Endress+Hauser pH buffers CPY20

Potentiometric

pH buffer solution to calibrate all pH sensors

Accuracy 0,02 pH values according NIST/DIN

pH 2,0
pH 4,0
pH 7,0
pH 9,0
pH 9,2
pH 10,0
pH 12,0

The different buffer solutions are colored to avoid mixing of the buffers.
pH 4,0 --> red
pH 7,0 --> green
pH 9,2 --> blue

Available in different volume units:
5000ml for use in the Topcal system
1000 ml /250ml
18 ml for single use.