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The buffers CPY20 are produced in the permanent DAkkS-accredited calibration laboratory.

pH buffers
CPY20

Highly precise pH buffers for all industries

CPY20
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from CHF 803.-
CPY20 buffer solutions guarantee the reliability, accuracy and traceability of your pH measurements. ©Endress+Hauser

CPY20 pH buffer solutions guarantee the reliability, accuracy and traceability of your pH measurements.

Temperature curves of CPY20 pH buffers are pre-programmed in all Liquiline series transmitters. ©Endress+Hauser

Temperature curves of CPY20 pH buffers are pre-programmed in all Liquiline series transmitters to simplify sensor calibration and adjustment, reducing your maintenance effort.

The high accuracy and reproducibility of CPY20 help you optimize the pH value in your process. ©Endress+Hauser

The high accuracy and reproducibility of the buffers help you optimize the pH value in your process and to maximize the yield and quality of your product.

CPY20 pH buffers are traceable to standard reference material of NIST (USA) and PTB (Germany). ©Endress+Hauser

CPY20 pH buffers are traceable to standard reference material of NIST (USA) and PTB (Germany), and fulfil the stringent documentation requirements of Life Sciences.

The buffers' certificates simplify your audit trails and improve the reliability of your SOPs. ©Endress+Hauser

The easily accessible, identical certificates of the buffers simplify your audit trails and improve the reliability of your SOPs.

All used preservatives are FDA-listed for highest product safety in FDA-supervised processes. ©Endress+Hauser

All used preservatives are FDA-listed for highest product safety in FDA-supervised processes.

Our pH buffer production is accredited in accordance with DIN EN ISO/IEC 17025:2005. ©Endress+Hauser

Our pH buffer production has successfully passed the tough accreditation process of the German Accreditation Service (DAkkS) in accordance with the specifications of DIN EN ISO/IEC 17025:2005.

We are one of the very few pH buffer manufacturers whose production is completely certified. ©Endress+Hauser

We are one of the very few pH buffer manufacturers in the world whose production is completely certified. Additionally, we regularly participate with success in international round-robin tests.

CPY20 buffers are available in seven different values from pH 2 to pH 12. ©Endress+Hauser

CPY20 buffers are available in seven different values from pH 2 to pH 12.

Field of application

The high-quality CPY20 buffers guarantee pH calibration to ultimate precision. They are produced and bottled in the permanent calibration laboratory that has successfully passed the tough DAkkS accreditation (German accreditation authority). The buffers are specified with an accuracy rating of +/-0.02 pH. They are traceable to NIST and PTB standard reference material and contain only FDA-listed preservatives. Using CPY20 you will achieve correct values that you can rely on.

CPY20 pH buffer solutions are used for calibration and adjustment of pH electrodes in all industries. They are optimized for all routine and high precision sensor adjustments in the process as well as in the lab.

The calibration and adjustment can be conducted with:

  • Memobase Plus CYZ71D software

  • All transmitters of the Liquiline series

  • All conventional pH transmitters on the market

For an overview over all available buffers and bottle sizes, please click on 'Features and specifications'.

Benefits

  • The high accuracy and reproducibility of the buffers help you optimize the pH value in your process and maximize the yield and quality of your product.

  • CPY20 pH buffers are traceable to standard reference material of NIST (USA) and PTB (Germany) and fulfill the stringent documentation requirements of Life Sciences.

  • All used preservatives are FDA-listed for highest product safety in FDA-supervised processes.

  • Temperature curves of CPY20 pH buffers are pre-programmed in all Liquiline series transmitters to simplify sensor calibration and adjustment, reducing your maintenance effort.

  • The easily accessible, identical certificates of all CPY20 pH buffers simplify your audit trails and improve the reliability of your SOPs.

  • Detailed, individual buffer analysis certificate available in the Download Area. Enter your lot number in the "Text Search" field and click the "Start Search" button.

Predecessor

Success stories

  • Water treatment plant in Belfort in France Water treatment plant in Belfort in France

    Drinking water analysis panel at Grand Belfort in France

    Monitoring of all relevant parameters for drinking water with the drinking water analysis panel

  • Monitoring of boiler water in cheese production with the SWAS Compact panel Monitoring of boiler water in cheese production with the SWAS Compact panel

    Boiler water monitoring made easy

    With the SWAS Compact Panel, the continuous monitoring of quality parameters such as pH and conductivity in cheese production can be automated and simplified.

  • Continuous monitoring of drinking water made easy Continuous monitoring of drinking water made easy

    The all-round carefree panel

    Water Analysis Panels make continuous monitoring of drinking water easy at the water treatment plant in Frasnacht, Switzerland.

  • real-time monitoring of critical parameters in fermentation processes real-time monitoring of critical parameters in fermentation processes

    Advanced bioprocess control

    From time consuming sample analysis to real-time monitoring of critical parameters in fermentation processes thanks to complete solutions from hardware to development and analytical services.

  • Baltic Sea water used as cooling water in the power station Baltic Sea water used as cooling water in the power station

    Cooling water directly from the Baltic Sea

    With the CUS52D, power plant operator KNG benefits from reduced maintenance costs due to reliable, stable measurement even under harsh conditions in salt water.

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