8201 BURKERT | Alldatasheet

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Visit product website  DATA SHEET Type 8619  multiCELL - Multi-chan- nel and multi-function transmitter/controller Type 8200  Armatures for analytical sensors 1000075647 | Standard | EU | en | 202112 | 23 pH measuring system for hygienic applica- tions

  • Special glass-free probe for measuring pH to be connected to Type 8619 multiCELL
  • Sterile design, CIP-compatible, in-line sterilizable
  • Robust and unbreakable construction
  • Long service life, long calibration intervals
  • Especially suitable when preparing foods and drinks The type 8201 pH measuring system is suitable for measuring absolute pH values in liquids between pH 0 and pH 12 at medium t emperatures of up to 140°C and process pressures of max. 6 bar. Due to its hygienic design and the robust glass-free construction, this model is particularly suitable for use in hygienic processes. An example would be the production of foods and active ingredients, during which the pH value of liquid mediums - including those which are viscous or contain solids - is measured. The pH electrode's extremely smooth enamel surface prevents the medium from sticking and is very easy to clean in line. Due to its robust design and high temperature and chemical tolerance, the electrode stays in the process even during a CIP purification. This means that expensive retractable fittings can be dispensed with. Product variants described in the data sheet may differ from the product presentation and description. Type descriptionCan be combined with Type 8201 © Christian Bürkert GmbH & Co. KG, Subject to alteration

2 | 15 Visit product website  Table of contents 1. Gener al Technical Data 3 Approvals 2.2. P ressure Equipment Directive Device used on a pipe Device used on a vessel 3. Materials 5 4. Dimensions 6 Probe without adaptation Probe with adaptation set PG 13.5 for pH armature Type 8200 Probe with adaptation set for fitting Type 8201, welding tab DN 25 version Probe with adaptation set for fitting Type 8201, welding tab DN 30 version Probe with adaptation set for flange connection adapted for GEA Tuchenhagen VARINLINE process connection Probe with adaptation set for clamp 2" external Ø 64 mm 4.2. Fittings Type 8201 Welding tab DN 25, sloped Welding tab DN 25, straight Welding tab DN 30 4.3. Electr olyte vessel 5. Performance specifications 10 5.2. pH/t emperature diagram 6. P roduct installation 11 7. P roduct operation 11 8. P roduct accessories 12 8.2. Maintenance sets 9. Or dering information 13 9.2. Recommendation regarding product selection 9.3. Bürkert product filter 9.4. Ordering chart 9.5. Ordering chart accessories

3 | 15 Visit product website  1. Gener al Technical Data The complete measuring system consists of the pH probe, an adaptation set, a fitting, the reservoir with hose for the electrolyte solu- tion, the electr olyte solution and the electric cable for connecting to a suitable transmitter. The pH probe Type 8201 is supplied without adaptation. According to the chosen fitting/armature the appropriate adaptation set has t o be selected. Different hygienic fittings (Type 8201) or for general purpose

applications

selected. See data sheet Type 8200 for more information. Product properties Material Please make sure the device materials are compatible with the fluid you are using. Detailed information can be found in chapter “3.1. Chemical Resistance Chart – Bürkert resistApp” on page 5. Wetted parts Sensor tube Enamelled steel tube Diaphragm Ceramic Process connection Stainless steel 1.4404 Electrode head PVDF Seal EPDM Electrolyte vessel Stainless steel (1.4301) Dimensions Detailed information can be found in chapter “4. Dimensions” on page 6. Compatibility Any tanks or process pipelines which are fitted with

  • pH armature Type 8200 or
  • Fitting Type 8201 or
  • Flange connection adapted for GEA Tuchenhagen VARINLINE process connection (DN 50…DN 125) or
  • Clamp See data sheet Type 8200 or chapter “4.2. Fittings Type 8201” on page 9 or chapter “9.4. Ordering chart” on page 14 for more information. Temperature sensor Pt1000 integrated within the holder Measuring variable Absolute pH value Reference system • Aseptic ground (ceramic) diaphragm
  • Reference electrode Ag/AgCI
  • KCI electrolyte 3-molar sterile (conform to FDA) Measuring range 0…10 pH (for up to 12 pH, see chapter “5.2. pH/temperature diagram” on page 11) Measuring chain zero point 8.65 pH1.) Measuring chain isotherm point pH0 1.0 ± 1 pH; Uis = 440 mV1.) Product accessories Suitable transmitter • Multi channel and multi function multiCELL transmitter/controller Type 8619 See data sheet Type 8619 multiCELL for more information.
  • Devices with isotherm option Performance data Measuring deviation Max. 0.05 pH, depending on calibration Repeatability 0.05 pH Slope of measuring chain 56…59 mV/pH1.) at 25 °C (77 °F) Measur ement chain potential + 600…- 400 mV Inner r esistance of measuring chain 10 9…1010 Ω at + 25 °C (77 °F) Diaphr agm resistance Approx. 20…200 kΩ Insulation resistance ≥ 1012 Ω Inner capacity (with connection cable) ≤ nF Inner inductivity (with connection cable) Negligibly low Thermal shock resistance ∆T 120 (248 °F) Corr osion resistance See chapter “5.1. Sensor corrosion resistance diagram” on page 10. Electrical data Output signal • pH value: analog signal, to be connected to multiCELL transmitter/controller Type 8619. See data sheet Type 8619 multiCELL for more information.
  • Pt1000: 2-wire

4 | 15 Visit product website  Medium data Fluid temperature 0…+ 140 32…+ 284 °F), see chapter “5.2. pH/temperature diagram” on page 11. Fluid pressure - 1…+ 6 bar rel. 14…+

87 PSI)

Fluid conductivity Min. 1 µS/cm Process/Port connection & communication Process connection Through adaptation sets for

  • pH armature Type 8200 in stainless steel or
  • Hygienic fittings Type 8201 – W eld connection DN 25 (Ingold welding nozzle) – W eld connection DN 30, other on request – S tainless steel connecting pieces 1.4404 or
  • Flange connection adapted for GEA Tuchenhagen VARINLINE process connection (DN 50…DN 125) or
  • Clamp See data sheet Type 8200 or chapter “4.1. pH probe enamel” on page 6 or chap- ter “9.4. Ordering chart” on page 14 for more information. Electrical connection 6 pin gold-plated Variopin connector Approvals and certificates Standards Degree of protection according to IEC/ EN 60529 IP68 Directives CE directives The applied standards, which verify conformity with the EU Directives, can be found on the EU T ype Examination Cer tificate and/or the EU Declar ation of conformity (if applicable) P ressure equipment directives Complying with Article 4, Paragraph 1 of 2014/68/EU directive Detailed information on the pressure equipment directive can be found in chapter “2.3. Pressure Equipment Directive” on page 5. Certificates ECR1935/2004 declaration Environment and installation Ambient temperature Operation and storage: 0…+ 32…+ 122 °F) Relative air humidity ≤ without condensation Height above sea level Max. 2000 m Operating condition Continuous Equipment mobility Fixed Application range Indoor and outdoor (protect the device against electromagnetic interference, ultraviolet r ays and against the effects of climatic conditions) Installation category Category I according to UL/EN 61010 Pollution degree Degree according to UL/EN 61010 1.) For exact values see probe test report.

5 | 15 Visit product website  2. Appr ovals 2.1. Cer tificates Certificates Description FDA FDA The KCI electrolyte complies in its composition with the Code of Federal Regulations published by the FDA (Food and Drug Administration, USA). EC-Regulation 1935/2004/EC The device is suitable in its composition for use with foodstuffs and beverages (according to EC Regulation 1935/2004/EC). 2.2. P ressure Equipment Directive The device conforms to Article 4, Paragraph 1 of the Pressure Equipment Directive 2014/68/EU under the following conditions: Device used on a pipe Not

  • The data in the table is independent of the chemical compatibility of the material and the fluid.
  • PS maximum admissible pressure, DN nominal diameter of the pipe Type of fluid Conditions Fluid group 1, Article 4, Paragraph 1.c.i DN ≤ 25 Fluid group Article 4, Paragraph 1.c.i DN or PS*DN 1000 Fluid group 1, Article 4, Paragraph 1.c.ii DN ≤ 25 or PS*DN ≤ 2000 Fluid group 2, Article 4, Paragraph 1.c.ii DN ≤ 200 or PS ≤ 10 or PS*DN ≤ 5000 Device used on a vessel Note:
  • The data in the table is independent of the chemical compatibility of the material and the fluid.
  • PS maximum admissible pressure, V vessel volume Type of fluid Conditions Fluid group 1, Article 4, Paragraph 1.a.i V > 1 L and PS*V ≤ 25 bar.L or PS ≤ 200 bar Fluid group 2, Article 4, Paragraph 1.a.i V > 1 L and PS*V ≤ 50 bar.L or PS ≤ 1000 bar Fluid group 1, Article 4, Paragraph 1.a.ii V > 1 L and PS*V ≤ 200 bar .L or PS ≤ 500 bar Fluid group Article 4, Paragraph 1.a.ii PS 10 bar and PS*V 10000 bar or PS 1000 bar 3. Mat erials 3.1. Chemical Resistance Char t – Bürkert resistApp Bürkert resistApp – Chemical Resistance Chart You want to ensure the reliability and durability of the materials in your individual application case? Verify your combination of media and materials on our website or in our r esistApp. Start Chemical Resistance Check

6 | 15 Visit product website  4. Dimensions 4.1. pH pr obe enamel Probe without adaptation Note: Dimensions in mm ø 11.3 ø 12.3 max. ø 12 274 Diaphragm body Probe with adaptation set PG 13.5 for pH armature Type 8200 Note: Dimensions in mm ø 11.3 ø 12.3 max. ø 12 PG 13.5 120 Diaphragm body

7 | 15 Visit product website  Probe with adaptation set for fitting Type 8201, welding tab DN 25 version Not

  • Dimensions in mm
  • Fitting Type 8201, see chapter “9.4. Ordering chart” on page 14. ø 12.3 max. ø 12 M20 ø 11.3 ø 16 ø 13 Diaphragm body Probe with adaptation set for fitting Type 8201, welding tab DN 30 version Not
  • Dimensions in mm
  • Fitting Type 8201, see chapter “9.4. Ordering chart” on page 14. ø 12.3 max. ø 12 M20 ø 11.3 ø 16 ø 13 Diaphragm body

8 | 15 Visit product website  Probe with adaptation set for flange connection adapted for GEA Tuchenhagen VARINLINE process connection Not

  • Dimensions in mm
  • Process connection DN 50…DN 125
  • Housing and O-ring Ø not included in delivery M20 ø 11.3 ø 16 ø 13 O-ring ø 60 ø 30 ø 84 ø 68 ø 64 Probe with adaptation set for clamp 2" external Ø 64 mm Not Dimensions in mm ø 12.3 max. ø 12 ø 64 75 65 M20 ø 11.3 ø 16 ø 13 Diaphragm body

9 | 15 Visit product website  4.2. Fittings T ype 8201 Welding tab DN 25, sloped Not Dimensions in mm ø 25 ø 42 ø 38 15° 28.7 G 1¼" Welding tab DN 25, straight Not Dimensions in mm ø 25 ø 42 G 1¼" ø 38 Welding tab DN 30 Not Dimensions in mm G 1¼" ø 38 ø 31 ø 1.5 ø 50 ø 34 ø 20 ø 31 ø 38 Blind plug for welding tab DN30 Welding tab DN30 G 1¼" ø 50 Nut for blind plug/welding tab DN30

10 | 15 Visit product website  4.3. Electr olyte vessel Note:

  • Dimensions in mm
  • With built-in electrolyte supply bottle 104 326 104 32635 approx. 311.) 1.) The electrolyte level sensor is installed on the flexible tube that connects the electrolyte tank to the pH sensor, as close as possible to the electrolyte tank outlet Electrolyte vessel without level switch Electrolyte vessel with mounted level switch (option) 5. P erformance specifications 5.1. Sensor corr osion resistance diagram Note: A corrosive attack of under 0.1 mm/year is deemed resistant. 0.1 Temperature [°C] mm Attack/Year pH value Resistant 0 2 4 6 8 10 12 100 120 140 160 Not resistant

11 | 15 Visit product website  5.2. pH/t emperature diagram Temperature [°C] pH value 0 2 4 6 8 10 12 100 120 140 160 Operational area at a measuring deviation of < ± 0.1 pH at 0.1 mol/l (0.1 N) Na+ 6. P roduct installation 6.1. Installation notes Intended performance is limited to proper installation of the fitting (by weld), integrating the probe into the process using the ap- pr opriate adaptation kit, proper mounting of the electrolyte vessel (electrolyte attachment perpendicularly downwards) close to the measuring point and connecting the pH sensor and electr olyte vessel using the hose connection supplied. The electrolyte supply bottle is inserted into the electrolyte vessel and the pH sensor filled with electrolyte by opening the ventilation screw. The assembly position of the pH sensor can be chosen freely. During operation care must be taken that the active surface (length ap- prox. 45 mm from probes lower edge) is completely surrounded by medium. The flow velocity should not exceed 3…4 m/s. Dry-stor- age of the pH sensor is unrestricted. The probe is connected to the transmitter by means of the attachment cable. Inductive level switch is attached to a suitable analysing device. 7. P roduct operation 7.1. Measuring principle The pH sensor works as a single-rod measuring cell. The measuring electrode and reference electrode are combined in one element. An enamelled steel pipe is used as the basic carrier. The measuring electrode is created by additionally attaching an ion-sensitive enamel layer (yellow) with metallic voltage conductor (positioned in the non-conductive blue enamel carrier layer). An ion exchange of H+ions and alkali ions takes place on the surface (gel layer) of this enamel layer. The Ag/AgCI reference electrode is located in the int erior of the enamel pipe filled with electrolyte. A ceramic machined diaphragm is pressed into the lower end of the pipe. Electro- lytic conduction takes place through the contact of the electrolyte via the annular gap of the diaphragm to the measuring solution. A Pt1000 for temperature compensation is also integrated in the sensor. The electrolyte (conform to FDA) used is 3-molar KCI, stored in a separ ate electrolyte vessel and permanently connected to the probe via a hose. The pressure of the electrolyte vessel must be maintained above the process pressure by means of a Bürkert Type TPM001 pres- sure controller (not supplied, see data sheet Type TPM001 for more information) or another one available on the market. We r ecommend a pressure difference of at least 0.5 bar. Under these conditions, the electrolyte flow rate is about 0.01 ml/h (actual flow r ate specified in the test report delivered with the device). For non-pressurised processes the static overpressure of the pressure vessel mounted approx. 0.5 m above the probe is generally sufficient (50 mbar). Due to the extremely low permanent electrolyte flow thr ough the very small annular gap, contamination of the reference electrode is practically excluded. Accidental operation without electrolyte is prevented by optional inductive level monitoring of the pressure container. When a minimum level has been reached, the electrolyte supply bottle in the pressure container is simply changed. Bürkert Transmitter/Controller Type 8619 provides the analysis of the measured value. The maximum length of cable (5 m) between pr obe and converter (transmitter) has to be respected. pH probe Type 8201 is supplied without adaptation. The appropriate set is se- lected according to the fitting/armature chosen. Different hygienic variations of Type 8201 are available. Various standard armatures T ype 8200 can be used as well.

12 | 15 Visit product website  8. P roduct accessories 8.1. Ultr asonic detection electrolyte level switch The use of a level switch allows the monitoring of the filling level of the pressure vessel. Accessory Description Dimensions Ultrasonic level switch

  • Body and cover in POM, ultrasonic cell in PPMA, seal in FKM, plug housing in PUR
  • M12x1 connect or
  • 10…35 V DC, PNP open collector Detailed information can be found in the instruction manual of the electro- lyte monitoring, see user manual Type 8201 and for ordering informa- tion, see chapter “9.5. Ordering chart accessories” on page 14. M 12x1 Fastening holes M4, depth 8 8.2. Maint enance sets Since the enamelled pH sensor does not deteriorate and is largely insensitive to dirt, the maintenance and cleaning of the sensor system is minimal.
  • Maintenance sets for the pH sensor and for the electrolyte vessel are available. They contain small parts such as O-rings, seals, stainless steel cannula, flexible tubing, couplings etc.
  • You may need to disinfect and rinse the measuring system. For this you will require demineralised water and a plastic bottle with septum for alcohol filling. See chapter “9.5. Ordering chart accessories” on page 14 for more information.

13 | 15 Visit product website  9. Or dering information 9.1. Bürk ert eShop – Easy ordering and quick delivery Bürkert eShop – Easy ordering and fast delivery You want to find your desired Bürkert product or spare part quickly and order dir ectly? Our online shop is available for you 24/7. Sign up and enjoy all the benefits. Order online now 9.2. Recommendation r egarding product selection Note: The cable between probe and transmitter must categorically be selected as short as possible (particularly at low process tempera- tures) in order to guarantee measurement signal dynamics that are as high as possible. A cable length of 10 m should only be used in e xceptional cases. A complete Type 8201 pH measuring system contains the following components:

  • pH probe enamel
  • Suitable adaptation set for fitting/armature
  • Fitting/armature
  • Electrolyte vessel (electrolyte hose included)
  • Supply bottle with 1 litre electrolyte KCI
  • Connection cable for transmitter
  • Transmitter Controller Type 8619 (see data sheet Type 8619 for more information)
  • Pressure controller (see data sheet Type TPM001 for more information) or another one available on the market. Seven different components must be ordered in order to select a complete device. The following information is required:
  • Article no. of the pH probe enamel (see chapter “9.4. Ordering chart” on page 14)
  • Article no. of the suitable adaptation set for fitting/armature (see chapter “9.4. Ordering chart” on page 14)
  • Article no. of the fitting Type 8201(see chapter “9.4. Ordering chart” on page 14) or armature Type 8200 (see data sheet Type 8200  for more information)
  • Article no. of the electrolyte vessel (see chapter “9.4. Ordering chart” on page 14)
  • Article no. of the supply bottle with litre electrolyte KCI (see chapter “9.4. Ordering chart” on page 14)
  • Article no. of the connection cable for transmitter (see chapter “9.4. Ordering chart” on page 14)
  • Article no. of the Transmitter/Controller Type 8619 (see data sheet Type 8619 for more information)
  • Article no. of a pressure controller Type TPM001 (see data sheet Type TPM001 for more information) 9.3. Bürk ert product filter Bürkert product filter – Get quickly to the right product Y ou want to select products comfortably based on your technical requirements? Use the Bürkert product filter and find suitable articles for your application quickly and easily Try out our product filter

14 | 15 Visit product website  9.4. Or dering chart Note: All necessary parts have to be ordered separately Description Comment Article no. Probe pH probe-enamel without adaptation pH measuring range: 0…10 (12), medium temper- ature: 0…+ 140 °C, pressure (relative): 1…6 bar electrical connection: 6 pin gold-plated 554849  Adaptation sets Adaptation set for welding tab DN 25 Type

8201 Union

G 1¼" DN 25 554866  Adaptation set for welding tab DN 30 Type G 1¼" DN 30 554873  Adaptation set PG 13.5 for pH armature Type 8200 PG 13.5 with O-ring 554862  Adaptation set for flange connection adapted for GEA T uchenhagen VARINLINE process connection (DN 50…DN 125) Flange adapted for GEA Tuchenhagen VARINLINE pr ocess connection 558617  Adaptation set Clamp 2" external Ø 64 mm Clamp 2" 559744  Electrolyte vessel Electrolyte vessel, stainless steel Including electrolyte hose set 5 m, compressed air attachment, pipe/wall-mounting unit 1 554850  Electr olyte vessel, stainless steel, with level switch 554851  Operating liquids Electrolyte KCI, sterilised, 1 litre plastic bottle (conform to FDA) Electrolyte reference system 554852  Connection cables Connection cable for pH probe enamel, 3 m long 6 pin Variopin coupling on pH probe, flexes on tr ansmitter 554855  Connection cable for pH probe enamel, 5 m long 554856  Connection cable for pH probe enamel, 10 m long1.) 554857  Fittings Type 8201 Welding tab DN 25, 40 mm, straight,

1.4404 DN 25/weld

straight 554858  Welding tab DN 25, 40 mm, sloped, diagonal 554859  Welding tab, DN 30, 60 mm, straight,

1.4404 DN 30/weld

straight 554860  Blind plug for welding tab, DN 30, 1.44042.) Union nut G 1¼" / DN 30 554861  Nut for blind plug for welding tab, DN 30, 1.44042.) G 1¼" / DN 30 554872  1.) Only to be used in exceptional cases, please consult your Bürkert application specialist for application advice. 2.) Absolutely necessary in order to prevent warping when welding DN 30 connecting pieces. 9.5. Or dering chart accessories Description Comment Article no. Level switch Ultrasonic detection electrolyte level switch cplg With 5-pin M12 male fixed connector (includes a 5-met er long cable equipped with a right-angle 5-pin M12 female plug) 561533  Locking screw M12 1 cplg. L ocking screw PVDF with O-ring FKM 554887  Maintenance sets Inspection set for pH probe enamel 2 O-rings 2.5 mm EPDM, O-rings 2.5 mm silicon, O-rings 23.39 3.53 mm EPDM, 4 items adaptor reinforcement ring PTFE for spacer tube 554876  Flexible tube set 1 hose connection with shut-off, hose connector with shut-off, PTFE hose 1 mm, length 5 m 554883  Cleaning Plastic bottle with septum For self-filling with alcohol vol. 554854  Demineralised water Sterile in 1 litre plastic bottle 554853  Please use the attached application questionnaire to describe your process and send it to your Bürkert office to check the suitability . Please complete all three pages.

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1 | 3Visit this product area on the website  © Christian Bürkert GmbH & Co. KG, subject to change Product Enquiry Form - pH measuring system Thank you for your interest in our products! In order to provide you with optimum advice, please fill out the following form and send it to your Bürkert representative or e-mail address: info@burkert.com. All information submitted will of course be kept strictly confidential. Note: The interactive functions of this PDF may be restricted depending on the PDF reader used. Personal Information Company Contact person Customer no. Department Street Country / Postcode / T own Telephone no. Email Delivery Quantity Required deliver y date Our process Process description Application Continuously pH regulation Continuously pH monitoring T emperature range1.) from to [°C] P ressure range1.) from to [bar] pH r ange1.) from to [pH] Concentr ation of dissolved substances Molarity [mol] or P roportion [%] Which substances V ariable concentration Yes No if yes, please quotate the variation [mol] 1.) Please chart this data into the process time lapse diagram at chapter „Process time lapse“ on page 2 . Cleaning process Concentration [mol] Temperature [°C] Time [minutes] pH value [pH] Cleaning 1.) with base with acid Sterilisation1.) with steam with product with aseptic solutions Others cleaning1.) 1.) Please chart this data into the cleaning time lapse diagram at chapter „Cleaning time lapse“ on page 3 .

2 | 3Visit this product area on the website  © Christian Bürkert GmbH & Co. KG, subject to change Currently used measuring Used type of pH measuring system Following issues are existing Process time lapse [°C] 100 125 150 175 10-3 10-2 10-1 102 103 104 [bar][pH][mS/cm] time [ ] Remarks:

3 | 3Visit this product area on the website  © Christian Bürkert GmbH & Co. KG, subject to change Cleaning time lapse [°C] 100 125 150 175 10-3 10-2 10-1 102 103 104 [bar][pH][mS/cm] time [ ] Remarks: