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Knick SensoGate WA 131 H, User Manual

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18

Removing a Gel-Electrolyte Sensor

Short immersion depth

Removing the Sensor

1) The sensor must only be removed in  

SERVICE position

.

2) Remove protective cap (ZU 0759) if provided.

3) Remove cable socket with cable 

(G)

.

4) Before removing the sensor, check that there is 

no liquid leaking from the outlet (process sealing 

might be defective).

5) Remove the sensor (recommended tool: 19 mm, 

e.g. Knick ZU0647 wrench).

6) Check whether slide washer 

(C)

 or O-ring 

(D)

 

(or HD gasket) on the sensor are missing or 

 damaged.

CAUTION!

When replacing damaged sensors (glass break-

age), you must check the sensor seal in the 

 immersion tube and replace it if required.

(See section “Replacing the Immersion Tube” on 

page 23.)

A

B

C

D

E

F

G

Summary of Contents for SensoGate WA 131 H

Page 1: ...SensoGate WA 131 H User Manual Sensor Lock Gate ...

Page 2: ...Electrolyte Sensor 20 Removing the Drive Unit 21 Installing the Drive Unit 22 Replacing the Immersion Tube 23 Removing the Immersion Tube 23 Installing the Immersion Tube 24 Removing and Installing the Calibration Chamber 25 SensoLock Optional 26 Installation Dimensions 27 WA 131 H for sensors with gel electrolyte 27 WA 131 H for sensors with liquid electrolyte 28 Immersion Depths 29 SensoGate WA ...

Page 3: ...nnel Safety Information SensoGate WA 131 H Process Related Risks Knick Elektronische Messgeräte GmbH Co KG assumes no liability for damages caused by process related risks known to the operator which would in fact not permit the use of the WA 131 H sensor lock gate Be sure to observe Work on the sensor lock gate must only be performed by personnel authorized by the operating company and specially ...

Page 4: ...operating company must assess and document this deviation Electrostatic charging The drive unit of specific versions of the SensoGate WA131H X contains housing components made of non con ductive plastic Due to their surface the housing components may build up an electrostatic charge To prevent this charge from becoming an effective ignition source in Zone 0 ensure that the following conditions are...

Page 5: ...f you are not sure whether the sensor lock gate can be safely used for your intended application please contact the manufacturer To ensure safe use of the equipment you must follow the instructions given in this manual and observe the specified temperature and pressure ranges The SensoGate WA 131 H sensor lock gate has been developed and manufactured in compli ance with the applicable European gui...

Page 6: ...table check valves made from different materials are available from Knick Rating Plates SensoGate WA 131 H N Drive Process SensoGate WA 131 H X Drive Process 66 IP Max pressure Temperature range 14163 Berlin Made in Germany SensoGate Retractable Fitting Drive Unit Type No 14163 Berlin Made in Germany SensoGate Type No Process Unit Max pressure Temperature range Type No See Drive Unit for Ex markin...

Page 7: ...cess seal from the process side as well as from the inside of the fitting Prevention of re contamination and safe separation to the process during probe movement Double sealings with leakage bores prevent microbial contamination of the drive Cost reduction by simple installation operation and maintenance Protective rinsing of the seals for a long service life SensoLock for high safety of operation...

Page 8: ...8 Package Contents SensoGate WA 131 H Check the shipment for transport damage and completeness The package should contain Sensor lock gate Outlet hose Documentation Specific test report ...

Page 9: ...iry pipe DN 50 C 1 Dairy pipe DN 65 C 2 Dairy pipe DN 80 C 3 Dairy pipe DN 100 C 4 Clamp 1 5 1 4404 J 1 Clamp 2 1 4404 J 2 Clamp 2 5 1 4404 J 3 Clamp 3 1 4404 J 4 Clamp 3 5 1 4404 J 5 Clamp 4 1 4404 J 6 BioControl 1 4404 DN 50 L 1 BioControl 1 4404 DN 65 L 2 Varivent 1 4404 DN 50 R 1 Varivent 1 4404 DN 65 short DN 80 long R 2 Varivent 1 4404 inclined 12 DN 50 R 4 Immersion depth Short A Long B Pne...

Page 10: ...r adjusting the measuring system and cleaning the sensor in the running process For that purpose the sensor lock gate can be moved between two positions using compressed air PROCESS position Sensor located in the process medium SERVICE position Sensor located in the calibration chamber In SERVICE position you can clean maintain calibrate or adjust the measuring system The fitting is equipped with ...

Page 11: ...nternal outlet port Length 3 meters Nominal width DN 8 Materials Hose EPDM Connection nipple PVDF O ring 8 x 1 5 FKM Viton A C B Also when you have a sensor lock gate without rinse connection you should install the included outlet hose because of the applied process pressure When the sensor moves into and out of the PROCESS position pressure is build up in the fitting Pressurized process medium th...

Page 12: ...steel O ring 8 x 1 5 EPDM O ring 4 5 x 1 5 EPDM Completely mounted outlet and inlet hoses Before connecting the inlet hose E first screw the connection piece G into the rinse connection H Before connecting the inlet hose you must remove the plug 10 mm A F D Screw the inlet hose E to the connection piece G using coupling nut F If required you can easily disconnect the hose by screwing off the coupl...

Page 13: ...d calibration chamber as well as the process adaptation Drive unit and process unit can be separated by the operator see page 21 Drive unit Process unit Sensor holder Holding bracket for sensor cable or equipotential bonding Inlet port Process adaptation e g Ingold socket Calibration chamber Upper part Calibration chamber Lower part Outlet port Connections 2x Pneumatic check back signals SensoLock...

Page 14: ...ives immersion tubes process adaptations Rotary Drives Available material 1 4404 Immersion Tube Process Adaptations Dairy pipe screw joint Ingold socket BioControl Varivent Tri Clamp for sensors with gel electrolyte 225 mm for sensors with liquid electrolyte 250 mm ...

Page 15: ...om the process make sure that it is disconnected from all process media and process pressure CAUTION Before working on the drive unit make sure that the sensor lock gate is in SERVICE position see Function Description on page 10 Indication of SERVICE or PROCESS Position Service position indicated by the sensor connector A protruding out of the drive unit Service position indicated by the rubber be...

Page 16: ...he Sensor Lock Gate on page 13 show that the calibration chamber is not tight Be sure to follow the assembly instructions step by step Preparations Check whether the sensor is damaged glass broken Never install a damaged sensor Check whether slide washer or O ring on the sensor are damaged and replace if required Remove watering cap from the sensor tip and rinse sensor with water Internally pressu...

Page 17: ...3 5 with a max torque of 3 Nm recommended tool 19 mm e g Knick ZU0647 wrench 5 Connect cable socket with cable G Hold the cable in a loop and fix it using clamp E CAUTION The cable loop must be long enough so that the cable does not impede the stroke movement of the fitting 6 Connect equipotential bonding cable to terminal F if required 7 Mount protective cap ZU 0759 if required Refer to manual fo...

Page 18: ...ck that there is no liquid leaking from the outlet process sealing might be defective 5 Remove the sensor recommended tool 19 mm e g Knick ZU0647 wrench 6 Check whether slide washer C or O ring D or HD gasket on the sensor are missing or damaged CAUTION When replacing damaged sensors glass break age you must check the sensor seal in the immersion tube and replace it if required See section Replaci...

Page 19: ... chamber must be 0 5 to 1 bar above that of the process medium Compressed air for sensor pressure chamber is conected via connection nipple U dia 6 mm Check whether the sensor is damaged glass broken Remove watering cap from the sensor tip and rinse sensor with water W E R S J F U W Installing the Sensor 1 The sensor must only be installed in SERVICE position 2 Loosen small coupling nut R do not r...

Page 20: ...position 2 Remove cable socket with cable 3 Before removing the sensor check that there is no liquid leaking from the outlet process sealing might be defective 4 Loosen small coupling nut R do not remove it 5 Unscrew large coupling nut S completely and pull the detached unit upwards 6 Remove sensor E R S E ...

Page 21: ...0 ZU 0740 accessory if required see figure Do not cant the unit and do not exert force 6 Pull off the drive unit upwards E E Wrench no 1 included in accessory ZU 0680 ZU 0740 WARNING To separate the sensor lock gate safely from the process make sure that it is disconnected from all process media and process pressure CAUTION Before working on the drive unit make sure that the sensor lock gate is in...

Page 22: ...alibration chamber and an opening C in the drive unit The coupling nut can only be tightened when the drive unit is in the correct position 2 Now tighten the coupling nut B turn clockwise hand tight or 10 Nm using wrench no 1 included in the ZU 0680 ZU 0740 accessory if required 3 Install inlet and outlet I if provided 4 Install sensor as described in section Installing and Removing a Sensor on pa...

Page 23: ...t from the process unit See Removing the Drive Unit on page 21 1 After having separated the drive unit from the process unit move the drive unit into PROCESS position 2 In PROCESS position two screws Z are accessible 3 Loosen the two screws Z by approx 4 turns using a screwdriver TX25 do not remove them 4 Turn the immersion tube T counter clockwise by approx 60 5 The bayonet coupling opens and the...

Page 24: ...not detach them if you have not done that when removing the immersion tube 3 Push the immersion tube T in direction of the arrow and insert it in the bayonet coupling Y 4 Press the tube firmly in place and turn it clockwise until the stop approx 60 5 Fasten the two screws Z using a screw driver TX25 T D E Z Y Z Note The bayonet coupling is locked by the form fit screw heads The immersion tube howe...

Page 25: ...it cali bration chamber Now the gaskets are accessible and can be checked and replaced if required Use the ZU 0746 and ZU 0747 mounting aids for mounting the gaskets and scraper rings How to handle the mounting aids is described in the respective instruction manual 4 To re install the split calibration chamber screw the parts together using plier and face pin spanner wrench and secure them with sc...

Page 26: ...all inter mediate positions the SensoLock ring is blocked This prevents operation errors Before starting maintenance work or replacing an electrode you must activate SensoLock LOCK to make sure that the sensor lock gate is in SERVICE position prevent that the sensor lock gate is accidentally moved to PROCESS position Turning the SensoLock ring to LOCK position prevents the immersion in the process...

Page 27: ... for sensors with gel electrolyte Clearance for sensor installation Approx 540 mm short immersion depth Approx 515 mm long immersion depth Approx 259 mm short immersion depth Approx 234 mm long immersion depth PG 13 5 Ø 12 Sensor 225 mm ...

Page 28: ...131 H for sensors with liquid electrolyte Clearance for sensor installation Approx 880 mm short immersion depth Approx 855 mm long immersion depth Approx 457 mm short immersion depth Approx 432 mm long immersion depth Sensor 250 mm ...

Page 29: ...iClamp process adaptations Process Adaptation Dairy Pipe DIN 11851 DN 40 DN 100 Process Adaptation Clamp 1 5 4 Long immersion depth 77 57 7 Short immersion depth 52 32 5 52 Short immersion depth 32 5 Long immersion depth 77 57 7 Note All dimensions in mm ...

Page 30: ...ivent process adaptation Process Adaptation Varivent DN 80 Long Immersion Depth Process Adaptation Varivent DN 65 Short Immersion Depth Process Adaptation Varivent DN 50 59 39 5 27 5 47 64 44 5 32 5 52 89 69 5 57 5 77 Note All dimensions in mm ...

Page 31: ...sion Depths SensoGate WA 131 H Ingold socket BioControl process adaptations Process Adaptation Ingold Socket 25 mm Process Adaptation BioControl DN 50 or DN 65 80 60 5 69 49 5 32 5 52 Note All dimensions in mm ...

Page 32: ...content for temperatures 5 15 C Class 3 pressure dew point 20 C or below Oil content Class 3 max 1 mg m3 Sensors with solid electrolyte Ø 12 mm length 225 mm with temp detector PG 13 5 thread with liquid electrolyte Ø 12 mm length 250 mm with temp detector Process adaptations Varivent 1 4404 For pipes DN 50 DN 65 short DN 80 long BioControl 1 4404 DN 50 DN 65 Dairy pipe DIN 11851 DN 40 DN 50 DN 65...

Page 33: ...ssed air is escaping replace the process wetted dynamically stressed gaskets After 10 000 20 000 probe travels You should replace the process wetted dynamically stressed gaskets After approx 2 years Particularly if you use chemically aggressive cleaning agents you should check the rinse wetted gaskets and replace them if required After approx 5 years Servicing the pneumatic drive unit and relubric...

Page 34: ...cone free On request the lubricant Paraliq GTE 703 can be applied excellent lubricating properties also at increased temperatures and for a large number of travel movements This lubricant contains silicone and is only used as special application on specific request Application Pharma Food Chemistry Wastewater Lubricant Beruglide L silicone free FDA conforming NSF H1 registered Paraliq GTE 703 cont...

Page 35: ...n socket straight for tank wall ZU 0717 Safety weld in socket beveled 15 for tank wall ZU 0718 Safety weld in socket straight adapted for DN50 ZU 0717 DN50 Safety weld in socket straight adapted for DN65 ZU 0717 DN65 Safety weld in socket straight adapted for DN80 ZU 0717 DN80 Safety weld in socket straight adapted for DN100 ZU 0717 DN100 Safety weld in socket 15 adapted for DN50 ZU 0718 DN50 Safe...

Page 36: ...w easy separation of the split calibration chamber ZU 0740 SensoGate Service Set Maintenance Repair Retrofit This set provides all tools required for comprehensive maintenance repair or retrofitting of the sensor lock gate With this set you can completely dismantle every SensoGate ZU 0647 Sensor Mounting Wrench Required for safely screwing in the sensor without over loading the PG 13 5 plastic thr...

Page 37: ... ZU 0746 mounting aid is used for easy and correct fitting of the scraper rings in the calibration chamber of the SensoGate ZU 0818 Retainer Clamp for 25mm Socket Ingold The ZU 0818 retainer clamp is only suitable for Ingold sockets It prevents unintended loosening or twisting of the coupling nut or the fitting from the tank port thus avoiding possible hazards Even if the coupling nut is not prope...

Page 38: ...DN65 adapted to DN80 ZU 0718 DN80 adapted to DN100 ZU 0718 DN100 The weld in sockets are suitable for mounting fittings with Ingold socket dia 25 mm G1 The contour optimized straight and beveled 15 weld in sockets are adapted to the nominal width of the pipeline outer diameter This minimizes the gap widths during welding The sockets are designed in a way that the thicknesses of socket and pipe wal...

Page 39: ...e safety weld in sockets are suitable for mounting fittings with Ingold socket dia 25 mm G1 to plane tank walls 15 beveled version ZU 0859 Limit Switch Electrical PE Converter The ZU 0859 limit switch converts the pneumatic limit position signals from the SensoGate WA131 WA131H into electric output signals Through a piston the pneumatic input signal actuates a spring loaded electrical push button ...

Page 40: ...ensoGate WA131 H The outlet hose serves for transporting the rinse or calibration solutions from the calibration chamber of the SensoGate YF ZU1459 1 2 Adapter for Ingold Socket 48 mm The YF ZU1459 adapter for 48 mm Ingold safety sockets enables the installation of SensoGate WA 131 H sensor lock gates made by Knick in Ingold weld in sockets made by Roche Accessories SensoGate WA 131 H ...

Page 41: ...41 Spare Parts SensoGate WA 131 H ZU 0739 Bellows The bellows for liquid electrolyte sensors only protects the fitting beneath the sensor pressure chamber against pollution and wear ...

Page 42: ...66 1 Set H 2 Process wetted sealing material FFKM FDA wetted by rinse medium FFKM FDA ZU 0844 Process connection Ingold socket H0 Set E 1 Process wetted sealing material EPDM FDA ZU 0704 1 Set E 2 Process wetted sealing material EPDM FDA wetted by rinse medium EPDM FDA ZU 0845 Set F 1 Process wetted sealing material FKM FDA ZU 0703 1 Set F 2 Process wetted sealing material FKM FDA wetted by rinse ...

Page 43: ...ee order code Rinse wetted gaskets Process wetted gaskets Process Adaptation Ingold Socket H0 see order code Rinse wetted gaskets 40x2 5 Scraper ring 215 000 420 23x2 20x2 5 11 9x2 6 20x2 5 20x2 21x2 13x1 5 8x1 5 2x 6x1 5 2x 33x2 5 Scraper ring 215 000 420 23x2 20x2 5 11 9x2 6 20x2 5 20x2 21x2 40x2 5 13x1 5 8x1 5 2x 6x1 5 2x ...

Page 44: ...nce and Servicing SensoGate WA 131 H Process wetted gaskets Rinse wetted gaskets Scraper ring 215 000 420 23x2 20x2 5 20x4 13x1 5 11 9x2 6 Process Adaptation Dairy Pipe Tri Clamp Varivent BioControl 20x2 5 40x2 5 8x1 5 2x 6x1 5 2x ...

Page 45: ...me Serial number Included accessories Knick Elektronische Messgeräte GmbH Co KG Beuckestraße 22 14163 Berlin Germany Phone 49 0 30 801 91 0 Fax 49 0 30 801 91 200 E mail knick knick de Internet www knick de The product being returned is new unused or has not been exposed to hazardous substances The product has been exposed to hazardous substances Please preferably state the classification of the h...

Page 46: ...46 Notes SensoGate WA 131 H ...

Page 47: ...47 Notes SensoGate WA 131 H ...

Page 48: ...Knick Elektronische Messgeräte GmbH Co KG Beuckestraße 22 14163 Berlin Germany Phone 49 30 80191 0 Fax 49 30 80191 200 Email info knick de Web www knick de 20200622 2020 Subject to change 097337 ...

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