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Product support

The certified reference pH buffer solutions are available for pH 4, pH 7 and pH 10.

Support page: pH buffer solutions CPY20

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Order code CPY20
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You can find both the order code and serial number on the device’s nameplate.

Order code examples
  • TMT85-1J23115
  • FMR240-A3E1GNJAA3A
Serial number examples
  • C202DC02000
  • DB015C0108D
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Device profile

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General information

Order code

CPY20

Device type

Accessory / Consumable

Manufacturer

Endress+Hauser

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n / a

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n / a

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AA

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Downloads

A complete collection of technical documentation, certificates, operating instructions, software, and other resources related to your device.

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760 Downloads
Technical Information (TI)
Most downloaded
TI CPY20 High-precision pH buffer solutions for all industries in two quality grades
English version - 09/2025
Download
Buffer/calibration solution
Most downloaded
CPY20-C (Belgium (Dutch)) technical buffer solution pH 4,00
Dutch version - 08/2024
Download
Buffer/calibration solution
Most downloaded
CPY20-E (Germany) technical buffer solution pH 7,00
German version - 08/2024
Download
Technical Information (TI)
TI CPY20 High-precision pH buffer solutions for all industries in two quality grades
English version - 09/2025
Download
Special Documentation (SD)
Scope of services of the reference material producer D-RM-15193-01-00 List of accredited products within the flexible scope
Based on ISO17034: 2017
English version - 10/2026
Download
Special Documentation (SD)
Scope of services of calibration laboratory D-K-15193-1-00 List of accredited activities within the flexible scope of accreditation
Based on DIN 19268: 2021
English version - 10/2026
Download
Special Documentation (SD)
SD CPY20 pH buffer solution Information on handling and storage
English version - 01/2025
Download
Competence Brochure (CP)
良質な水のために 上水道、配水網、地表水、工業プラント向けの斬新なアイデア
Japanese version - 05/2025
Download
Competence Brochure (CP)
pH-Messung in Industrieprozessen Auswahl- und Engineering-Hilfe für verschiedene Industriebranchen und
Applikationen
German version - 12/2021
Download
Competence Brochure (CP)
Aus Freude an gutem Wasser Frische Ideen für Wasserwerke, Verteilernetze, Oberflächenwasser und
Industrieanlagen
German version - 07/2023
Download
Competence Brochure (CP)
pH 測定セレクションガイド 産業プロセスにおけるpH測定
Japanese version - 06/2026
Download
Competence Brochure (CP)
pH measurement in industrial processes Selection and engineering guide for different industries and
applications
English version - 12/2021
Download
Competence Brochure (CP)
For the love of quality water Fresh ideas for waterworks, distribution networks, surface waters and
industrial plants.
English version - 07/2023
Download
Buffer/calibration solution
CPY20-I (Brasilien) technical buffer solution pH 9,22
Portuguese version - 06/2024
Download
Buffer/calibration solution
CPY20-G (United Arab Emirates) technical buffer solution pH 9,00
06/2024
Download
Buffer/calibration solution
CPY20-G (European Union) technical buffer solution pH 9,00
English version - 06/2024
Download
Buffer/calibration solution
CPY20-I (Croatia) technical buffer solution pH 9,22
Croatian version - 06/2024
Download
Buffer/calibration solution
CPY20-I (Czech Republic) technical buffer solution pH 9,22
Czech version - 06/2024
Download
Buffer/calibration solution
CPY20-M (Saudi Arabien) technical buffer solution pH 12,00
08/2024
Download
Buffer/calibration solution
CPY20-M (South Korea) technical buffer solution pH 12,00
Korean version - 08/2024
Download
Buffer/calibration solution
CPY20-M (Japan) technical buffer solution pH 12,00
Japanese version - 08/2024
Download
Buffer/calibration solution
CPY20-I (Japan) technical buffer solution pH 9,22
Japanese version - 06/2024
Download
Buffer/calibration solution
CPY20-A (Austria) technical buffer solution pH 2,00
German version - 08/2024
Download
Buffer/calibration solution
CPY20-E (Brasilien) technical buffer solution pH 7,00
Portuguese version - 08/2024
Download
Buffer/calibration solution
CPY20-A (Denmark) technical buffer solution pH 2,00
Danish version - 08/2024
Download
Buffer/calibration solution
CPY20-A (Portugal) technical buffer solution pH 2,00
Portuguese version - 08/2024
Download
Buffer/calibration solution
CPY20-C (Brasilien) technical buffer solution pH 4,00
Portuguese version - 08/2026
Download

Drivers & firmware

Available firmware and device drivers (including DTM, EDS and EDD) associated with your product configuration and software environment.

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0 Downloads

Support articles

A library of troubleshooting articles and technical guidance to support diagnosis, maintenance, and issue resolution throughout the product lifecycle written by Endress+Hauser experts. Access them today with a free My Endress+Hauser account.

pH -How to find the calibration (NIST) certificate for pH/ORP buffers solutions

06/03/2026
English

E+H LA - Where can the MSDS and other documents be found?

02/03/2026
English

pH - pH probe calibration. Which buffers to use?

25/07/2025
English

Buffer for pH sensor CPY20-E VOC Volatil Organic Content

06/07/2021
English

Can I use pH buffer instead of ORP buffer for calibration of ORP?

06/07/2021
English

More articles in Knowledge Base

Find all technical articles and more in Endress+Hauser Knowledge Base
Go to Knowledge Base

CAD drawings

Visualize your device in detail with interactive 3D CAD models and downloadable engineering drawings.

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Serial number or order code

You can find both the order code and serial number on the device’s nameplate.

Order code examples
  • TMT85-1J23115
  • FMR240-A3E1GNJAA3A
Serial number examples
  • C202DC02000
  • DB015C0108D
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