of this unit is shown in the external dimension list as attached 6 When the density meter is used in an application where the process fluid contains plenty of fur or fiber these substances may accumulate or entangle in the density meter and thus perform the maintenance operation periodically clean the insertion probe area 7 The tank or pipe where thi...

Page 22: ...rection Flow direction Fluid to be measured Metal pipe or metal tank Metal pipe or metal tank Fluid to be measured Internal wall of tank or pipe Mounting flange surface 120mm or less Notes 1 The length when Toshiba recommendation flange is used Refer to 3H8A6579 and 3H8A6580 for details 2 The length when 1 above and Sch40 standard stainless steel pipe is used Diameter mm Length mm 300 347 350 346 ...

Page 23: ...the connection method and the fluid material to measure 9 Make sure that the surface for the O ring face and O ring itself are clean without dirt or dust before starting the installation work 10 We recommend the following tightening torque for bolts and nuts when mounting the flange for the density meter Tightening torque 10 0 to 13 5 N m for M8 bolts and nuts 11 Perform the periodical inspection ...

Page 24: ...here bubble are generated and density disturbances occur and this affects the density measurement NOTE Sampling valve Used to extract fluids for manual analysis Install this valve to the side of the pipe in the case of horizontal installation It is recommended that a 1 inch ball valve be installed to the side of the pipe Zero point water valve Used to supply drinking water density or consistency 0...

Page 25: ...eter Tightening torque 10 0 to 13 5 N m for M8 bolts and nuts NOTE Shutoff valve Shutoff valve Zero point water valve Vent valve Zero point water piping Density meter Drain valve Drain piping Bypass piping Shutoff valve Direction of flow upward Fig 3 3 2 Meter mounted vertically Vent valve Zero point water valve Shutoff valve Shutoff valve Density meter Drain valve Bypass piping Shutoff valve Samp...

Page 26: ...d in parallel with the direction of the flow M8 screw tightening torque 10 0 to 13 5N m Tighten the screws evenly Flow direction Fluid to be measured shows flow direction Density value display Section A Converter Make sure that the O ring groove and O ring itself are clean without dirt dust or cracks before installing the density meter Metal pipe or metal tank 56 6 1 5 A A 3 2 Section A expanded F...

Page 27: ...Wiring or cabling without switching off the main power line can cause electric shock DO Use crimp terminals with insulation sleeves for power line and grounding wire terminals A disconnected cable or wire from the terminal or a loose terminal can cause electric shock or generate heat and cause a fire or equipment failure DO Wiring and cabling should be done as shown in the wiring and connection di...

Page 28: ...t in conduit separated from those of AC power cable control signals alarm signal or other cables which could become the source of noise 6 Use a 2 wire shielded sheathed cable CVVS to wire the LQ300A00 output 4 20mAdc And ground the shielded cable on the receiving instrument side For performing the conductivity compensation use a 2 wire shielded sheathed cable CVVS to wire the LQ300A00 conductivity...

Page 29: ...2 DI3 A1 A2 A3 to A8 CW CW CWS CVVS Externalsync contactinput 24VDC 1A Densitymetererroror in maintenance contactoutput 125Vac 0 1A Voltageinputforselectionof densitymultiplier H 20 to 30VDC L 2VDC or less Input resistance Approx 3k ohms MeasuredDensityOutput 4 20mADC R 750ohmsinsulatedoutput ThegroundconnectionoftheshieldedwireofCVVS shouldbemadeonthesideofthereceivinginstrument Note Either the F...

Page 30: ...asures the temperature of the fluid to be measured fluid temperature flowing in the pipe where the density meter is installed 2 Applicators The applicators antenna for transmitting and receiving microwaves are built inside The applicator on the left in Fig 4 1 is for transmitting and the right is for receiving Always keep the lids closed and the screws of the lids secured 3 Converter See Section 4...

Page 31: ...Fig 4 1 with its door open Fig 4 2 Converter 10 Density indicator 4 in Fig 4 1 7 Setting keys 6 LCD display 4 MEASURE indicator 5 ALARM indicator 11 Terminals for communication 3 POWER indicator 2 FUSE 1A M 250V 1 POWER switch 8 Terminal block 12 Ground terminal 9 Cable glands ...

Page 32: ...anumeric characters and symbols in accordance with needs 7 Setting keys These keys are used for switching between display contents of the LCD indicator or setting various set values They include the ESC key the key the UP key DN key and the SET key 8 Terminal block Refers to the terminal block connecting cables for external connection 9 Cable glands Four cable glands are available for introducing ...

Page 33: ...eratureT0 zT C Valueatthetimeoffactoryadjustment 0 00 to 100 00 RF correction factor cG Valueatthetimeoffactoryadjustment 9 99 to 9 99 Zero point RF data zG Valueatthetimeoffactoryadjustment 0 00 to 100 00 Moving average times ma Time 1 Without moving averaging 1 to 99 Permissible width of change rate limit dx TS 0 00 NONE 0 00 to 9 99 Limit times of change rate limit HL 0 Without change rate limi...

Page 34: ... 000 0 000to1 999 Loadingadditive ratio R2 0 000 0 000to1 999 Loadingadditive ratio R3 0 000 0 000to1 999 Loadingadditive ratio R4 0 000 0 000to1 999 Loadingadditive ratio R5 0 000 0 000to1 999 Output at contact OFF in external synchronized operation ho 4mA Valueimmediatelybefore4mA simulatedoutputinsettingmode Availability of density multiplier switching D1 OFF NONE ON OFF Densitymultiplier atDI ...

Page 35: ...suring modes operation modes of the normal continuous operation and the externally synchronized operation Measured density output 4 to 20mA Measured density continuous output Density Test output Measured density continuous output Density display Measured density value Density Test output Measured density valve Measure indicator On Off On Note In the Setting menu when Zero calibration or Span calib...

Page 36: ...he simulated value as a result of mistakenly pressing the SET key twice in a row On the menu screen use this key to switch to the next menu screen In the state of setting numerical values use this key to move up the numeric value of the digit where the cursor is located Each time the key is pressed the numeric value changes incrementally as following 0 1 2 9 minus symbol decimal point 0 1 2 Note I...

Page 37: ...iplier C Upper density measurement range UR Lower density measurement range LR Density line slope a Density intercept b Density test output ot Delayed time in external synchronized operation dt Zero point phase θ1 zp Zero point liquid temperature T0 zT RF correction factor cG Zero point RF data zG Moving average times ma Permissible width of change rate limit dx Read parameters Limit times of chan...

Page 38: ...ible width of change rate limit dx Parameter setting Limit times of change rate limit HL Setting the permissible times of change rate limit HL Zero calibration Zero calibration Zero calibration implementation verification Span calibration Density multiplier C1 Setting the density multiplier C1 Upper angle UH Setting the upper angle UH Lower angle SH Setting the lower angle SH Angle rotation correc...

Page 39: ...R2 Setting the loading additive ratio R2 Loading additive ratio R3 Setting the loading additive ratio R3 Loading additive ratio R4 Setting the loading additive ratio R4 Additives correction Loading additive ratio R5 Setting the loading additive ratio R5 Output at contact OFF in external synchronized operation ho Selecting the output at contact OFF in external synchronized operation ho Availability...

Page 40: ...ONITORING MENU 2 SETTING MENU 3 MEASURING MODE Menus of 1 READ PARAMETERS Data display of 2 MEASURED VALUES Data display of 3 SELF DIAGNOSIS Move the cursor to the menu number with key and press SET key Move the cursor to 1 with key and press SET key ESC Previous Menu ESC Previous Menu Note In actual display the cursor is blinking ...

Page 41: ...2 SETTING MENU An incorrect password will cause the following message to appear Return to the screen at left by pressing any key and then enter the correct password once again 1 MONITORING MENU 2 SETTING MENU 3 MEASURING MODE Input password PASSWORD 0000 SET SET ESC CANCEL PASSWORD ERROR PUSH ANY KEY 9 LINEARIZ CNDUCTVTY 10 ADDITIVES CORRECT 11 OTHERS Move the cursor to the menu number with key an...

Page 42: ...ULTIPLIER DATA 1 000 C1 ESC RETURN Each time the UP or DN key is pressed CONT EXT are mutually alternated thus making it possible to select an operation mode Select CONT for normal continuous operations select EXT for external synchronized operations For details on the external synchronized operation refer to Section 6 7 The set value of the density multiplier C which is used for density calculati...

Page 43: ...lly this is set to zero Upon getting into 2 SETTING MENU the current output and the LED density display are switched to simulated values In this screen the set value of the simulated value unit TS can be verified In external synchronized operations the set value of the delayed time unit minute from when the external contact input is turned ON until the measurement starts can be verified For detail...

Page 44: ... time of zero calibration can be verified The set value of the moving average times can be verified The variation width TS permitted in the change rate limit function can be verified ESC Previous Menu ESC Previous Menu ESC Previous Menu ESC Previous Menu ESC Previous Menu ESC Previous Menu DN UP DN UP DN UP DN UP cG RF COEF DATA 0 00 ESC RETURN zG ZERO RF DATA DATA 50 00 ESC RETURN ma AVERAGING TI...

Page 45: ... 43 6 F 8 A 0 7 8 7 ESC Previous Menu C DENSITY MULTIPLIER DATA 1 000 ESC RETURN DN ...

Page 46: ... the left end of the bottom line will blink synchronously with the data updating thus making it possible to verify that the data updating is definitely taking place ESC Previous Menu ESC Previous Menu ESC Previous Menu ESC Previous Menu DN UP SL MICROWAVE SIG LVL DATA 53 ESC RETURN F MICROWAVE COEF DATA 1910 ESC RETURN Move the cursor to 3 with key and press SET key to select 3 SELF DIAGNOSIS DN U...

Page 47: ...C Previous Menu ESC Previous Menu ST STATUS GOOD ESC RETURN DN The soundness of the phase measurement unit can be verified The soundness of various memory units can be verified The converter s RF data concerning the micro wave phase measurement can be verified Normally the value is 10 to 70 The voltage of the 5 volt power supply can be checked pd REF PHASE DATA 0 0 ESC RETURN DN UP DN UP DN UP DN ...

Page 48: ... is 4mA is set ot DENSTY TEST OUT DATA 3 0 SET CHANGE ESC RETURN ot DENSTY TEST OUT RANGE 0 0 99 9 TS DATA SET SET ESC CANCEL SET Set SET Fix ESC Cancel DN UP The density intercept of the arithmetic expression for calculating the density from the phase measurement data etc is set In the event that the zero point is out of position it is corrected through zero calibration it is also possible to shi...

Page 49: ...ration DN UP ESC Previous Menu SET Set SET Fix ESC Cancel zT ZERO LIQUID TEMP DATA 25 00 SET CHANGE ESC RETURN zT ZERO LIQUID TEMP RANGE 0 00 100 00 ﾟC DATA SET SET ESC CANCEL The zero point liquid temperature can be set in this menu through manual input Normally the zero point liquid temperature is automatically set when implementing the zero calibration DN UP SET Set SET Fix ESC Cancel ESC Previ...

Page 50: ... a signal of sharp variation the change rate limit function excludes this signal to restrict a sudden output variation In this menu the permissible variation width is set in terms of TS DN UP DN UP ESC Previous Menu SET Set SET Fix ESC Cancel HL LIMIT TIMES DATA 0 SET CHANGE ESC RETURN HL LIMIT TIMES RANGE 0 99 DATA SET SET ESC CANCEL The limit times in the change rate limit function are set If th...

Page 51: ...nsity value is corresponding to the manual analysis value For details refer to Section 6 5 Move the cursor to 6 with key and press SET key to select 6 ZERO CALIBRATION 5 SET PARAMETERS 6 ZERO CALIBRATION 7 SPAN CALIBRATION 8 ANGLE ROTATION zp PHASE 81 23 N 0 zT TEMP 26 55 C zA TEMP 26 55 C X DENSITY 0 05 TS ZERO POINT CALIBRATION HAS BEEN COMPLETED SET Set New data displayed ESC Previous Menu Pres...

Page 52: ...LE DATA 100 SET CHANGE ESC RETURN SH LOWER ANGLE RANGE 0 120 ﾟ DATA SET SET ESC CANCEL Before shipping this value is set to 100 degrees Changing the setting may result in damaging the otherwise normal operation Therefore normally do not change the setting ESC Previous Menu ESC Previous Menu SET Set SET Fix ESC Cancel N ROTATION DATA 0 SET CHANGE ESC RETURN N ROTATION RANGE 10 10 DATA SET SET ESC C...

Page 53: ...other the density of the crossover point B of the 2nd and 3rd lines is set ESC Previous Menu SET Set SET Fix ESC Cancel DN UP K1 COEF DATA 1 00 SET CHANGE ESC RETURN K1 COEF RANGE 0 00 9 99 DATA SET SET ESC CANCEL In the event of three straight lines which closely analogous each other the inclination K1 of the 1st line is set SET Set SET Fix ESC Cancel ESC Previous Menu DN UP K2 COEF DATA 1 00 SET...

Page 54: ...E DATA MANU SET SET ESC CANCEL UP DN zE CNDUCTVTY ZERO RANGE 0 00 10 00 DATA SET SET ESC CANCEL ESC Cancel EC CONDUCTIVITY DATA 1 23 LINE SET CHANGE ESC RETURN MANU LINE SELECTION RANGE MANU LINE DATA LINE SET SET ESC CANCEL SET Set SET Fix in LINE mode ESC Cancel ESC Previous Menu MANU LINE SELECTION RANGE MANU LINE DATA MANU SET SET ESC CANCEL DN UP or DN EC CONDUCTIVITY RANGE 0 00 10 00 DATA SE...

Page 55: ...or DN key is pressed TOTAL MAIN are mutually alternated thus making it possible to switch between density calculations to be displayed If TOTAL is selected the density of the entirety in which the pulp and the additives are combined will be displayed If MAIN is selected the density of only the pulp which is the main object will be displayed DN UP ESC Previous Menu SET Set SET Fix ESC Cancel Ac OUT...

Page 56: ...ity of component 0 pulp is set SET Set SET Fix ESC Cancel ESC Previous Menu s1 ADDITIVE SENS DATA 1 00 SET CHANGE ESC RETURN s1 ADDITIVE SENS RANGE 9 99 9 99 DATA 1 00 SET SET ESC CANCEL DN UP The sensitivity of additive 1 is set In the same manner the sensitivities of the following additives 2 to 5 are set ESC Previous Menu SET Set SET Fix ESC Cancel s2 ADDITIVE SENS DATA 1 00 SET CHANGE ESC RETU...

Page 57: ...NCEL R4 ADDITIVE RATIO DATA 0 000 SET CHANGE ESC RETURN R4 ADDITIVE RATIO RANGE 0 000 1 999 DATA 0 100 SET SET ESC CANCEL R5 ADDITIVE RATIO DATA 0 000 SET CHANGE ESC RETURN R5 ADDITIVE RATIO RANGE 0 000 1 999 DATA 0 100 SET SET ESC CANCEL AF ADDITIVES COMP DATA ON SET CHANGE ESC RETURN DN UP DN UP DN UP DN UP DN UP DN UP The additive ratio of additive 1 the mass ratio with regard to component 0 is...

Page 58: ...r density multipliers can be switched around by the external voltage signal DI of two points This is used for switching the brand etc On this menu whether to perform the density multipliers switching ON or not OFF is selected Each time the UP or DN key is pressed ON OFF are mutually alternated In the event of performing the density multiplier switching by means of the external voltage signal DI of...

Page 59: ...ure Verifying the cable connection Verifying the converter power ON display See 6 2 1 Warm up Verifying and setting measurement conditions Filling up the piping system in which the density meter is installed with fresh water density 0 Zero calibration Pour the fluid to be measured Span calibration Startup Normally omitted See 6 2 2 See 6 2 3 See 6 3 1 1 See 6 3 1 2 See 6 3 2 1 and 2 See 6 4 2 to 1...

Page 60: ... connected to their respective terminal blocks It is verified that the ground grounding resister less than 100 Ω is reliably connected to this density meter In the event of performing an external synchronized operation the external contact input signal connected with ON OFF of the pump is required therefore make sure that the external contact input signal cable is reliably connected 6 3 Power on a...

Page 61: ...isional set values at the factory shipment If the those values are meet to the operation conditions of the plant rest it to an appropriate value in accordance with the operation conditions of the plant 3 Verifying and setting the simulated output in setting mode Normal measurements are suspended while this density meter is in the setting mode see 2 SETTING MENU thus both the density display and th...

Page 62: ...o the simulated output that is set beforehand 2 Stop the flow in or out from the tank and in the piping system If it is possible to stop the flow in or out from the tank and in the piping system where the density meter is installed do so by for example turning off the pump If it is not allowed to stop the fluid flow through the pipeline When it is not permitted to stop the flow of the line bypass ...

Page 63: ...de 2 SETTING MENU through the operation of 1 use the key to move the cursor of the LCD indicator to the menu number 6 of 6 ZERO CALIBRATION and then press the SET key 12 Check zero water density reading see Subsection 5 2 11 The measured density of zero water is displayed on the density indicator If the indicator shows 0 00 it means that the zero point is off toward the negative In the Setting men...

Page 64: ...le fluid for manual analysis Slightly open the sampling valve on the pipeline and let out the fluid a while before filling a 1 liter bottle to half Read and record the density value of the current fluid Make sure to carry out the sampling when the density of the measured matter is in a stable state with the measured matter flowing 3 Manual analysis Put a part of the sample fluid into a 100 ml plas...

Page 65: ...re span calibration For example the set value of the current density multiplier as is displayed as in DATA 1 000 is displayed Record this value 5 4 Setting the density multiplier Press the SET key to switch over to the setting menu of the density multiplier and enter the density multiplier found in 4 Use the key to move from one digit to another Use the UP and DN keys to switch around the number o...

Page 66: ...the output will be switched to the simulated value that was set beforehand In the event that the external synchronized operation is selected the density measurement is suspended if the external contact input signal is turned OFF even in the measuring mode For details including the output when the density measurement is suspended refer to Section 6 7 In the event that the measured matter does not f...

Page 67: ...ank or the piping system where the density meter is installed thus either leaving it completely empty or insufficiently filled with fluid In such a situation the measured value of the density meter falls into error such as full scale excess shift to the minus side or occurrence of fluctuation within major marginal error It takes time for the tank or the piping system where the density meter is ins...

Page 68: ...SET key to get into the set value input screen and then enter an appropriate value the time sufficient for the measured matter to flow up to the density meter and fill up the pipe after the shifting pump operation is started Use the key to move from one digit to another Use the UP and DN keys to switch around the number of the relevant digit When the input is completed press the SET key to confirm...

Page 69: ...nu see Subsection 5 2 6 In the initial menu use the key to move the cursor of the LCD indicator to the menu number 3 of 3 MEASURING MODE and then press the SET key to get into the operation mode menu 3 2 Verifying and setting the operation mode The current operation mode is displayed at DATA of the LCD indicator CONT refers to the mode of taking measures continuously without relying on the status ...

Page 70: ...F before replacing fuse Failure to observe this can cause electric shock DO Avoid touching the terminal block during maintenance or inspection If it is necessary to touch the terminal block turn the power switch on the equipment to OFF in advance Failure to observe this can cause electric shock DON T Do not attempt to disassemble or modify the equipment Failure to observe this can cause electric s...

Page 71: ...ion while referring to Section 6 4 and 6 5 When the density meter is used in an application where the process fluid contains plenty of fur or fiber these substances may accumulate or entangle in the insertion probe area and thus perform the maintenance and inspection operation and cleaning periodically Take extra care not let the applicators antenna hit the hard object Table 7 2 Spare Parts Name S...

Page 72: ...ns 1 Converter power cannot be switched on Fuse 1A is blown Replace fuse 2 ALARM indicator lights density meter error contact output Fault in the density meter In accordance with Section 8 2 perform self diagnosis data check and restoration operations If ALARM indicator lights again send self diagnosis data to our Service Department 3 While the flow is stagnant the indicator is in error The fluid ...

Page 73: ...h 0 1MPa or more is recommended It is desirable to install the meter on the discharge port of the pump At the same time make sure that the meter is placed as far as possible closer to the pump from the pipe outlet for air release 6 Measured density varies widely and does not agree with manual analysis value The tank or the piping system where the density meter is installed is not flowing filled wi...

Page 74: ...e is located on 1 2 Switching to the self diagnosis menu see Subsection 5 2 7 In the monitoring menu use the key to move the cursor of the LCD indicator to the menu number 3 of 3 SELF DIAGNOSIS and then press the SET key 3 Checking the self diagnosis data see Subsection 5 2 9 Press the UP key to move from one self diagnosis data to another to check for any error To detect which numerical range is ...

Page 75: ...ata numeric Usual range 90 to 40 dBm F Microwave coef MICROWAVE COEF Without error judgment based on data numeric Normal range 1825 to 1975 G Data concerning microwave phase measurement RF DATA Without error judgment based on data numeric Normal range 10 0 to 80 0 J 5 V voltage 5V POWER SUPPLY Without error judgment based on data numeric Normal range 4 5 to 5 5 V pd Reference phase error REF PHASE...

Page 76: ...orrections and the density calculations 9 1 Density Calculation This density meter measures the phase lag θ1 in the density zero water zero water which is the basis and the phase lag θ2 in the measured matter the difference θ θ2 θ1 of which being proportional to the density is used to obtain the density The density X of the measured matter is calculated in accordance with the following equation X ...

Page 77: ...360 degrees to enter into the rotation after the next rotation set N 2 N will move up to 2 only if the meter is of large diameter and the density is high On the other hand if θ2 goes below zero 0 degree to enter into the previous rotation decrease N by one 1 In other words when it goes into the 1st rotation from the 0th one set N 1 and when into the 0th rotation from the 1st one set N 0 Note The d...

Page 78: ... density meter is equipped with the atmospheric temperature correction function in accordance with the features of the converter The correction is performed on θ2 as follows to obtain the phase difference θ IMPORTANT Atmospheric temperature correction function is an option item therefore make sure to set the atmospheric temperature correction factor β to 0 00 θ θ2 α Τ Τ０ δ ＧＧ０ β A A０ θ1 θ Phase d...

Page 79: ...shutdown not only the output is switched to the simulated one but also the immediately preceding value is kept as the number of phase angle rotations N 9 3 3 Outline of automatic adjustment function of phase angle rotations Furthermore this density meter is equipped with the function of automatic adjustment of phase angle rotations This function judges whether the measured density calculated with ...

Page 80: ... impossible to measure the density in excess of 21 17 TS To solve the problems as shown in the example above measurement is taken so that the function of automatic adjustment of phase angle rotations is automatically invalidated if the upper measured density range exceeds Xmax Check the operating conditions to see if the function of automatic adjustment of phase angle rotations is applicable or no...

Page 81: ... UP key once this display can be switched to the menu list of the next menu numbers 9 to 11 Use the key to move the LCD indicator cursor to the menu number 11 of 11 OTHERS and then press the SET key to select the menu of 11 OTHERS 3 Verifying or changing ON OFF of automatic adjustment of phase angle rotations See Subsection 5 2 16 Press the DN key once or the UP key five times to display NA N AUTO...

Page 82: ...ing message saying Test output will be valid Make sure that there is no problem and then press to get into the setting mode To get into 2 SETTING MENU it is necessary to further enter the password 8000 Then the output will be switched to the simulated output that is set beforehand 2 Selecting the ANGLE ROTATION setting menu see Subsection 5 2 5 In the state that the menu list of menu numbers 5 to ...

Page 83: ...restrain the sudden output change See Section 10 3 4 Electric conductivity correction This function is used in the event that the electric conductivity of the matter to be measured has changed substantially Since this does not usually become a real problem it does not need this function usually When using this function however it is necessary to separately prepare a electric conductivity meter ins...

Page 84: ...g the parameter setting menu see Subsection 5 2 10 In the state that the menu list of menu numbers 5 to 8 is displayed use the key to move the LCD indicator cursor to the menu number 5 of 5 SET PARAMETERS and then press the SET key to select the menu of 5 SET PARAMETERS 3 Verifying or setting the moving average times see Subsection 5 2 10 Press the DN key three times or the UP key eleven times to ...

Page 85: ...ples below Setting conditions The setting conditions shall be as follows Width of change rate limit function 0 5 TS Times of change rate limit function Twice The conditions that are set as above mean the following 1 All the variations within 0 5 TS are permitted and output without modification 2 Variations exceeding 0 5 TS are limited up to twice outputting the immediately preceding signal in plac...

Page 86: ...utput signals are as shown in Fig 10 3 4 Since signals No 5 and No 6 are varying in excess of 0 5 TS with regard to signal No 4 signal No 4 is output instead with regard to No 5 and No 6 Signals No 7 to No 10 which are within the variation width of 0 5 TS with regard to the respective immediately preceding signals are output without modification 10 3 3 Cautions in using the change rate limit facto...

Page 87: ...s screen it is possible to verify the set value of the change rate limit width If it is necessary to change the setting press the SET key here to switch to the setup display of the change rate limit width and enter an appropriate value for the width Use the key to move to the digit and use the UP or DN key to alter the numeric value of the relevant digit When entering input is completed press the ...

Page 88: ... zero calibration and set in advance as a constant δ RF correction factor Ｇ RF data during measurement Ｇ０ Zero point RF data Measured during zero calibration and set in advance as a constant γ Electric conductivity correction factor degrees mS cm E Electric conductivity of measured object liquid mS cm E０ Zero water conductivity mS cm β Atmospheric temperature correction factor degrees C A Atmosphe...

Page 89: ...e measurement object process is appropriate The standard values of electric conductivity correction factors shown in Table 10 4 1 are criteria It is necessary to use the linear relationship that exists between the conductivity and the output to survey and determine the electric conductivity correction factor in terms of each actual measured object fluid See Subsection 10 4 2 In the event of not ex...

Page 90: ...o the menu list display of the next menu numbers 9 to 11 Use the key to move the cursor of the LCD indicator to the menu number 9 of 9 LINEARIZ CNDUCTVTY and then press the SET key to select the menu of 9 LINEARIZ CNDUCTVTY 2 3 Setting the electric conductivity correction factor to 0 00 see Subsection 5 2 14 Press the UP key five times or the DN key three times to display r CNDUCTVTY COEF Press th...

Page 91: ...conductivity and the measured density specified value are as follows respectively 1st measurement E1 1 mS cm M1 4 0 TS 2nd measurement E2 2 mS cm M2 4 2 TS From here it follows that ΔE 1 mS cm ΔM 0 2 TS and the conductivity correction factor is γ 0 2 0 056 1 3 57 5 To correct the electric conductivity correction factor by means of the conductivity meter s range In the event that the range of the c...

Page 92: ...on on the simplified way of this function refer to 10 5 5 Simplified way of using the additive correction function The contents to be registered into the brand list are as follows Table 10 5 1 Brand List Sensitivity Note 2 Ratio of mixture Note 3 Component Note 1 Sign Setting range Set at shipping Sign Setting range Set at shipping Comp 0 pulp s0 9 99 to 9 99 1 00 Comp 1 s1 9 99 to 9 99 0 00 R1 0 ...

Page 93: ...ries in proportion to the actual density a Density line slope b Density intercept normally zero C Density multiplier b Additives correction to be made for getting Total Density of whole mixture including the additives TOTAL Xb 1 R1 R2 R3 R4 R5 s0 s1 R1 s2 R2 s3 R3 s4 R4 s5 R5 C a b Δθ where Xb Density of the whole mixture s0 Sensitivity of pulp only s1 Sensitivity of additive 1 R1 Mixture ratio of...

Page 94: ...mula list number for registering parameters Set sensitivities of pulp and additives s0 to s5 Set mixture ratios of additives R1 to R5 Perform zero point calibration Refer to 6 4 Zero Point Calibration Set the density multiplier to 1 000 Select ON for additives correction Select calculation mode for additives correction TOTAL or MAIN Select the brand list number that corresponds with the formula Pa...

Page 95: ...ection Each time the UP or DN key is pressed the set value alternates between OFF and ON With the value set to ON press the SET key to verify it The screen will be returned to the immediately preceding one make sure that the value is correctly reset 3 2 Selecting a density display see subsection 10 5 2 Continuing on from 3 1 press the UP key to switch to the display of Ad DISPLAY DENSITY In this m...

Page 96: ...mixture a mixture of pulp and additives the additives correction can be simplified as described below In this simplified correction a density multiplier sensitivity is obtained separately for each formula and entered into the list of formula When a formula is changed you need to select a new formula number to change the density mulyiplier to continue measuring density Up to ten formulas can be ent...

Page 97: ...sured values with manual analysis values with a single density multiplier over a wide range of densities from low to high Suppose there is a curve relationship such as that shown in figure 10 6 1 between meter measured values using a density multiplier of 1 00 and manual analysis values when a certain substance is measured at varying degrees of density To make linealization the curve is approximat...

Page 98: ...ed value X0 at a density multiplier of 1 00 and manual analysis value to make into a graph as shown in figure 10 1 2 Draw approximate straight lines Draw in three straight lines that approximate the relationships 3 Read densities at crosspoints Read the meter measured values XO at the cross points of these lines and get cross point densities A and B 4 Get the slopes of the lines Calculate the slop...

Page 99: ... key to select the menu of 9 LINEARIZ CNDUCTVTY 3 Setting the density and the factor see Subsection 5 2 14 The setup menus of density and factor are called one after another from the start of the menu development of 9 LINEARIZ CNDUCTVTY First of all press the SET key at LA DENSITY A and then after the setup display of density A is displayed input the value for density A Use the key to move to the ...

Page 100: ...e used to save the trouble of resetting the density multiplier each time through manual input Implement the span calibration in terms of each measured object fluid in advance obtain and set the respective density multipliers C1 to C4 and then switch around the density multipliers to be used for density calculation by means of the external voltage signals of two points in accordance with the measur...

Page 101: ...bsection 5 2 16 Press the UP key once to display DI C CHANGE ON OFF Press the SET key here to switch to the setup display Each time the UP or DN key is pressed the set value alternates between ON and OFF Therefore when using the function of density multiplier switching by external signals set the value to ON and then press the SET key to verify it The screen will be returned to the immediately pre...

Page 102: ...osity 4 Flow rate upper limit 5 Temperature upper limit Note 2 TS total solids Dissolved materials Floating materials Note 3 Span Density meter range upper limit Density meter range lower limit Repeatability 0 01 TS Note 1 Resolution measured in a single unit Note 2 Refers to the value at the measuring point of 5 or greater of FS full scale in measuring a simulated reagent Note3 Repeatability that...

Page 103: ...ation of performance or damage was found Resonant frequency was 20 to 45 Hz depending on vibration direction 2 Applying vibration of 5 to 150 to 5 Hz with acceleration of 4 9 m s2 for 3 minutes in each direction and this is repeated 10 times for each direction totaling 90 minutes and no deterioration of performance nor damage was found Mass Approx 20kg Maximum velocity 5m s when viscosity is 1 Pa ...

Page 104: ...ote Do not use the above materials contacting liquid on fluids which may cause corrosion deterioration or quality change in them Contact Toshiba for details Non applicable fluids Strong sulfuric acid strong nitric acid Applicators A pair applicators provided for microwave reception transmission Temperature detector RTD resistance temperature detector Pt 100 Mounting style Applicators facing the up...

Page 105: ...e about 3 k ohms This signal is used to remotely switch four density multipliers thus making it possible to easily deal with switching around four measured object fluid or mixed fluids brands of different components or compound ratios Electric conductivity correction signal 4 to 20mADC to deal with conductivity 0 to 10mS cm In the event of implementing a electric conductivity correction prepare a ...

Page 106: ...of 7 segments by 4 characters 00 00 to 99 99 TS Operation console inside the converter Used for verifying changing and manipulating various data Five control switches Display LCD of 4 lines by 20 characters dot matrix Power supply 100 to 240 VAC 50 60 Hz Allowable power supply voltage 85 to 264 VAC Power consumption About 50 VA Case material Steel plate Coating Polyurethane ...

Page 107: ...S 10 meter size 100mm 4 B Equipment for JIS 10K JIS B 2238 10K meter size 100mm 4 Z Others Fluid Temperature B High temperature type 0 100 deg C 32 to 212 deg F Power Supply A 100 240Vac 50 60Hz TYPE C Insertion type Wetting parts A Standard 316SS H Hastelloy C 276 Z Others Other A Standard Note 1 This specification is manufactured only when ordered Contact about delivery time Note 2 Sealing mater...

Page 108: ... FUNC A Figure 9 C FUNC B Figure 9 D FUNC C Note The LED display is located in the backside of Cable gland ports Fig 9 C Function code B Flow LED display Converter Applicator Cable gland Fig 9 A Function code None Flow Cable gland Converter Applicator LED display Flow LED display Converter Applicator Cable gland Fig 9 D Function code C Flow LED display Converter Applicator Cable gland Fig 9 B Func...

Page 109: ... 107 6 F 8 A 0 7 8 7 Appendix Attached Figure 1 Unit mm 231 重心位置 A A 57 JIS10K 100A フランジ Center of gravity position 8 φ 19 hole JIS10K 100A flange ...

Page 110: ...on Manual For The Insertion Type Density Meter Type LQ300A00 Feb 2002 1st Edition A Address Toshiba Corporation 1 1 Shibaura 1 chome Minato ku Tokyo 105 8001 Japan Phone 81 3 3457 8302 Toshiba Corporation 2002 All Rights Reserved ...

Search results

Summary of Contents for LQ300A00 Series

Reviews:

Related manuals for LQ300A00 Series

Brands by name

Popular brands

Toshiba LQ300A00 Series, Operation Manual

Search results

Summary of Contents for LQ300A00 Series

Reviews:

Related manuals for LQ300A00 Series

Brands by name

Popular brands