testo calibration solution with certificate in 250 ml dosing bottle

testo pH buffer solution in a practical 250 ml dosing bottle. Suitable for professional calibration and verification of pH measuring instruments. With this solution, a pH probe can be checked for proper functioning and adjusted if necessary. This product is marked with an expiry date.

• Practical dosing bottle with buffer solution.
• For professional calibration and verification of pH measuring instruments.
• For checking pH probes for proper functioning.
• Product is marked with an expiration date.