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SensoGate WA131M User Manual Manual Retractable Fitting Read before installation. www.knick-international.com Keep for future use.
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SensoGate WA131M Supplemental Directives READ AND SAVE THIS DOCUMENT FOR FUTURE REFERENCE. BEFORE ATTEMPTING TO ASSEMBLE, INSTALL, OPERATE OR MAINTAIN THE PRODUCT, PLEASE ENSURE A COMPLETE UNDERSTANDING OF THE INSTRUC- TIONS AND RISKS DESCRIBED HEREIN. ALWAYS OBSERVE ALL SAFETY INFORMATION. FAILURE TO COMPLY WITH INSTRUCTIONS IN THIS DOCUMENT COULD RESULT IN SERIOUS INJURY AND/OR PROPERTY DAMAGE.
“operating company”) may be conducted, subject to the requirements set forth herein, by placing the product into the service position (SERVICE limit position). If the product is used with any product or part not authorized by Knick, the operating company assumes all risks and liabilities related thereto.
Process medium escaping from the leakage bores indicative of damage to the calibration chamber’s O- rings. This damage can be detected and repaired. The availability of safeguards is in part dependent on the version of the SensoGate WA131M. Product Code, p. 12 ➜...
Safety Accessories, p. 8 ➜ Operating the SensoGate WA131M without a retainer or locking clamp is at the risk of the operating company. The operating company must take action to rule out the possibility of the screw joint cou- pling nut accidentally loosening.
This serves to in- crease safety during operation of the retractable fitting. The retainer clamp wires connect the drive unit of the SensoGate WA131M to the coupling nut. The locking lugs on the retainer clamp engage in the grooves of the...
To avoid mechanically generated sparks, handle the SensoGate WA131M-X with care and take suitable protective action, e.g., use covers and pads. The metallic parts of the SensoGate WA131M-X must be connected to the plant’s equipotential bond- ing system using the metallic process connection and the grounding connection provided for that purpose.
SensoGate WA131M Mechanically Generated Sparks Single impacts on metal parts or collisions between metal parts of the SensoGate WA131M-X are not a potential ignition source if the following conditions are met: • Possible impact velocity is less than 1 m/s. • Possible impact energy is less than 500 J.
• EU Declaration of Conformity • EU Type Examination Certificate 2.2 Product Identification The different versions of the SensoGate WA131M are encoded in a model designation. The model designation is stated on the nameplate, the delivery note, and the product packaging. Nameplates, p. 14 ➜...
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For immersion depths A, K, L, M, and pH sensor type 1. Special option, lead time on request For the following materials only: 1.4571, Hastelloy, titanium, PEEK This version requires an adapter for connection to the sight glass fitting. The adapter is part of the Knick sight glass fitting.
SensoGate WA131M 2.3 Nameplates The SensoGate WA131M is identified by nameplates on the drive unit and the process unit. The infor- mation provided on the nameplates varies according to the version of the SensoGate WA131M. Nameplate, Version With Ex Approval Note: The figure shows a nameplate for the SensoGate WA131M-X version by way of example.
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SensoGate WA131M Nameplate, Version Without Ex Approval Note: The figure shows a nameplate for the SensoGate WA131M-N version by way of example. WA131M-N0A***AA*1-000 2203710 / 1907 ® SensoGate Process Unit 14163 Berlin Made in Germany Type WA131M-N*AAN1**1*-000 2203708 / 1906...
IP66 protection: The product is dust-tight and offers complete protection against contact as well as pro- tection against strong water jets. Safety lock button marked “PRESS”. Used to unlock the SensoGate WA131M at the SERVICE or PROCESS limit positions for the purpose of moving to the service position (SERVICE limit position) or the process position (PROCESS limit position).
SensoGate WA131M 2.5.1 Retractable Fitting Note: The figure shows an example version of the SensoGate. Product Code, p. 12 ➜ 1 Drive unit 8 Inlet port 2 Process unit 9 Immersion tube 3 Protection sleeve 10 Process connection (e.g., Ingold socket)
SensoGate WA131M 2.5.2 Drives and Sensor Holders Note: The figure shows a selection from the product line. Product Code, p. 12 ➜ 1 Drive, short ID , solid-electrolyte sensor (225 mm) 3 Drive, short ID , liquid-electrolyte sensor (250 mm) 2 Drive, long ID , solid-electrolyte sensor (225 mm)
It is recommended that changes to the SensoGate WA131M be carried out by the Knick Repair Service. After making the necessary changes, a functional and pressure test is carried out and, if necessary, a modified nameplate is attached.
• The desired process parameters can be measured. When using versions of the SensoGate WA131M with electronic limit signal, a contact is closed when a limit position is reached at the limit switch. An electrical signal, e.g., at the control center, can be dis- played when the limit position is reached.
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SensoGate WA131M Limit Switch Note: The limit switch is only available on versions of the SensoGate WA131M with electronic limit sig- nal. Product Code, p. 12 ➜ 30 Ω 30 Ω The limit switch (1) is a “simple apparatus” as defined in EN 60079-11 for use in explosive atmospheres up to Zone 0.
Dimension Drawings, p. 55 ➜ Note: The installation angle of the SensoGate WA131M depends on the sensor type. An installa- tion angle of up to 10° above the horizontal plane is permissible for all sensor types. An installa- tion angle upside down (see view A) is only permitted if using sensors approved for upside-down operation.
Upside-Down Installation If installing the SensoGate WA131M upside down, lay the outlet hose in an arc above the level of the calibration chamber. This prevents gravity from causing the calibration chamber to leak. 1 Calibration chamber...
Accessories, p. 50 ➜ Note: When using versions of the SensoGate WA131M with inlet port, the sealing insert or the inlet hose must be installed at the inlet for safe operation. As delivered, the inlet port is sealed with a seal- ing insert.
Follow the safety instructions. Safety, p. 5 ➜ Note: Upon request, Knick will provide safety briefings and product training during initial commis- sioning of the product. More information is available from the relevant local contacts. Install the SensoGate WA131M.
5 Operation 5.1 Moving into the Process Position (PROCESS Limit Position) Note: When the process position (PROCESS limit position) is reached, this is indicated in different ways depending on the SensoGate WA131M version. Service/Process Limit Positions, p. 20 ➜ Note: The safety lock button pops out when the process position (PROCESS limit position) is reached (see detail B).
SensoGate WA131M 5.2 Moving into the Service Position (SERVICE Limit Position) Note: When the service position (SERVICE limit position) is reached, this is indicated in different ways depending on the SensoGate WA131M version. Service/Process Limit Positions, p. 20 ➜ Note: The safety lock button pops out when the service position (SERVICE limit position) is reached (see detail B).
Note: The outlet is used to discharge trapped rinse medium and must not be closed. By moving the SensoGate WA131M to the limit positions, pressurized process medium may enter the calibration chamber. When the outlet is closed, this process medium may be compressed and splash out during a sensor replacement.
Note: On versions with rinse connection, rinse the sensor prior to removal in order to prevent entrain- ment of chemically aggressive process medium in the area of the sensor holders. Move the SensoGate WA131M into the service position (SERVICE limit position). Moving into the Service Position (SERVICE Limit Position), p.
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SensoGate WA131M Move the SensoGate WA131M into the service position (SERVICE limit position). Moving into the Service Position (SERVICE Limit Position), p. ➜ Check outlet and leakage bores for escaping process medium. If process medium escapes: Stop the process (depressurize if necessary) and perform troubleshooting.
Note: On versions with rinse connection, rinse the sensor prior to removal in order to prevent entrain- ment of chemically aggressive process medium in the area of the sensor holders. Move the SensoGate WA131M into the service position (SERVICE limit position). Moving into the Service Position (SERVICE Limit Position), p.
Note: To ensure that the electrolyte flows from the reference electrode to the process medium, the air pressure in the pressure chamber must be 0.5 to 1 bar above that of the process medium. Move the SensoGate WA131M into the service position (SERVICE limit position). Moving into the Service Position (SERVICE Limit Position), p.
Note: In the case of inclined installation, turn the electrolyte filling hole towards the top to pre- vent electrolyte from flowing out during operation of the SensoGate WA131M. Observe any devi- ating direction of installation specified by the sensor manufacturer.
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SensoGate WA131M Pull out the sensor (3). Note: Hold the sensor’s filling hole (4) upward at an inclined angle during removal to prevent electrolyte from escaping. Follow the instructions in the sensor manufacturer’s documentation. During transport and storage, close the sensor’s filling hole with the cap.
Repeat the functional test every 12 months. As applicable, adjust the interval to match the specific application for which the SensoGate WA131M is used. The stated intervals are general recommendations based on Knick’s experience. The actual intervals are dependent on the specific application for which the SensoGate WA131M is used.
Note: The safeguard “Immersion Lock Without a Mounted Liquid-Electrolyte Sensor” can be seen at the yellow indicator ring above the bellows (1). Safeguards, p. 6 ➜ Move the SensoGate WA131M into the service position (SERVICE limit position). Moving into the Service Position (SERVICE Limit Position), p. ➜ Loosen the small coupling nut (4) a little;...
SensoGate WA131M 6.2 Preventive Maintenance 6.2.1 Approved Lubricants Application Pharma and Food Chemicals and Wastewater Lubricant Beruglide L Paraliq GTE 703 Syntheso Glep 1 (silicone-free) (containing silicone) (silicone-free) Elastomer seal materials FFKM EPDM FKM – FDA FFKM – FDA EPDM – FDA Note: Lubricant Paraliq GTE 703 contains silicone and has good lubricating properties even at ele- vated temperatures and with numerous travel movements.
Safely disconnect the SensoGate WA131M from the process. Retractable Fitting: Removal, p. 46 ➜ Move the SensoGate WA131M into the service position (SERVICE limit position). Moving into the Service Position (SERVICE Limit Position), p. ➜ As necessary, remove the sensor (3). ...
SensoGate WA131M 6.3.3 Drive Unit: Assembly Note: The radial installation position of the drive unit is determined by a coding pin in the calibration chamber and a hole in the drive unit. The coupling nut can be tightened only if the drive unit is cor- rectly inserted into the process unit.
SensoGate WA131M 6.3.4 Immersion Tube: Removal Remove the drive unit (1). Drive Unit: Removal, p. 38 ➜ Move the drive unit to the process position (PROCESS limit position). The sensor must be in- stalled first. Moving into the Process Position (PROCESS Limit Position), p. 26 ➜...
SensoGate WA131M 6.3.5 Immersion Tube: Installation Install the sensor. Installing and Removing Sensors, p. 28 ➜ Move the drive unit to the process position (PROCESS limit position). Moving into the Process Position (PROCESS Limit Position), p. 26 ➜ Check the O‑ring (3)
SensoGate WA131M 6.3.6 Calibration Chamber: Removal Note: Service sets ZU0754 or ZU0740 are required to remove the calibration chamber. Tools, p. 54 ➜ Remove the process unit from the drive unit. Drive Unit: Removal, p. 38 ➜ Remove the screws (1) with a screwdriver of type TX25. Keep the screws (1)
✔ 6.3.8 Knick Repair Service The Knick Repair Service offers professional corrective maintenance for the product to the original quality. Upon request, a replacement unit can be obtained for the period of the repair. Further information can be found at www.knick.de.
➜ Corrosion or contamination by Perform emergency release. process medium. Retractable Fitting: Emergency Release, p. 45 ➜ Clean the SensoGate WA131M or send it to your local contact for repair. knick.de ➜ “Immersion Lock Without Corrosion or clogging by pene- Send the SensoGate WA131M to your local Mounted Sensor”...
SensoGate WA131M 8 Retractable Fitting: Emergency Release WARNING! Process or rinse medium, potentially containing hazardous substances, may es- cape from the SensoGate WA131M or the process port. Follow the safety instructions. Safety, p. 5 ➜ WARNING! The emergency release deactivates the safeguard “Immersion Lock Without Mounted Sensor”...
Operation in Hazardous Locations, p. 9 ➜ WARNING! Process or rinse medium, potentially containing hazardous substances, may es- cape from the SensoGate WA131M or the process port. Follow the safety instructions. Safety, p. 5 ➜ Stop the process; depressurize or drain off the process medium if necessary.
SensoGate WA131M 10 Spare Parts, Accessories, and Tools 10.1 Seal Kits The seal kits are available in different materials. The smaller seal kits (“Set X/1”) only contain O-rings for direct contact with the process medium. The extended seal kits (“Set X/2”) also include O-rings for contact with the rinse medium.
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SensoGate WA131M Seal Kits for Flange or Dairy-Pipe Process Connection Note: All dimensions are given in millimeters. Process-wetted Rinse-wetted O-rings O-rings Scraper ring 215.000-420 23x2 13x1.5 11.9x2.6 20x2.5 8x1.5 40x2.5 20x2.5 215.000-420 23x2 Seal Kits for Ingold-Socket Process Connection Note: All dimensions are given in millimeters.
SensoGate WA131M 10.3 Accessories ZU0759 and ZU0759/1 Protective Cap The protective cap protects against the effects of weather exposure and prevents the ingress of external liquids or particles into the area of the sensor connections. ZU0759: suitable for versions with solid-electrolyte sensors...
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SensoGate WA131M ZU0718/DN (15° Incline) Weld-In Socket for Pipelines for connecting with Ingold socket (Ø 25 mm, G1¼) adapted to DN50 ZU0718/DN50 adapted to DN65 ZU0718/DN65 adapted to DN80 ZU0718/DN80 adapted to DN100 ZU0718/DN100 Weld-in sockets with an HSD (Handling Safety Design) safety function feature spe- cial grooves on the sealing surface for the process connection O-ring.
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The retainer clamp prevents the coupling nut of the Ingold socket (25 mm) screw joint from accidentally coming loose. The wires of the retainer clamp connect the SensoGate WA131M to the cus- tomer’s process port. A locking lug on the retainer clamp engages in the groove of the coupling nut (form‑fit).
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This serves to in- crease safety during operation of the retractable fitting. The retainer clamp wires connect the drive unit of the SensoGate WA131M to the coupling nut. The locking lugs on the retainer clamp engage in the grooves of the coupling nut (form-fit) and secure the screw joint.
ZU0746 Accessory Tool for Scraper Ring The ZU0746 accessory tool allows easy and correct fitting of the scraper rings in the calibration chamber of the SensoGate WA131M. ZU0747 Accessory Tool for O-Rings 20 x 2.5 The ZU0747 accessory tool allows easy and correct fitting of the O‑rings 20 x 2.5 in the calibration chamber of the SensoGate WA131M.
SensoGate WA131M 11 Dimension Drawings Retractable Fitting for Solid-Electrolyte Sensor, Short Immersion Depth Note: All dimensions are given in millimeters [inches].
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SensoGate WA131M Retractable Fitting for Solid-Electrolyte Sensor, Long Immersion Depth Note: All dimensions are given in millimeters [inches].
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SensoGate WA131M Retractable Fitting for Liquid-Electrolyte Sensor, Short and Long Immersion Depth Note: All dimensions are given in millimeters [inches].
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SensoGate WA131M G1 male Short and long immersion depth (ID) G1 ½″ male Short and long immersion depth (ID) SW55 A/F [2.17] G1 1/2 G1 ¼″ male Short and long immersion depth (ID) SW49 A/F [1.93] G1 1/4...
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SensoGate WA131M Clamp 1.5″ and clamp 2″ Short and long immersion depth (ID) 1″ NPT male Short and long immersion depth (ID) A/F [1 11/16 NPT1...
SensoGate WA131M 12 Specifications Permissible process pressure and temperature, general 1.4571/Hastelloy/titanium process connec- tion 10 bar (150 psi) 0 … 140 °C (32 … 284 °F) PEEK HD process connection 10 bar (150 psi) 0 … 140 °C (32 … 284 °F) PVDF HD process connection 10 bar (150 psi) 0 … 120 °C (32 … 248 °F) 6 bar (90 psi) 120 … 140 °C (248 … 284 °F), max. 30 min PEEK/PVDF process connection 6 bar (90 psi)
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SensoGate WA131M Abbreviations Width across flats ATEX Atmosphères Explosibles (explosive atmospheres) Conformité Européenne (European conformity) Classification, labeling, and packaging Deutsches Institut für Normung (German Institute for Standardization) Diamètre nominal (nominal size) EPDM Ethylene propylene diene monomer rubber European Union U.S. Food and Drug Administration...
SensoGate WA131M Glossary CE Marking Manufacturer’s declaration, in accordance with EU Regulation 765/2008, that the product is in conformity with the appli- cable requirements set out in the European Union harmonization legislation providing for its affixing. Corrective Maintenance Measures taken to return an item under review to an operational condition, with the exception of improvements.
SensoGate WA131M Index Accessories First inspection Accessory tool Flange protector Accompanying slip, seal kit Functional description, retractable fitting Ambient temperature Functional test ATEX certificate Immersion lock without a liquid-electrolyte sensor 36 Immersion lock without a solid-electrolyte sensor 35 Bellows Gasket material...
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Knick Elektronische Messgeräte GmbH & Co. KG Beuckestraße 22 14163 Berlin Germany Phone: +49 30 80191-0 Fax: +49 30 80191-200 info@knick.de www.knick-international.com Translation of the original instructions Copyright 2024 • Subject to change Version 9 • This document was published on September 01, 2023.
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