pH Buffer 4 Solution Testo 205 pH Meter

Testo pH Buffer 4.01 – Precise measurements every time

The Testo pH Buffer 4.01 is a specially developed calibration solution of 250 ml that ensures accurate and reliable pH measurements. This buffer solution has a stable pH value of 4.01 and comes with a Danish calibration certificate documenting the solution's precision in accordance with applicable standards. Ideal for regular calibration and verification of your Testo 205 pH meter.

Accurate calibration delivers trustworthy results

Correctly calibrated pH meters are essential for achieving accurate measurements. This buffer solution from Testo helps you maintain the instrument's precision over time, which is particularly important in environments where small pH deviations can have significant consequences. The stable pH value of 4.01 provides a reliable reference point, and the accompanying documentation ensures traceability within quality management systems.

Practical use in the laboratory and in the field

The buffer solution is supplied in a practical dispensing bottle that makes the calibration process straightforward and clean. The 250 ml volume is sufficient for numerous calibrations, making it an economical choice. Although the solution is specifically developed for the Testo 205 pH meter, it can also be used with other compatible pH meters, providing flexibility across your measuring equipment.

Technical specifications

The buffer solution has a precise pH value of 4.01 and is supplied in a 250 ml bottle. The product comes with a Danish calibration certificate confirming the solution's accuracy and compliance with relevant standards. This documentation is particularly valuable in environments with quality management systems or where traceability is required.

With Testo pH Buffer 4.01, you get:

• A precise buffer solution with a stable pH value of 4.01
• A Danish calibration certificate documenting quality
• Compatibility with the Testo 205 pH meter and similar instruments

You are always welcome to contact our customer service at web@hwl.dk for further information.

Frequently asked questions

How often should I calibrate my pH meter?
It is generally recommended to calibrate pH meters regularly — typically before each measurement series or at least once a week with frequent use.

Can I use this buffer solution with pH meters other than the Testo 205?
Yes, although the solution is optimised for Testo instruments, it can be used to calibrate other pH meters that accept a 4.01 pH buffer.

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