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Sensors with Liquid Electrolyte

SensoGate WA 133

Note:

Observe the user manual of the sensor.

In the case of inclined installation, turn the elec-

trolyte filling hole

(W)

of the sensor towards

the top to prevent electrolyte from flowing out.

Check whether the sensor is damaged

(glass broken?).

Remove the watering cap from the sensor tip

and rinse the sensor with water.

1. Before installing the sensor, make sure

that the retractable fitting is in

SERVICE

position

(see page 17 for information on

installing or removing a sensor).

2. Loosen the small coupling nut

(R)

– do not

remove it.

3. Unscrew and remove the large coupling

nut

(S)

and pull the detached sensor holder

upwards.

4. Insert the sensor

(A)

through the gaskets

and Teflon washers.

Push the sensor downwards.

Carefully continue pushing the sensor

against the resistance of the gasket in the

immersion tube until it reaches the stop

position.

5. Replace the sensor holder you have

detached in step 3.

Hand-tighten the large coupling nut

(S)

and

then the small coupling nut

(R)

6. Connect the air pressure for the sensor

pressure chamber to the NW 6 connection

nipple

(AL)

7. Connect the cable jack.

Hold the cable in a loop and fix it using

clamp

(E)

Note:

The cable loop must be long enough

so that the cable does not impede the

stroke movement of the retractable fitting.

8. Connect the equipotential bonding cable to

terminal

(F)

(if required).

Conditions:

• Sensor: 250 mm, Ø 12 mm, e.g., Knick SE 551
• Air pressure in the sensor pressure chamber: 0.5 to 1 bar above that of the process medium to

ensure that the electrolyte flows from the reference electrode to the process medium

Installing the Sensor

Содержание SensoGate WA 133 Series

Страница 1: ...The Art of Measuring Latest Product Information www knick de SensoGate WA 133 Retractable Fitting with PTFE Process Adaptation User Manual ...

Страница 2: ...ersion Depth 18 Installing the Sensor 18 Removing the Sensor 19 Long Immersion Depth 20 Installing the Sensor 20 Removing the Sensor 21 Sensors with Liquid Electrolyte 22 Installing the Sensor 22 Removing the Sensor 23 Drive Unit 24 Removing the Drive Unit 24 Installing the Drive Unit 25 Immersion Tube 26 Replacing the Immersion Tube 26 Removing the Immersion Tube 27 Installing the Immersion Tube ...

Страница 3: ...r Pressure When the retractable fitting is operated with chemically aggressive process or cleaning solutions under pressure it should be equipped with the SensoLock safety function CAUTION Using Water from Drinking Water Pipes for the Water Connection Observe the general requirements of protection devices to prevent pollution of potable water EN 1717 We recommend installing a check valve on the wa...

Страница 4: ...y build up an electrostatic charge To prevent this charge from becoming an effective ignition source in Zone 0 ensure that the following conditions are met Highly efficient charge generating mechanisms are excluded Non metallic components are cleaned with a moist cloth only Mechanically generated sparks Single impacts on metal parts or collisions between metal parts of the SensoGate WA133 X are no...

Страница 5: ...serve the Specifications and follow the safety instructions Observe the safety precautions given in the user manual 7 bar 7 bar e in Germany pecs see manual Berlin 66 IP ate o 7 bar 7 bar 70 C 0044 Made in Germany For Ex specs see drive unit KEMA 07 ATEX 0065 SensoGate Type Type No No Insertion fitting 0044 Ingress protection of the housing against dust and humidity Outlet symbol Inlet symbol Symb...

Страница 6: ...d poisoning Cadmium Lung irritant Particularly hazardous as smoke Chlorine Lung irritant Particularly hazardous as gas Chromium VI Carcinogenic Enzymes Immune sensitizing Isocyanates Immune sensitizing Fibrogenic Asphyxiating Rosin Immune sensitizing Particularly hazardous as smoke Methane Asphyxiating Mercury Blood poisoning Sulfur dioxide Lung irritant Silicon dioxide Fibrogenic Particularly haz...

Страница 7: ...le fitting allows immersing and retracting the sensor under process pressure retractable fitting calibrating or adjusting the measuring system under process conditions pressure and temperature cleaning the sensor in the running process replacing the sensor in the running process in Service position variable process adaptation by the customer The retractable fitting is suitable for installing the f...

Страница 8: ...y Drive Process SensoGate WA 133 X Drive Process SensoGate WA 133 N 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 66 IP Max pressure Temperature range 14163 Berlin Made in Germany Sensogate Retractable Fitting Drive Unit Type No 0044 KEMA 04 ATEX 4035X II 1 G Ex h IIC T6...

Страница 9: ...r plane flange glass U A Loose flange 1 4571 DN50 for plane flange glass U 1 Immersion depth Short A Long B Pneumatic connection Without electrical limit signal A With electrical limit signal B Rinse media connection Inlet with PFA hose coupling NW4 6 outlet with PFA hose coupling NW6 8 outlet hose made of PTFE 3m 3 SensoLock Without 0 With 1 Special version Without 0 0 0 Equipped with special gre...

Страница 10: ...tion chamber These liquids leave the calibration chamber through an outlet hose i e they are displaced from the calibration chamber by following liquids Control Air and Feedback The pneumatic retractable fitting is controlled by introducing compressed air The compressed air hoses have an outer hose diameter of Ø6mm and are connected to push in fittings The icons indicate the travel direction of th...

Страница 11: ...protects the sensor The process unit comprises the process wetted calibration chamber and the process adapta tion e g flange Drive unit and process unit can be separated see Drive Unit Disassembly chapter Drive unit Process unit Fixing bracket Coupling nut Calibration chamber Immersion tube Leakage bore Outlet Sensor holder Process adaptation SensoLock Connectors 2x for control air Flange bushing ...

Страница 12: ...on depth Sensors with solid electrolyte Long immersion depth Sensors with solid electrolyte Short immersion depth Sensors with liquid electrolyte Drive Units Process adaptation DIN and ANSI loose flanges Immersion Tubes Process Adaptation Long Short Bayonet coupling Material stainless steel 1 4571 Immersion tube Material PTFE ...

Страница 13: ...ESS position and all inter mediate positions the ring is secured Before starting maintenance work or replacing a sensor 1 Move the retractable fitting to the SERVICE position 2 Twist the ring to the lock position Twisting the ring to the lock position prevents the immersion in the process when the sensor has been removed After having installed a sensor you unlock the travel movement by twisting th...

Страница 14: ...hose cou pling AE The outlet is marked with the following symbol I 2 Connect the inlet hose AZ using the hose coupling AE The inlet is marked with the following symbol AE AF Mounting the Retractable Fitting Possible mounting angle 15 above horizontal Mounting angle 360 i e even upside down for special sensors only containing thickened electrolytes which thus cannot flow 15 15 Installing the Outlet...

Страница 15: ...lder SO The SERVICE position is indi cated by the service cap L protruding out of the exten sion The SERVICE position is indi cated by the rubber bellows B being expanded Short immersion depth Solid electrolyte sensor Short immersion depth Liquid electrolyte sensor Long immersion depth Solid electrolyte sensor J B L The following illustrations clearly show the SERVICE position AD SO MT ...

Страница 16: ...lid electrolyte sensor The PROCESS position is indicated by the sensor connector not protruding out of the drive unit AD The PROCESS position is indi cated by the service cap not protruding out of the extension V The PROCESS position is indicated by the rubber bel lows B being compressed B The following illustrations clearly show the PROCESS position V AD ...

Страница 17: ...ed sensor Check whether the slide washer or O ring on the sensor are damaged and replace if required Remove the watering cap from the sensor tip and rinse the sensor with water When the sensor has a silicone seal on the junction as transport protection remove this seal using a knife Follow the assembly instructions given in this manual step by step NOTICE Sensor Installation or Removal by Qualifie...

Страница 18: ...ot damaged 3 Insert the sensor and screw in the sensor head J 19 mm A F PG 13 5 thread with a max torque of 3 Nm recommended tool 19 mm mounting wrench e g Knick ZU 0647 Note When tightening the sensor you must overcome the elastic force of the internal sensor monitoring 4 Connect the cable jack G Hold the cable in a loop and fix it using clamp E Note The cable loop must be long enough so that the...

Страница 19: ...f protective cap 2 Remove the cable jack G 3 Before removing the sensor check that there is no liquid leaking from the outlet process seal ing might be defective 4 Remove the sensor recommended tool 19 mm mounting wrench e g Knick ZU 0647 5 Check whether the slide washer C or the O ring D are damaged NOTICE Glass Breakage When replacing damaged sensors glass bro ken be sure to check the sensor gas...

Страница 20: ...c force of the internal sensor monitoring 4 Thread the cable jack G through the extension V Note The cable loop must be long enough so that the cable does not impede the stroke movement of the retractable fitting When the cable is installed for the first time you must first pull off the split red service cap L 5 Connect the cable jack G with the sensor plug connection with coupling nut 6 Attach th...

Страница 21: ...ive cap 3 Rotate the extension V counterclockwise This unlocks the bayonet coupling 4 Note The extension V can only be unlocked in SERVICE position safety function 5 Pull off the extension V in direction of the arrow Now you can see the cable jack G 6 Disconnect the cable jack G from the sensor 7 Screw off the sensor head J 19 mm PG 13 5 and pull out the sensor recommended tool 19 mm mounting wren...

Страница 22: ...eflon washers Push the sensor downwards Carefully continue pushing the sensor against the resistance of the gasket in the immersion tube until it reaches the stop position 5 Replace the sensor holder you have detached in step 3 Hand tighten the large coupling nut S and then the small coupling nut R 6 Connect the air pressure for the sensor pressure chamber to the NW6 connection nipple AL 7 Connect...

Страница 23: ...ge17 for information on installing or removing a sensor 1 Remove the cable jack 2 Before removing the sensor check that there is no liquid leaking from the outlet process sealing might be defective 3 Loosen the small coupling nut R do not remove it 4 Unscrew and remove the large coupling nut S and pull the detached unit upwards 5 Carefully pull out the sensor A R S A ...

Страница 24: ...VICE position 2 Make sure that no process fluid is leaking from the outlet I 3 If required remove the sensor as described see Sensors chapter 4 Separate the outlet and rinse connection if required 5 Carefully turn the coupling nut AH counterclockwise using the ZU 0680 accessory wrench MS if required see figure Take care to not cant the unit 6 Pull off the drive unit AD upwards to separate it from ...

Страница 25: ... a coding pin O in the calibration chamber and an opening AJ 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 AH turn clockwise hand tight or 10 Nm using the ZU 0680 accessory wrench MS if required 3 If required remove the sensor as described see Sensors chapter P O AH AJ MS Installing the Drive Unit Mounting wre...

Страница 26: ...he immersion tube and is non rotatably con nected to the tube body see the centerline in the figure below This fixed alignment is imperative to ensure that the retractable fitting can be easily installed and the sensor can be properly rinsed If the endpiece is not properly aligned or can be twisted the tube is defective In this case you must replace the immersion tube High process pressures and hi...

Страница 27: ... Immersion Tube SensoGate WA 133 Z T D 2 Turn the immersion tube T counterclockwise by approx 60 3 The bayonet coupling opens so you can pull out the immersion tube T in direction of the arrow 4 Now the O ring D sensor gasket is visible Check and replace if required O ring dimensions 11 9x2 6mm Conditions First separate the immersion tube from the process adaptation see Removing the Drive Unit cha...

Страница 28: ...oo far the immersion tube cannot be installed correct if required 5 Push the immersion tube T in direction of the arrow and insert it in the bayonet coupling Y Note The bayonet coupling is locked by the form fit screw heads The immersion tube however remains movable to compensate for tolerances Z D A T Y T Z 6 Press the tube in place and turn it clock wise until the stop approx 60 7 Fasten the two...

Страница 29: ...move the two screws AK from the calibration chamber using screwdriver TX25 K P N 3 Pull the calibration chamber K vertically out of the process adaptation P 4 Push the flange bushing N downwards out of the process adaptation Now the gaskets are accessi ble and can be checked and replaced if required AK AK Removing the Calibration Chamber AM AV ...

Страница 30: ...aptation P 2 Always secure the calibration chamber with both screws AK AI P K AI AK AK 3 Install the loose flange LF if required Screw in the inlet and outlet AM connectors 4 Insert the flange bushing N in the process adaptation P in direction of the arrow 5 When you push the flange bushing N in the process adaptation P you can feel how the sealing strip snaps in P AM ...

Страница 31: ...31 Installation Dimensions SensoGate WA 133 237 mm 12 mm PG 13 5 PG 13 5 WA 133 Short Immersion Depth for Sensors With Solid Electrolyte ...

Страница 32: ...32 Installation Dimensions SensoGate WA 133 WA 133 for Sensors with Liquid Electrolyte 435 mm 855 mm Freiraum für Sensormontage clearance for sensor installation PG 13 5 PG 13 5 12 mm ...

Страница 33: ...20 mm clearance for sensor installation 12 mm PG 13 5 PG 13 5 Freiraum ca 625 mm für Sensorkabelbogen bzw bei der Verwendung der Schutzhaube ZU 0759 approx 625 mm clearance for sensor cable loop or protective cap ZU 0759 376 mm WA 133 Long Immersion Depth for Sensors With Solid Electrolyte ...

Страница 34: ...on Dimensions SensoGate WA 133 78 mm kurz 133 mm lang 78 mm short 133 mm long 55 mm kurz 110 mm lang 55 mm short 110 mm long Process Adaptation Loose flange DIN DN32 DN100 ANSI 316 1 3 short and long immersion depth ...

Страница 35: ...nlet Female thread G1 8 with PFA hose coupling for hose with 6 mm outside Ø 4 mm inside Ø Outlet Female thread G1 4 with PFA hose coupling for hose with 8 mm outside Ø 6 mm inside Ø for pressurized sensors Hose connection NW 6 mm pressure in calibration chamber 0 5 1 bar above process pressure max 7 bar for compressed air Push in fitting for pneumatic hose 6 mm Ø control air for retractable fittin...

Страница 36: ...tenance intervals are rough recommendations Due to the differing process conditions pressure temperature chemically aggressive media etc we can only give recommendations for maintenance intervals Servicing the Immersion Tube N High process pressures and high process temperatures can cause the immersion tube to shrink known creep tendency of PTFE Remove the retractable fitting from the process to s...

Страница 37: ...03 containing silicone FDA compliant USDA H1 Syntheso Glep 1 silicone free Materials of elastomeric gaskets FKM FFKM EPDM FKM FDA FFKM FDA EPDM FDA means suitable means not suitable Maintenance SensoGate WA 133 The drive unit must be removed for example for general maintenance or inspection to clean the calibration chamber e g after a sensor has broken to change the sensor calibration chamber gask...

Страница 38: ...wetted gasket material FKM FDA F ZU1025 2 Set H 1 Process wetted gasket material FFKM FDA F ZU1026 1 Set H 2 Process wetted rinse wetted gasket material FFKM FDA F ZU1026 2 Set K 1 Process wetted gasket material FFKM F ZU1027 1 Set K 2 Process wetted rinse wetted gasket material FFKM F ZU1027 2 Sealing Kits for Maintenance and Servicing Note The sealing kits come with detailed illustrations for in...

Страница 39: ...ion of liquids or particles into the area of the electrical connector of a sensor e g due to weather exposure during outdoor use Note Can only be used with retractable fittings for solid electrolyte sensors Note Use only accessories and spare parts from Knick or a company authorized byKnick For ordering use the part numbers beginning with F ZU e g F ZU0680 F ZU0739 Bellows The bellows for liquid e...

Страница 40: ...ame 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 ...

Страница 41: ...e set basic 38 F ZU0713 hose 38 F ZU0739 bellows 38 F ZU0759 protective cap 38 F ZU0859 electrical limit switch 38 F ZU1032 immersion tube short 38 F ZU1033 immersion tube long 38 G Gasket material 37 Gaskets 37 Glass breakage 16 Guiding edges of calibration chamber 29 H Hazardous locations 34 Hazardous locations electrostatic charging 3 Hose connection 13 Hose extension 38 Hose installation 13 Ho...

Страница 42: ...rmation 3 Screwdriver TX 25 26 Screws immersion tube 26 Sealing kits 37 SensoLock safety function 12 Sensor gasket 26 Sensor head 14 Sensor holder 14 Sensor length 6 Sensor monitoring 19 Sensor mounting wrench 38 Sensors pressurized 34 Sensors technical data 34 Sensor with liquid electrolyte installation 21 Sensor with liquid electrolyte removal 22 Sensor with solid electrolyte installation 19 Sen...

Страница 43: ...43 Annotations SensoGate WA 133 ...

Страница 44: ...ektronische Messgeräte GmbH Co KG Beuckestraße 22 14163 Berlin Germany Phone 49 30 80191 0 Fax 49 30 80191 200 Email info knick de Internet www knick de TA 215 501 KNEN02 20200623 2020 Subject to change 097348 ...

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