As a popular product, it is suitable for educational use in schools and teaching materials, as well as for general experimental research.
The color scale (discoloration chart) is placed in a plastic dispenser, and when in use, one side of the dispenser is rotated to allow the tip of the test paper to come out and only the required length to be taken out. Measurement range: 1.0 to 11.0
Measurement scale: 1.0-2.0-3.0-4.0-5.0-6.0-7.0-8.0-9.0-10.0-11.0
Quantity: 1 roll (7mm width x 5m roll, individually boxed)
