PB360G Vertical Floating Ball Holder
Contents
1. Ceiling HAN A Arm pipe 934 aint il ee H Ay vA k spore N A k ai A 8 2E E i amp N E o a4 o 1 oO 1 H E T 1 DEF gt k Fg ES al F A E i o 1 h a tls 3 Na j S a jan Lo 260 N Ii N hu gt lt i pa I i H Yo H ae 2 SS Note 1 SE LWW ss rid Counterweight nx 1 5kg ry me Note 2 2 Saddle band Pp p aP i A 7 7 Yyyy SOLS Le LOOT e Le E LH LH if Stanchion pipe ioe 260 5 an 2 fe 2 inch prepared by user Le we y Y Float ball Allow to face downstream 9230 The guide roller must be able to be opened closed smoothly 970 I gt 70 gt Note 1 Adjust the weight so that the fluid surface level is equal to or above the center of the float ball Two weights when L1 2 5 m three weights when L1 3 5 m Note 2 Before fixing the saddle band adjust the orientation of Q ze Y the holder so that the sensor tip faces downstream 300 to 100 L1 Holder length specified Pitch 50 L2 Half the maximum span 152. Draws attention to information essential for understanding the operation and features N Tip This symbol gives information that complements the current topic N SEE ALSO This symbol identifies a source to be referred to IM 19H1E2 01E iv lt INTRODUCTION gt After sales Warranty E Do not modify the product E During the warranty period for repair under warranty consult the local sales representative or service office Yokogawa will replace or repair any damaged parts Before consulting for repair under warranty provide us with the model name and serial number and a description of the problem Any diagrams or data explaining the problem would also be appreciated O Ifwereplace the product with a new one we won t provide you with a repair report e Yokogawa warrants the product for the period stated in the pre purchase quotation Yokogawa shall conduct defined warranty service based on its standard When the customer site is located outside of the service area a fee for dispatching the maintenance engineer will be charged to the customer In the following cases customer will be charged repair fee regardless of war ranty period Failure of components which are out of scope of warranty stated in instruction manual Failure caused by usage of software hardware or auxiliary equipment which Yokogawa Electric did not supply e Failure due to improper or insufficient maintenance by user e Failure due to
3. The 400 mm width of the holder installation location can be adjusted in 50 mm increments e Long maintenance intervals make for ease of maintenance The sensor is inserted in the float whose spherical surface is in contact with the solution Thus there are no corners or protrusions on the sensor where dirt or sediment can accumulate Maintenance can therefore be performed in conjunction with the periodically performed calibration This also makes it is easy to move the float assembly to whatever location is used for the maintenance work The features of the PB360G vertical floating ball holder renders it ideal for waste water processing and other unattended operations IM 19H1E2 01E 1 2 lt 1 Overview gt gt lt Sensor cable Pipe assembly Auxiliary bracket Holder assembly Guide pipe Balance weight x Stanchion Float ball Figure 1 1 External View of PB360G Vertical Floating Ball Holder IM 19H1E2 01E 1 2 1 2 1 lt 1 Overview gt Specifications Standard Specifications Applicable sensors General pH Sensor PH8ERP PH8EFP General ORP Sensor OR8ERG OR8EFG Dissolved Oxygen Sensor DO30G DO70G MLSS Sensor SS300G Note 1 When using a KCI filling type sensor a stanchion or mounting bracket for the KCI tank is required separately Note 2 Not applicable for special pH ORP sensor or PH4 OR4 sensor Mounting Material Weigh
4. The holder must be installed at the place of maintenance not when the float is floating on the solution to be measured Take care not to get your hands caught between the rollers when the holder is attached to the roller support Make sure that the sensor front end is not damaged during installation when the float is on the floor Install the holder in the guide roller according to the following instructions 1 As shown in Figure 4 3 loosen the wing nut attached to the guide roller move the stopper upwards to free the roller Free both the upper and lower guide rollers 2 Move the wing bolt to the right to open the guide bracket and place the holder assembly in the guide rollers 3 Close the roller assembly attach the stoppers and tighten the wing nuts IM 19H1E2 01E 4 4 lt 4 Installation gt Holder assembly Guide bracket Guide roller See Note Enlarged drawing Flat washer Note Make sure all washers are installed Spring washer as shown before tightening the wing nut Flat washer Wing nut Figure 4 3 Installation and removal of Holder Assembly 4 2 5 Installing Balance Weight A CAUTION Take proper safety precautions in performing this procedure to prevent injuries and maintain safety Take care not to drop the balance weight Use an appropriate tool a pair or nippers or the like to cut off the rope Attach the balance weight to the holder
5. Y 4 8 3 re i E amp le S i 260 x i sE gt pS Y Notet Y g ag Counterweight 25 LW Se al n x 1 5kg pla Cami Y Note 2 i Saddle band are Y Y Y YY 7 TILT Er A Stanchion pipe an A 260 5 o e 2 inch prepared by user oO Le A Y 970 lt lt gt 70 ye Pulley Note 1 Adjust the weight so that the fluid surface level is equal i N amp Y to or above the center of the float ball LL E Ke ye i Two weights when L1 2 5 m three weights when L1 3 5 m amp gl IN d D ae O Note 2 Before fixing the saddle band adjust the orientation of Loc i l Y the holder so that the sensor tip faces downstream m 300 to 100 e K Hanh EO L1 Holder length specified Pitch 50 i P L2 Half the maximum span 150 mm However if the gt a on counterweight touches the stanchion pipe installed adjust R235 al the position of the pulley so that the counterweight can Installation space 735 to 335 Pitch 50 freely move up and down inside the tank of float ball Section A A F140 ai Figure 1 2 External dimensions of PB360G PV IM 19H1E2 01E lt 1 Overview gt 1 5 PB360G S3 Arm Material Stainless Steel VILLA LALALA ALA LA ALA AA AAA AAA AA AAA AAA AA AAA AA AAA AAA d PL
6. modification misuse or outside of specifications operation which Yokogawa does not authorize Failure due to power supply voltage frequency being outside specifications or abnormal Failure caused by any usage out of scope of recommended usage Any damage from fire earthquake storms and floods lightning disturbances riots warfare radiation and other natural changes Yokogawa does not warrant conformance with the specific application at the user site Yokogawa will not bear direct indirect responsibility for damage due to a specific application Yokogawa Electric will not bear responsibility when the user configures the product into systems or resells the product Maintenance service and supplying repair parts will be covered for five years after the production ends For repair for this product please contact the near est sales office described in this instruction manual IM 19H1E2 01E lt CONTENTS gt v PB360G Vertical Floating Ball Holder IM 19H1E2 01E 4th Edition CONTENTS INTRODUCTION counts o i For the safe use of this equipment uuu2uuu20nnn0nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn ii After sales Warp una iv 1 DVEIVIEW see 1 1 1 1 Features of PB360G Vertical Floating Ball Holder unsusrsnsnensnennnennnennnennn 1 1 1 2 SPECITI CATIONS coria RADAR ae aaraa Ea RARO RADA ARDER ade 1 3 1 2 1 Standard Specifications 244444044440nnnnsnnnnnnnnnnennn
7. sensor into the holder assembly arm pipe until the flange is flush with the sensor holder Float securing nut Sensor holder O ring Flange 4 Mount the float on the holder assembly Sensor Insert the float into the sensor holder and properly tighten the float securing nut Float ball Figure 3 1 Mounting the Sensor IM 19H1E2 01E 3 2 lt 3 Prior to Installation gt 3 2 Adjusting Float Orientation While the installation location of the holder assembly adjust the arm pipe and guide pipe so that the front end of the sensor faces the direction of solution flow 1 Loosen the saddle band bolt and nut that secures the holder assembly guide pipe using a spanner or the like 2 Since the float turns with the arm pipe turn the arm pipe so that the sensor front end faces the flow of the solution 3 Tighten the bolt and nut loosened in Step 1 above to secure the guide pipe Note that they should be properly tightened and that excessive tightening may damage the arm pipe Arm pipe Guide pipe Bolt nut M10 M4 Saddle band Adjust the angle so that the front end of the sensor faces the flow of the solution Figure 3 2 Adjusting Float Solution Contact Angle IM 19H1E2 01E lt 4 Installation gt 4 1 4 Installation 4 1 Selecting a Place of Installation 4 1 1 Selecting Measurement Point Install the PB360G vertical floating ball holder so that the float assembly in
8. the sensor 1 2 2 Model and Suffix codes Option Suffix Code Code Description Arm Material Mununununnunununanunnununununn anunananananunen Vertical floating ball holder aaa PVC abtsaaessaaease Stainless steel Pipe Length enseneneaneneane Always NN IM 19H1E2 01E 1 4 lt 1 Overview gt 1 2 3 External Dimensions e PB360G PV Arm Material PVC VILLA LA ALA AL ALA ALA AA AA AAA ALA AA AAA AAA AA AAA AA AAA AA AAA AA AAA LAS E PL el Kk K Sensor tip Float ball 0230 Allow to face downstream Must allow the guide roller to open close smoothly Ceiling A A A q AR Arm pipe 948 N O all ay A y N A HT a S A HO Lu E A de 1 t I E bis E NE E z UR E S G 1 i Ko 5 E d Ig Leg E 1d j o i
9. 0 mm However if the counterweight touches the stanchion pipe installed adjust the position of the pulley so that the counterweight can 735 to 335 Pitch 50 a freely move up and down inside the tank Installation space of float ball A p Section A A F141 ai Figure 1 3 External dimensions of PB360G S3 IM 19H1E2 01E lt 2 Names and Functions gt 2 1 Names and Functions Arm pipe contains the sensor cable L Gui Pipe assembly Guide pipe Ensures that the Equipped with a lower and upper arm detent so that the bracket connections float ball can be LJ are parallel secured at the FS pi f angle it is in contact with the solution DL Holder assembly secures the float at the measurement point even during solution flow It also maintains the sensor in optimum orientation Eye nut holds the rope Float securing nut Sensor holder Float Floats on the solution to be measured and keeps the sensor in contact with the solution regardless of changes in the solution level Figure 2 1 Names and Functions Connects the hold assembly and the balance weight S Guide roller Raises or lowers the holder assembly depending on solution level It is also equipped with the pulley of the rope Arm bracket Secures the components held by the holder assembly to the stanchion Pulley lt x Balan
10. G Nov 2011 3rd Edition Page layout changed by InDesign May 2007 2nd Edition Revised and corrected all over and IM style amp format renewed Dec 1998 1st Edition Newly published IM 19H1E2 01E
11. S304 Arm bracket SUS304 Figure 4 1 Assemblying Holder Assembly Support Bracket 4 2 3 Installing Support Bracket to the Stanchion 1 Attach the two arm brackets assembled in Section 4 2 2 to the stanchion using the supplied U bolts spring washers and nuts Place the arm bracket with the pulley atthe top Use a spanner to tighten the nuts For information on installation height see the specified dimensions given in the external dimensions 2 Attach the two auxiliary brackets to the stanchion Place the brackets under the arm brackets and like in Step 1 use the supplied U bolts spring washers and nuts and tighten them with a spanner IM 19H1E2 01E lt 4 Installation gt 4 3 Note Loosen the arm bracket Arm bracket U bolt only when the arm bracket is to be turned Note The auxiliary brackets should be secured at all times Pipe assembly SUS304 18 Pulley U bolt SUS304 M8 Auxiliary bracket SUS304 When this arm bracket is pulled or pushed the upper PS gt arm bracket moves in the same direction Nut Spring washer SUS304 M8 C SUS304 E Stanchion A pipe of sufficient strength 2 inch outer diameter 60 5 mm installed vertically a Figure 4 2 Support Bracket Installation 4 2 4 Installing the Holder in the Guide Roller A CAUTION Observe the following instructions during the installation work to ensure safety and prevent damaging the equipment
12. User s Manual PB360G Vertical Floating Ball Holder IM 19H1E2 01E vigilantplant YOKOGAWA 4 IM 19H1E2 01E j f 4th Edition Yokogawa Electric Corporation lt INTRODUCTION gt i INTRODUCTION The PB360G vertical floating ball holder is used to hold all types of solution analysis sensors This holder will keep the sensor immersed in the solution at all times for continuous measurement regard less of major changes in the level of the solution to be measured To fully exploit the capabilities of this product thoroughly read through the User s Manual before use Throughout this User s manual important items with respect to handling are indicated by a Warning or Caution designation depending upon the relative degree of importance For safety reasons and to prevent the possibility of damaging the product user should strictly observe these items 1 Specification check The arm pipe of the PB360G vertical floating ball holder is made either of PVC or SUS304 and is either 2 5 or 3 5 m long Upon taking receipt of the product unpack carefully checking that no damage has occurred during transport Check the parts list at the end of this manual to ensure that the received product is exactly what was ordered and that no parts are missing 2 Contents This manual covers all of the information for handling the PB360G vertical floating ball holder includ ing installation inspection and maintenance For details related to
13. ce weight compensates for lack of float capacity in the Auxiliary bracket holder assembly S older assembIy S Secures the arm bracket when the arm bracket is turned to the place of maintenance A i Stanchion 2 U bolt O Bolt clip Mounting bracket IM 19H1E2 01E lt 3 Prior to Installation gt 3 1 3 Prior to Installation Perform the following process prior to installing the vertical floating ball holder 3 1 Mounting Sensor Assembly Mount the sensor in the vertical floating ball holder before installing the holder CX SEE ALSO See separate manual for information on how to assemble the sensor JUN NOTE Be sure not to damage the front end of the sensor Note that the conditions of installation of some sensors may be restricted for example orientation relative to solution liquid flow Check the user s manual supplied with the sensor Install the sensor according to the instructions given below 1 Make sure that there is an O ring to secure the sensor on the inner Holder assembly diameter of the sensor holder 2 Thread the sensor cable through the holder assembly arm pipe Sensor cable When there is dirt or water drops inside the holder cover the sensor cable ends with a polyvinyl bag to make sure that the insulation resistance does not drop This will also protect it from damages during installation 3 Press the
14. e It must be easy to manipulate the lock pin in the mounting bracket IM 19H1E2 01E 4 2 lt 4 Installation gt 4 2 Securing Mounting Bracket 4 2 1 Installing the Stanchion Pipe for Securing the Mounting Bracket The mounting bracket of the PB360G vertical floating ball holder can be secured to a vertical pipe 2 inch 60 5 mm in diameter of sufficient strength Set up this pipe first Make sure that the pipe is firmly installed since the position chosen for securing the float holder will be exposed to considerable stress 4 2 2 Installing Rollers and Pulleys in the Arm Bracket 1 Install the roller assembly in the arm bracket Since the arm pipe is held between the roller assembly guide rollers install the roller assembly while minding sensor position the range of installation is shown in Subsection 1 2 3 External Dimensions Place a spring washer on the supplied hexagonal bolts M18 14 mm long and insert the bolts in the bolt holes in the arm bracket and screw them into the roller assembly using a spanner Attach the other arm bracket in the same ways 2 Attach the pulley assembly to one of the arm brackets installed in Step 1 above Use the same procedure as in installing the roller assembly in Step 1 The place of installation is shown in Subsection 1 2 3 External Dimensions Guide roller PP Roller assembly Cover SUS304 Pulley assembly PP Spring washer SUS304 M8 bolt SU
15. handling of the PB360G refer to the attachments For detailed information refer to the User s Manual supplied with products mor Je o o S Media No IM 19H1E2 01E 4th Edition Oct 2015 YK IM 19H1E2 01E All Rights Reserved Copyright 1998 Yokogawa Electric Corporation lt INTRODUCTION gt For the safe use of this equipment m Safety Protection and Modification of the Product In order to protect the system controlled by the product and the product itself and ensure safe operation observe the safety precautions described in this user s manual We assume no liability for safety if users fail to observe these instructions when operating the product If this instrument is used in a manner not specified in this user s manual the protection provided by this instrument may be impaired Be sure to use the spare parts approved by Yokogawa Electric Corporation hereafter simply referred to as YOKOGAWA when replacing parts or consumables Modification of the product is strictly prohibited The following symbols are used in the product and user s manual to indicate that there are precautions for safety m Notes on Handling User s Manuals Please hand over the user s manuals to your end users so that they can keep the user s manuals on hand for convenient reference Please read the information thoroughly before using the product The purpose of these user s manuals is not to warrant that the product is well sui
16. here it is exposed to air bubbles The balance weight must not come into contact with the surface that supports the stanchion regardless of how high the level of the solution rises The float must always be immersed in the solution regardless of how low the level of the solution drops The flow rate of the solution must not excessively bend the holder When the flow rate of the solution is high add extra weight to the balance weight as shown in Figure 4 5 so that 2 3 of the float is immersed in the solution The bottom of the balance weight is provided with a screw hole to screw on extra weights Note that an adhesive has been applied for hermetic sealing to the threads Thus if the weight is just screwed on it will not be possible to remove it again wash away the adhesive with water or the like if permanent attachment is not desired Additional balance weight l Figure 4 5 Adjusting Additional Balance Weights IM 19H1E2 01E lt 5 Maintenance gt 5 1 5 5 1 5 2 Maintenance As long as measurements are performed normally there is no need to inspect the PB360G vertical floating ball holder The maintenance work described in this chapter should be performed during calibration or sensor maintenance Sensor Maintenance The holder assembly and the arm bracket mounting bracket are exposed to stress during maintenance or the flow of the solution to be measured If the saddle band securing the holder assemb
17. ly and U bolts securing the arm brackets are not properly tightened sensor orientation will change with the movements of the holder assembly and arm brackets thus preventing good measurement result Make sure that the sensor is secured correctly to allow optimum measurement results Check for looseness in the U bolts and the saddle band and tighten as necessary Other Fixture Inspections Loose roller assembly wing nuts cover bolts that prevent the pulley assembly rope from coming off and bolt clips that secure the rope could cause an accident Check these bolts for looseness and tighten as necessary Make sure that the stoppers in the roller assembly have been properly locked IM 19H1E2 01E 5 2 lt 5 Maintenance gt 5 3 Sensor Retaining O ring The O ring inside the sensor holder holds the sensor at the center of the float insertion hole and reduces the risk that dirt and air bubbles will affect the measurements Check the O ring for damage during sensor inspection Replace it with a new O ring if it is excessively damaged one spare O ring is supplied Sensor retaining O ring Replace the O ring with the spare O ring when it is excessively damaged Float color fading The color of the float fades when it is used in a location that is exposed aii ul to direct sunlight Color fading does not mean that the material is severely weakened and does not prevent continued use of the float Figure 5 1 Sens
18. ments 4 5 5 Mamtenanca cosilla 5 1 5 1 Sensor Maintenance 2 c ccccsccceseeeeseeeeeeeeeeeeeeeseeenseeeeseeeeseeeeseeseseeeeseeensenenes 5 1 5 2 Other Fixture Inspections 2 ccseceeeeeeeeeeeeeeeeeeeeeseeeeseeeeseeeeeaeeeneneeeseeeeeeeenes 5 1 5 3 Sensor Retaining O ring ceccceeeseeeeeseeeseeeeeeeseeeeseeseeeseeesneeseeesneeseeeseneeeeeees 5 2 Customer Maintenance Parts List nssnnennnnennnnnnnnnnnnnn CMPL 19H01E02 01E Revision Information z 2 2 4u0 En cesta ees heran cased vate neta este einer i IM 19H1E2 01E lt 1 Overview gt 1 1 1 Overview 1 1 Features of PB360G Vertical Floating Ball Holder e Stable measurements even if solution level changes The PB3606 vertical floating ball holder holds a ball that floats on the surface The float rises and falls with the changes in the height of the solution level to ensure that the built in sensor is always in contact with the solution allowing stable and continuous measurements Since the float is attached to a vertical arm pipe by means of a guide roller the measurement point is always the same e Installations can be made in cramped spaces and the place of installation can be adjusted The PB3606 vertical floating ball holder can be installed in locations where the PB350G angled floating ball holder cannot be used for example in small openings which are provided by covers or when the measurement point is close to the place of installation
19. nennnnen 1 3 1 2 2 Model and Suffix Codes 00a 1 3 1 2 3 External Dimensions 44snneenneenneennennnennnennnennnnnnennnennnnnnnnnn 1 4 2 Names and FunctionS ressr000nnn0nannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 2 1 3 Prior to Instala euer 3 1 3 1 Mounting Sensor Assembly eccseccseesseeseeeseeeseneeeneseeeseeesseesenesenesseesseenseeseees 3 1 3 2 Adjusting Float Orientation unssesnnssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnannn 3 2 4 Installabon een 4 1 4 1 Selecting a Place of Installation nnersennnennnennnennnnnnnennnnnnnennnennnennnnnnnennnenn 4 1 4 1 1 Selecting Measurement Point usernsennsnsnnnnnnnnnnnnnnnnnnnnnnn na 4 1 4 1 2 Selecting a Place of Installation for the PB360G Vertical Floating Ball H lder r2 as die aaiteinkienendieienandnanaenauhiained 4 1 4 2 Securing Mounting Bracket cccscesseecseesseesseeseeesseeeseseeeseeesseesseeseeeseeseeeeees 4 2 4 2 1 Installing the Stanchion Pipe for Securing the Mounting Bracket 4 2 4 2 2 Installing Rollers and Pulleys in the Arm Bracket 4 2 4 2 3 Installing Support Bracket to the Stanchion 4 2 4 2 4 Installing the Holder in the Guide Roller 4 3 4 2 5 Installing Balance Weight cecceeceeceeeeeeeeseeeteeetieeteeetieeeieetieetieee 4 4 4 2 6 Moving the Holder to the Measurement Point and Adjust
20. or Retaining O ring Replacement IM 19H1E2 01E Customer Model PB360G Maintenance Vertical Floating Ball Holder Parts List Item Part No Qty Description 1 K9433AE 1 Ball Assembly 2 K9433EC 1 Holder Assembly for PV 25 NN K9433ED 1 Holder Assembly for PV 35 NN K9433EE 1 Holder Assembly for S3 25 NN K9433EF 1 Holder Assembly for S3 35 NN K9433HA 1 Holder Assembly for PV 25 ST K9433HB 1 Holder Assembly for PV 35 ST K9433HC 1 Holder Assembly for S3 25 ST K9433HD 1 Holder Assembly for S3 35 ST 3 K9433FA 2 Arm Bracket 1 4 K9433FD 2 Roller Assembly for PVC K9433FV 2 Roller Assembly for SUS 5 K9433FP 1 Pulley Assembly 6 L9826AL 2 Bracket 7 K9433CX 4 U bolt Assembly 8 Y9814NU 6 Bolt 9 Y9800SU 6 Spring Washer 10 K9433GR 1 Pipe Assembly 11 K9433GJ 1 Rope Assembly for 2 5m K9433GK 1 Rope Assembly for 3 5m 12 K9433GA 1 Weight Assembly for 2 5m K9433GB 1 Weight Assembly for 3 5m 13 K9433GD 2 Weight for Adjustment 14 K9433AJ 1 O Ring All Rights Reserved Copyright 1997 Yokogawa Electric Corporation CMPL 19H01E02 01E YOKOGAWA Pee ae eae 3rd Edition Sept 2001 YK Yokogawa Electric Corporation Revision Information e Title PB360G Vertical Floating Ball Holder O Manual No IM 19H1E2 01E Oct 2015 4th Edition Page i Introduction 2 Contents Table Add DO70G FLXA202 and delete PH400G PH100 OR400G OR100 Page 1 3 Section 1 2 1 Standard Specifi cations Add DO70
21. roller and pulley according to the following steps 1 Cut the rope that connects the holder assembly and the balance weight Determine the length of the rope according to the roller and pulley position as well as the L2 length given in Subsection 1 2 3 External Dimensions so that the balance weight does not come into contact with the pulley or the surface that supports the stanchion First cut the rope leaving a safe margin then place the float in the solution to check the optimum position of the balance weight before making the final cut Use a pair of nippers to cut the rope 2 As shown in Figure 4 4 a place the rope in the guide rollers and the pulley 3 Secure one end of the rope to the holder assembly and the other end to the balance weight First thread the rope through the eye nut see b in Figure 4 4 of the holder assembly Use the supplied bolt clips to secure the rope Properly tighten the bolt clips around 30 mm from the end of the loop in the rope 50 to 60 mm Then thread the rope through the ring in the balance weight Secure the rope in the same way as it was secured to the holder assembly IM 19H1E2 01E lt 4 Installation gt 4 5 Sensor cable Rope Bolt clip SUS304 M10 Auxilia bracket weight SUS304 Two pieces when 2 5 m Three pieces when 3 5 m Rope Secure the bolt clip 30 mm from the end of the loop Float ball a At
22. t Temperature range Flow rate 2 inch pipe vertical mounting Note Make sure the mounting pipe firmly installed Holder ABS resin brass and rigid PVC O ring Nitrile rubber NBR Arm rigid PVC or stainless steel equivalent to SUS304 Guide pipe Stainless steel equivalent to SUS304 Mounting bracket Stainless steel equivalent to SUS304 Roller Pulley Polypropylene Balance Weight Stainless steel equivalent to SUS304 Rope Vinyl Covered Stainless steel equivalent to SUS304 Connection Supporter Stainless steel equivalent to SUS304 Approx 7 4 kg model PB360G PV 25 NN Approx 8 8 kg model PB360G PV 35 NN Approx 8 0 kg model PB360G S3 25 NN Approx 9 6 kg model PB360G S3 35 NN Mounting bracket including assist bracket and U bolt assembly Holder guide pipe and arm Approx 5 kg x 2 sets Roller assembly including mounting bolt assembly Approx 3 3 kg x 2 sets Pulley assembly including mounting bolt assembly Approx 0 5 kg Connection supporter Approx 0 5 kg Approx 3 kg model PB360G uu 25 NN Approx 4 5 kg model PB360G uu 35 NN Approx 85 g model PB360G uu 25 NN Approx 97 g model PB360G uu 35 NN Balance weight Rope including bolt clip 0 to 50 C Note The temperature may be limited by the specifications of the sensor 20 to 100 cm s The arm must not be distorted significantly Note The flow speed may be limited depending on the specifications of
23. taching the rope b Securing the rope Figure 4 4 Attaching the Rope and the Balance Weight 4 2 6 Moving the Holder to the Measurement Point and Adjustments AN CAUTION Make sure that U bolts in the upper and lower auxiliary brackets before moving the holder to the measurement point If the holder is moved when it is not properly secured by the auxiliary brackets the arm brackets could fall off causing damage to the float and the mounting bracket It could also cause injury Move the holder to the measurement point according to the following instructions 1 Loosen the U bolts that secure the upper and lower arm brackets 2 Hold the hold assembly arm pipe and turn the arm bracket from the place of maintenance until it is right above the measurement point IM 19H1E2 01E 4 6 lt 4 Installation gt A CAUTION The holder assembly is fairly heavy 7 4 kg to 9 6 kg Therefore two people or more are required to move the holder to the measurement point 3 Slowly lower the holder so that the float is gently placed on the solution Then properly tighten the U bolts both in the upper and lower arm brackets The holder is now ready to make measurements Check the following measuring conditions and correct if necessary Half or 2 3 of the float should be under water The sensor front end must be in the right position so as not to be effected by bubbles The front end of the sensor must not be installed at a location w
24. ted to any particular purpose but rather to describe the functional details of the product No part of the user s manuals may be transferred or reproduced without prior written consent from YOKOGAWA YOKOGAWA reserves the right to make improvements in the user s manuals and product at any time without notice or obligation If you have any questions or you find mistakes or omissions in the user s manuals please contact our sales representative or your local distributor E Warning and Disclaimer The product is provided on an as is basis YOKOGAWA shall have neither liability nor responsibility to any person or entity with respect to any direct or indirect loss or damage arising from using the product or any defect of the product that YOKOGAWA can not predict in advance IM 19H1E2 01E lt INTRODUCTION gt iii m Symbol Marks Throughout this user s manual you will find several different types of symbols are used to identify dif ferent sections of text This section describes these icons NWARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury A CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices A IMPORTANT Indicates that operating the hardware or software in this manner may damage it or lead to system failure JUN NOTE
25. the sensor assembly is located at the designated measurement point Under normal conditions select a measurement point that satisfies the following requirements Alocation where a typical measured value of the solution to be measured can be obtained Avoid locations where the solution to be measured is unevenly distributed since it will lead to hunting for a measured value Also avoid locations where air bubbles are generated Alocation where the temperature and flow rate of the measured solution matches the usage conditions of the sensor and holder A fast flowing solution that contains sand may damage the sensor front end The distance from the surface that supports the stanchion to the surface of the solution should equal the length of the specified pipe less 1 5 m when the surface of the solution to be measured is at its lowest point For details see Figure 1 2 to 1 3 4 1 2 Selecting a Place of Installation for the PB360G Vertical Floating Ball Holder Sensors must be calibrated regularly and any dirt that attaches itself to the sensor should be removed Thus the PB360G vertical floating ball holder should be installed in locations that satisfy the following conditions Space enough to allow calibration and maintenance near the measurement point No structures that prevent moving the float from the measurement point to the maintenance location Note To move the float turn the arm bracket 360 round the stanchion pip
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