Kobold PSR Series Operating Instructions Manual
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Kobold PSR Series Operating Instructions Manual

Paddle flow monitor
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Operating Instructions
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Paddle Flow Monitor
Model: PSR-..., PSE-...

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  • Page 1 Operating Instructions Paddle Flow Monitor Model: PSR-..., PSE-...

  • Page 2: Table Of Contents

    EU Declaration of Conformance ATEX ............24     ATEX Certificate ..................26     IECEx Certificate ..................31     Manufactured and sold by: Kobold Messring GmbH Nordring 22-24 DE-65719 Hofheim Tel.: +49(0)6192-2990 Fax: +49(0)6192-23398 E-Mail: info.de@kobold.com Internet: www.kobold.com page 2 PSR/PSE K23/0322...

  • Page 3: Note

    Please read these operating instructions before unpacking and putting the unit into operation. Follow the instructions precisely as described herein. The instruction manuals on our website www.kobold.com are always for currently manufactured version of our products. Due to technical changes, the instruction manuals available online may not always correspond to the product version you have purchased.

  • Page 4: Instrument Inspection

    PSR/PSE 3. Instrument Inspection Instruments are inspected before shipping and sent out in perfect condition. Should the damage to a device be visible, we recommend a thorough inspection of the delivery packing. In case of damage, please inform your parcel service/ forwarding agent immediately, since they are responsible for damages during transit.

  • Page 5: Operating Principle

    6.2. General information on explosion protection The KOBOLD flow monitors types PSR and PSE are used wherever reliable flow monitoring is required. Depending on the flow velocity or flow rate, the baffle plate is deflected and moves the permanent magnet via the balance beam into the response area of the reed contact located outside the flow medium.
  • Page 6 Due to the force of the leaf spring, which also serves as a holder for the balance beam, the baffle plate is returned to its rest position if the flow fails. The KOBOLD baffle plate flow monitors are supplied complete with a pipe section up to a nominal size of 40.
  • Page 7 PSR/PSE 6.2.2. Electrical parameters when used in Zone 20 • Ui = 30 V AC/DC • Ii = 0.25 A • Pi = 650 mW @ Ta 70 °C, 500 mW @ Ta 110 °C • Li = negligible • Ci = negligible •...

  • Page 8: Commissioning, Installation, Operation

    PSR/PSE h) It is the responsibility of the installer to ensure that the flow monitor functions properly in conjunction with the individual evaluation devices and that it is approved for the intended purpose. i) The intrinsically safe connection must be made using approved / tested evaluation devices, which may have to be equipped with suitable Zener barriers or switching amplifiers.

  • Page 9: Maintenance, Servicing

    PSR/PSE equipment in question, which is issued by a body designated for explosion protection. a) The voltage of the supply units must be less than or equal to the voltage Ui of the flow monitor. b) The total current Io of the supply devices must be less than or equal to the current Ii of the flow monitor.

  • Page 10: Troubleshooting

    PSR/PSE Visual inspection: A visual inspection is an inspection in which visible defects are found without the use of access devices or tools, for example missing screws. Close-up inspection: An inspection that, in addition to the aspects of the visual inspection, identifies defects such as loose screws that can only be removed through the use of access devices, e.g.

  • Page 11: Disposal

    PSR/PSE 6.6. Disposal The packaging and used parts must be disposed of in accordance with the regulations of the country in which the product is installed. 6.7. Identification of the flow monitor (nameplate) 6.7.1. Marking for the standard version 6.7.2. Marking for the high temperature version PSR/PSE K23/0322 page 11...

  • Page 12: Mechanical Connection

    PSR/PSE 7. Mechanical Connection Before installation  Please check that the actual flow matches with the switching range of the instrument.  Ensure that the allowable maximum operating pressure and operating temperature of the instruments will not be exceeded.  Remove all transport packing and be sure that no packing material is left in the instrument.

  • Page 13: Electrical Connection

    PSR/PSE 8. Electrical Connection  Ensure that the electrical supply lines are powerless.  Connect the connection cable with your supply cable.  The contact housing is made of glass-fibre reinforced plastic. It is insulated in accordance with VDI 0720 Class II; separate insulation measures are not necessary.
  • Page 14 PSR/PSE Switch Point Adjustment When adjusting the switch point, the clamp plate in the top of the upper housing must be loosened, enabling the switching unit to be repositioned. For ease of adjustment, the switching unit is marked with a white and a red arrow. The front edge of the clamp plate serves as the adjustment marker.

  • Page 15: Maintenance

    PSR/PSE Contact protection The reed contact may be damaged if the switch ratings are exceeded, especially while switching inductive or capacitive loads. This can cause unsafe conditions. By using a contact protection/isolation relay (e.g.: Model MSR 10), this problem can be overcome and the lifespan and switch rating of the reed contact can be extensively increased.

  • Page 16: Technical Information

    PSR/PSE 11. Technical Information 11.1. General Tolerance of switching points: ±15 % Medium temperature: -20 … +70°C (NBR seal) -10 … +110°C (FPM seal) Ambient temperature: -20 … +70°C (NBR seal) -20 … +110°C (FPM seal) Max. pressure: 25 bar (PSR-1132.., PSR-1140..) 100 bar (all others) Protection: IP 65...
  • Page 17 PSR/PSE Material PSR/ PSE -11/-22 PSR/ PSE -12/-22 Case brass 58 stainless steel 1.4301 Baffle plate stainless steel 1.4301 stainless steel 1.4301 Leaf spring stainless steel 1.4310 stainless steel 1.4310 Balance arm stainless steel 1.4310 stainless steel 1.4310 Sleeve brass 58 stainless steel 1.4301 Magnet oxide ceramics...

  • Page 18: Order Codes

    PSR/PSE 12. Order Codes Standard version (Example: PSR-1108 3 R08 R 1) Standard switching Model ranges Qmax. Nominal Rising flow Falling flow L/min. Material Connection Contact Cable version size Material rate L/min. rate water stainless brass water L/min. water steel PSR-1108 PSR-1208 R08= G 1/4...
  • Page 19 PSR/PSE Standard switching ranges Model for pipes Qmax Falling with Cable Rising flow flow m³/h Material Connection Contact diameter Material version rate L/min. rate water stainless (mm) brass water L/min. steel water 68 - 90 61 - 83 PVC-cable 1 = 1.5m 183 - 250 170 - 233 PSE-1149...
  • Page 20 PSR/PSE Special switch ranges Model Qmax. Nominal Cable L/min. Connection Contact Special version Rising Falling size version Material Material flow rate flow rate water Brass st. steel L/min. L/min. Wasser Wasser PSR-2108 PSR-2208 4.7 – 6.5 3.4 – 6.1 DN 8 R08= G 1/4 PSR-2108 PSR-2208...

  • Page 21: Recommended Spare Parts

    PSR/PSE 13. Recommended Spare Parts Paddle (only PSR-…) 2.1) Spare Normally open contact 2.2) Spare Changeover contact 2.3) Conversion kit: N/O for Changeover contact (only PSR-11...) consisting of top (sleeve) brass + 1 Changeover contact 2.4) Conversion kit: N/O for Changeover contact (only PSR-12...) consisting of top (sleeve) stainless steel + 1 Changeover contact 3.1) FPM O-Rings...

  • Page 22: Eu Declaration Of Conformance

    PSR/PSE 15. EU Declaration of Conformance We, Kobold-Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Paddle Flow Switch Model: PSR-x / PSE-x to which this declaration relates is in conformity with the standards noted below: EN 61010-1:2010 Safety requirements for electrical equipment for measurement, control and laboratory use.
  • Page 23 PSR/PSE Additional for PS*-2* *** *** ** 2014/34/EU Equipment and Protective systems intended for use in a potentially Explosive Atmospheres Quality Management Production Certificate number: BVS 21 ATEX ZQS/E110 Notified body: DEKRA Testing and Certification GmbH Identification number: 0158 Hofheim, 09 Feb. 2022 H.

  • Page 24: Eu Declaration Of Conformance Atex

    PSR/PSE 16. EU Declaration of Conformance ATEX page 24 PSR/PSE K23/0322...
  • Page 25 PSR/PSE PSR/PSE K23/0322 page 25...

  • Page 26: Atex Certificate

    PSR/PSE 17. ATEX Certificate page 26 PSR/PSE K23/0322...
  • Page 27 PSR/PSE PSR/PSE K23/0322 page 27...
  • Page 28 PSR/PSE page 28 PSR/PSE K23/0322...
  • Page 29 PSR/PSE PSR/PSE K23/0322 page 29...
  • Page 30 PSR/PSE page 30 PSR/PSE K23/0322...

  • Page 31: Iecex Certificate

    PSR/PSE 18. IECEx Certificate PSR/PSE K23/0322 page 31...
  • Page 32 PSR/PSE page 32 PSR/PSE K23/0322...
  • Page 33 PSR/PSE PSR/PSE K23/0322 page 33...
  • Page 34 PSR/PSE page 34 PSR/PSE K23/0322...
  • Page 35 PSR/PSE PSR/PSE K23/0322 page 35...

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