8203

8203 BURKERT | Alldatasheet

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Technical content

Visit product website  DATA SHEET Type 8200  Armatures for analytical sensors Type 8202  pH or redox potential transmitter, ELEMENT design Type 8619  multiCELL - Multi-chan- nel and multi-function transmitter/controller Standard | EU | en | 2023 - 09 - 08 | 12 pH- and ORP-probes

• For many different types of installations and applications
• Large selection of probe for a wide range of holder
• Useable for pipe DN 15…DN 200 A probe Type 8203 is inserted into a Bürkert pH or ORP meter, which is a modular device designed for the measurement of:
• the pH in clean liquids or liquids containing solids, sulphides or proteins.
• the oxidation-reduction potential in clean liquids or liquids containing sol- ids, sulphides or proteins which may present low conductivity. The probes of Type 8203 are available in various models:
• for pH - PLASTRODE pH 120 mm - FLATRODE pH 120 mm - LOGOTRODE pH 120 mm - UNITRODE PLUS pH 120 mm - CERATRODE pH 120 mm - FERMTRODE VP pH 120 mm
• for ORP - FLATRODE ORP 120 mm - LOGOTRODE ORP 120 mm - UNITRODE PLUS ORP 120 mm Product variants described in the data sheet may differ from the product presentation and description. Type descriptionCan be combined with Type 8203 © Christian Bürkert GmbH & Co. KG, Subject to alteration

2 | 15Visit product website  Table of contents 1. General technical data 3 2. Approvals 7 3. Materials 7 4. Dimensions 8 5. Product installation 9 6. Product operation 9 7. Product accessories 10 8. Networking and combination with other Bürkert products 10 9. Ordering information 11

3 | 15Visit product website  1. General technical data 1.1. About the probe For general or hygienic purposes the probes, available in several models, are

• used in combination with one of the many holders offered in Type 8200,
• or inserted in a pH or ORP meter Type 8202 in the standard or neutrino variant See data sheet Type 8200  or data sheet Type 8202  for more information. 1.2. All variants The following data applies to all variants mentioned above. Product properties Dimensions Detailed information can be found in chapter “4. Dimensions” on page 8. Temperature compensation • Automatic – if the measuring system is equipped with Pt1000. Detailed information on the Pt1000 can be found in chapter “7. Product accessories” on page 10. – if the probe has an integrated Pt100 sensor.
• Manual compensation reference temperature 25 °C (77 °F) Electrical data Output Analog signal, to be connected to ELEMENT or ELEMENT neutrino pH/ORP meter Type 8202 or multiCELL transmitter/controller Type 8619. See data sheet Type 8202  or data sheet Type 8619  for more information. Process/Pipe connection & communication Process connection PG 13.5 Approvals and certificates Directives CE directive The applied standards, which verify conformity with the EU Directives, can be found on the EU Type Examination Certificate and/or the EU Declaration of conformity (if applicable). Pressure equipment directive Complying with article 4, paragraph 1 of 2014/68/EU directive Detailed information on the pressure equipment directive can be found in chapter “2.1. Pressure equipment directive” on page 7. Environment and installation Ambient temperature • Operation: 0…+ 60 °C (+ 32…+ 140 °F)

4 | 15Visit product website  1.3. pH probes Note:

• The pH probe Type 8203 is available in 6 models.
• These probes can be used in a measuring range of 0…14 pH. Technical data for PLASTRODE pH 120, FLATRODE pH 120 and LOGOTRODE pH 120 models Product properties Sensor model PLASTRODE pH 120 FLATRODE pH 120 LOGOTRODE pH 120 Material Armature Glass Cast epoxy resin, black Glass Diaphragm “Single pore” Annular and centered, in high density Polyethylen “Single pore” Seal EPDM FKM EPDM Number of diaphragms 1 1 1 Temperature sensor Not integrated Not integrated Not integrated Reference electrolyte Polymer Acrylamide gel KNO3/3.5M KCl-AgCl Polymer Medium data Fluid Drinking water, aquarium, swimming-pool... Contaminated (viscous, suspended solids, small sized solids, paints, cosmetics, foodstuffs) Clean (drinking water, cool- ing-water, aquarium, swim- ming-pool...) Fluid conductivity Min. 50 μS/cm Min. 50 μS/cm Min. 2 μS/cm If the temperature ranges given for the holder and the inserted probe are different, use the most restrictive range. Fluid pressure 0…6 bar (0…87 PSI) 0…6 bar (0…87 PSI) 0…6 bar (0…87 PSI) If the pressure ranges given for the holder and the inserted probe are different, use the most restrictive range. Maximum pressure at max. temperature 6 bar (87 PSI) 4 bar (58 PSI) 6 bar (87 PSI) Process/Pipe connection & communication Electrical connection S7/S8 connector S7/S8 connector S7/S8 connector (Coaxial shielded cables with S7/S8 connector and 4-wire cable for Pt1000/Liquid earth rod (if needed), see chapter “9.5. Ordering chart accessories” on page 14.)

5 | 15Visit product website  Technical data for UNITRODE PLUS pH 120, CERATRODE pH 120 and FERMTRODE pH 120 models Product properties Sensor model UNITRODE PLUS pH 120 CERATRODE pH 120 FERMTRODE pH 120 Material Armature Glass Glass Glass Diaphragm “Single pore” HP ceramics HP-COATRAMIC Seal FPM EPDM (conform to FDA - 21CFR 177.2600 and to USP class VI) Silicone (conform to FDA - 21CFR 177.2600 and to USP class VI) Number of diaphragms 2 3 1 Temperature sensor Not integrated Not integrated Integrated Pt100 Reference electrolyte Polymer Gel Pressurized FOODLYTE (con- form USP 31) Medium data Fluid • Contaminated (waste water, cooling water, electro-plat- ing, paints, cosmetics...)

• Containing sulfides/proteins (tannery, animal breeding, waste water, foodstuffs, cosmetics, biotechnology) High pressure, high flow rate

applications

Biotechnology, pharma, food industry

• containing proteins, cell cultures, injectable
• applications requiring bio- compatibility or suitability for food contact guarantee Fluid conductivity Min. 2 μS/cm Min. 50 μS/cm Min. 100 μS/cm If the temperature ranges given for the holder and the inserted probe are different, use the most restrictive range. Fluid pressure • 0…16 bar if fluid tempera- ture < + 100 °C (0…232 PSI if fluid temperature < + 212 °F)
• 0…10 bar if fluid tem- perature between + 100…+ 130 °C (0…145 PSI if fluid temperature between + 212…+ 266 °F)
• 0…16 bar if fluid tempera- ture ≤ + 25 °C (0…232 PSI if fluid temperature ≤ + 77 °F)
• 0…6 bar if fluid tempera- ture > + 25 and ≤ + 130 °C (0…145 PSI if fluid tempera- ture > + 77 and ≤ + 266 °F) 0…6 bar (0…87 PSI) If the pressure ranges given for the holder and the inserted probe are different, use the most restrictive range. Maximum pressure at max. temperature 10 bar (145 PSI) 6 bar (87 PSI) 6 bar (87 PSI) Process/Pipe connection & communication Electrical connection S7/S8 connector S7/S8 connector Variopin 6.0 (Coaxial shielded cables with S7/S8 connector and 4-wire cable for Pt1000/Liquid earth rod (if needed), see chapter “9.5. Order- ing chart accessories” on page 14.)

6 | 15Visit product website  1.4. ORP probes Note:

• The ORP probe Type 8203 is available in 3 models.
• These probes can be used in a measuring range of - 2000…+ 2000 mV. Technical data for FLATRODE ORP 120, LOGOTRODE ORP 120, UNITRODE PLUS ORP 120 models Product properties Sensor model FLATRODE ORP 120 LOGOTRODE ORP 120 UNITRODE PLUS ORP 120 Material Armature Cast epoxy resin, black Glass Glass Diaphragm Annular and centered, in high density Polyethylen “Single pore” “Single pore” Seal FKM EPDM FPM Number of diaphragms 1 1 2 Temperature sensor Not integrated Not integrated Not integrated Reference electrolyte Acrylamide gel KNO3/3.5M KCl-AgCl Polymer Polymer Medium data Fluid Contaminated (viscous, suspended solids, small sized solids, paints, cosmetics, foodstuffs)
• Clean liquids (cooling-wa- ter, waste water or slightly contaminated)
• With low conductivity (pure or rainwater...> 2 µS/cm)
• Clean liquids (drinking water, aquarium, swim- ming-pool...)
• Contaminated (waste water, cooling water, electro-plat- ing, paints...)
• With low conductivity (pure or rainwater...> 2 µS/cm)
• Containing sulfides/proteins (tannery, animal breeding, waste water, foodstuffs, cosmetics, biotechnology...) Fluid conductivity Min. 50 μS/cm Min. 2 μS/cm Min. 2 μS/cm If the temperature ranges given for the holder and the inserted probe are different, use the most restrictive range. Fluid pressure 0…6 bar (0…87 PSI) 0…6 bar (0…87 PSI) • 0…16 bar if medium temperature < + 100 °C (0…232 PSI if medium tem- perature < 212 °F)
• 0…10 bar if medium temperature between + 100…+ 130 °C (0…145 PSI if medium temperature between 212…266 °F) If the pressure ranges given for the holder and the inserted probe are different, use the most restrictive range. Maximum pressure at max. temperature 4 bar (58 PSI) 6 bar (87 PSI) 10 bar (145 PSI) Process/Pipe connection & communication Electrical connection S7/S8 connector S7/S8 connector S7/S8 connector (Coaxial shielded cables with S7/S8 connector and 4-wire cable for Pt1000/Liquid earth rod (if needed), see chapter “9.5. Ordering chart accessories” on page 14.)

7 | 15Visit product website  2. Approvals 2.1. Pressure 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 Note:

• The data in the table is independent of the chemical compatibility of the material and the fluid.
• PS = maximum admissible pressure (in bar), DN = nominal diameter of the pipe Type of fluid Conditions Fluid group 1, article 4, paragraph 1.c.i DN ≤ 25 Fluid group 2, article 4, paragraph 1.c.i DN ≤ 32 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 (in bar), 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 2, v 4, paragraph 1.a.ii PS > 10 bar and PS*V ≤ 10000 bar.L or PS ≤ 1000 bar 3. Materials 3.1. Chemical Resistance Chart – 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 resistApp. Start Chemical Resistance Check

8 | 15Visit product website  4. Dimensions 4.1. pH/ORP probes in glass with S7/S8 connector Note: Dimensions in mm, unless otherwise stated 12031 ∅ 12 S7/S8 PG 13.5 4.2. pH/ORP probes in cast epoxy resin with S7/S8 connector Note: Dimensions in mm, unless otherwise stated 11931 ∅ 12 S7/S8 PG 13.5 ∅ 6 4.3. pH probe with VP 6.0 multipin connector Note: Dimensions in mm, unless otherwise stated 12052 ∅ 12 VP6.0 PG 13.5

9 | 15Visit product website  5. Product installation 5.1. Installation notes Note:

• The pH or ORP probe is installed in a holder Type 8200 or inserted into the pH or ORP meter standard variant or neutrino Type 8202.
• The probe must continuously be immersed into the measuring fluid in order to protect it from drying out.
• The device must be protected from constant heat radiation and other environmental influences, such as direct exposure to sun- light. See data sheet Type 8200  or data sheet Type 8202  for more information. Installation example Description 75° 75° 75° 75° The device has to be installed with a maximum angle of 75 degrees against the vertical onto an horizontal pipe. Select and install the required fitting onto the pipe, according to specific requirements of the device and fitting material (temperature and pres- sure). After having connected the probe to the Type 8619 (pH/ORP) multiCELL transmitter/controller and having calibrated the unit, cautiously install the complete pH/ORP meter on the fitting. See data sheet Type 8619  for more information. In order to get reliable measurement air bubbles must be avoided. Please ensure that the mounting location provides a continuous and complete immersion of the probe in the flow stream. 6. Product operation 6.1. Measuring principle The pH or redox probe built up on a glass membrane with variable sensitivity according to the pH or the redox, which must be screwed into the selected probe holder Type 8200 or inserted into the pH or redox meter (standard variant or neutrino) Type 8202, connected to the e.g. transmitter/controller Type 8619. Only the probe with S7/S8 electrical connector can be screwed into the pH/ redox ELEMENT meter Type 8202 (standard or neutrino variant). The probe must be calibrated with buffer solution before the installa- tion of the sensor into the pipe. See data sheet Type 8200 , data sheet Type 8619 , data sheet Type 8202  for more information.
• When a pH probe is immersed into the solution a difference in potential is formed due to ions (H+) between the glass membrane and the solution. This difference in potential measured in relation to a reference electrode is directly proportional to the pH value (59.16 mV per pH unit at 25 °C). The pH meter can be calibrated in 1-point (Offset at pH 7) or in 2-points (Offset at pH 7 and Span at pH 4 or pH 10).
• When a redox probe is immersed into the solution an ion exchange occurs between the oxidised and the reduced state of an electrolyte. The generated cell voltage is the oxidation-reduction potential value. The redox meter can only be calibrated in 1-point (Offset).

10 | 15Visit product website  7. Product accessories Description Dimensions For an automatic temperature compensation a Pt1000 tem- perature probe/liquid earth rod will be needed if the probe does not integrate a temperature sensor. Detailed information on Pt1000 ordering can be found in chapter “9.5. Ordering chart accessories” on page 14). ∅ 5 ∅ 11.9 154 6x2 FKM seal 9 3.5 132.81 156.5 ∅ 3 8. Networking and combination with other Bürkert products Example: Type 8203 and Pt1000 (option) Type 8200  Armatures for analytical probes Type 8202  pH or redox potential measurement device, standard or neutrino variant Complete pH/ORP sensor Complete pH/ORP meter Type 8619  multiCELL - transmitter/controller

11 | 15Visit product website  9. Ordering information 9.1. Bürkert eShop – Easy ordering and quick delivery Bürkert eShop – Easy ordering and quick delivery You want to find your desired Bürkert product or spare part quickly and order directly? Our online shop is available for you 24/7. Sign up and enjoy all the benefits. Order online now 9.2. Recommendation regarding product selection Complete pH/ORP sensor A complete pH/ORP sensor consists of a pH or ORP probe Type 8203, a Pt1000/liquid earth rod (option, if not integrated in the pH probe), a probes holder Type 8200 with seals, a pH/ORP shielded cable, a Pt1000/liquid earth rod shielded cable (option, if needed). See data sheet Type 8200  for more information. Different components must be ordered in order to select a complete device. The following information is required:

• Article no. of the selected pH or ORP probe Type 8203 (see chapter “9.4. Ordering chart” on page 13)
• Article no. of the desired probes holder Type 8200 (see data sheet Type 8200 )
• Article no. of the Pt1000/liquid earth rod, if needed (see chapter “9.5. Ordering chart accessories” on page 14)
• Article no. of the pH/ORP shielded cable (see chapter “9.5. Ordering chart accessories” on page 14)
• Article no. of the Pt1000/liquid earth rod shielded cable, if needed (see chapter “9.5. Ordering chart accessories” on page 14) pH or ORP probes Pt1000/ liquid earth rod Cable for Pt1000/ liquid earth rod Cable for pH or ORP probe Probe holder Type 8200 (example: with G 2"process connection) For connection to Type 8619

12 | 15Visit product website  Complete pH/ORP meter A complete ph/ORP meter consists of a replaceable standard 120 mm pH or ORP probe with S7/S8 connector Type 8203 and a pH or ORP meter Type 8202. See data sheet Type 8202  for more information. Different components must be ordered in order to select a complete device. The following information is required: The following information is necessary for the selection of a complete device:

• Article no. of the selected pH or ORP probe with S7/S8 connector Type 8203 (see chapter “9.4. Ordering chart” on page 13)
• Article no. of the selected pH/ORP meter Type 8202 (see data sheet Type 8202 ) pH or ORP probes pH or ORP meter standard variant pH or ORP meter neutrino variant 9.3. Bürkert product filter Bürkert product filter – Get quickly to the right product You 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

13 | 15Visit product website  9.4. Ordering chart pH probes Probe Measuring range Fluid temperature Fluid pressure Fluid minimum conductivity Electrical connection Article no. [pH] [°C] [bar] [μS/cm] PLASTRODE pH 120 mm 0…14 - 10…+ 40 0…6 50 S7/S8 connector 560377  FLATRODE pH 120 mm 0…+ 80 0…6 50 561025  LOGOTRODE pH 120 mm - 10…+ 60 0…6 2 427114  UNITRODE PLUS pH 120 mm 0…+ 130 0…16 2 560376  CERATRODE pH 120 mm 0…+ 130 0…16 50 418319  FERMTRODE pH 120 mm 0…140 0…6 100 Variopin 6.0 561727  ORP probes Probe Measuring range Fluid temperature Fluid pressure Fluid minimum conductivity Electrical connection Article no. [mV] [°C] [bar] [μS/cm] FLATRODE ORP 120 mm - 2000…+ 2000 0…+ 80 0…6 50 S7/S8 connector 561027  LOGOTRODE ORP 120 mm - 10…+ 60 0…6 2 560379  UNITRODE PLUS ORP 120 mm 0…+ 130 0…16 2 560378 

14 | 15Visit product website  9.5. Ordering chart accessories Temperature probes Description Article no. Pt1000/liquid earth rod - in stainless steel 1.4571 427023  Pt1000/liquid earth rod - in titanium 560317  Cables for probes Description Length Article no. For connection between pH/ORP probe mounting into Type 8200 armatures and Type 8619 Transmitter Coaxial cable with S7/S8 probe connector and open end leads 3 m 561904  5 m 561905  10 m 561906  Connection cable with VarioPin (VP 6.0) probe female connector and open end leads with conductor sleeve 3 m 554855  5 m 554856  10 m 554857  For connection between pH/ORP probe mounting into Type 8200 immersion fitting and Type 8619 Transmitter Coaxial cable with S7/S8 probe connector and open end leads 5 m 561905  10 m 561906  For connection between Pt1000/liquid earth rod mounting into Type 8200 armatures and Type 8619 Transmitter Four-wire cable with M8 circular connector and open end leads with conductor sleeve 2 m 427110  3 m 561907  5 m 427113  10 m 554822  For connection between Pt1000/liquid earth rod mounting into Type 8200 immersion fitting and Type 8619 Transmitter Four-wire cable with plug-in coupling and open end leads with conductor sleeve 5 m 562627  10 m 562628  Other accessories Description Article no. Storage solution for probe (KCl 3M), 500 ml 418557  Buffer solution, 500 ml, pH = 4.01 1.) 418540  Buffer solution, 500 ml, pH = 7.00 1.) 418541  Buffer solution, 500 ml, pH = 10.01 1.) 418543  Buffer solution, 500 ml, ORP = 475 mV 418555  Factory 2-point pH calibration certificate 550673  Factory 1-point ORP calibration certificate 550674  1.) At 25 °C certified and traceable to NIST and PTB

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